and
elements. It is important to note that the state\n * names/globs passed to ui-sref-active shadow the state provided by ui-sref.\n */\n\n/**\n * @ngdoc directive\n * @name ui.router.state.directive:ui-sref-active-eq\n *\n * @requires ui.router.state.$state\n * @requires ui.router.state.$stateParams\n * @requires $interpolate\n *\n * @restrict A\n *\n * @description\n * The same as {@link ui.router.state.directive:ui-sref-active ui-sref-active} but will only activate\n * when the exact target state used in the `ui-sref` is active; no child states.\n *\n */\n$StateRefActiveDirective.$inject = ['$state', '$stateParams', '$interpolate'];\nfunction $StateRefActiveDirective($state, $stateParams, $interpolate) {\n return {\n restrict: \"A\",\n controller: ['$scope', '$element', '$attrs', '$timeout', function ($scope, $element, $attrs, $timeout) {\n var states = [], activeClasses = {}, activeEqClass, uiSrefActive;\n\n // There probably isn't much point in $observing this\n // uiSrefActive and uiSrefActiveEq share the same directive object with some\n // slight difference in logic routing\n activeEqClass = $interpolate($attrs.uiSrefActiveEq || '', false)($scope);\n\n try {\n uiSrefActive = $scope.$eval($attrs.uiSrefActive);\n } catch (e) {\n // Do nothing. uiSrefActive is not a valid expression.\n // Fall back to using $interpolate below\n }\n uiSrefActive = uiSrefActive || $interpolate($attrs.uiSrefActive || '', false)($scope);\n if (isObject(uiSrefActive)) {\n forEach(uiSrefActive, function(stateOrName, activeClass) {\n if (isString(stateOrName)) {\n var ref = parseStateRef(stateOrName, $state.current.name);\n addState(ref.state, $scope.$eval(ref.paramExpr), activeClass);\n }\n });\n }\n\n // Allow uiSref to communicate with uiSrefActive[Equals]\n this.$$addStateInfo = function (newState, newParams) {\n // we already got an explicit state provided by ui-sref-active, so we\n // shadow the one that comes from ui-sref\n if (isObject(uiSrefActive) && states.length > 0) {\n return;\n }\n addState(newState, newParams, uiSrefActive);\n update();\n };\n\n $scope.$on('$stateChangeSuccess', update);\n\n function addState(stateName, stateParams, activeClass) {\n var state = $state.get(stateName, stateContext($element));\n var stateHash = createStateHash(stateName, stateParams);\n\n states.push({\n state: state || { name: stateName },\n params: stateParams,\n hash: stateHash\n });\n\n activeClasses[stateHash] = activeClass;\n }\n\n /**\n * @param {string} state\n * @param {Object|string} [params]\n * @return {string}\n */\n function createStateHash(state, params) {\n if (!isString(state)) {\n throw new Error('state should be a string');\n }\n if (isObject(params)) {\n return state + toJson(params);\n }\n params = $scope.$eval(params);\n if (isObject(params)) {\n return state + toJson(params);\n }\n return state;\n }\n\n // Update route state\n function update() {\n for (var i = 0; i < states.length; i++) {\n if (anyMatch(states[i].state, states[i].params)) {\n addClass($element, activeClasses[states[i].hash]);\n } else {\n removeClass($element, activeClasses[states[i].hash]);\n }\n\n if (exactMatch(states[i].state, states[i].params)) {\n addClass($element, activeEqClass);\n } else {\n removeClass($element, activeEqClass);\n }\n }\n }\n\n function addClass(el, className) { $timeout(function () { el.addClass(className); }); }\n function removeClass(el, className) { el.removeClass(className); }\n function anyMatch(state, params) { return $state.includes(state.name, params); }\n function exactMatch(state, params) { return $state.is(state.name, params); }\n\n update();\n }]\n };\n}\n\nangular.module('ui.router.state')\n .directive('uiSref', $StateRefDirective)\n .directive('uiSrefActive', $StateRefActiveDirective)\n .directive('uiSrefActiveEq', $StateRefActiveDirective)\n .directive('uiState', $StateRefDynamicDirective);\n\n/**\n * @ngdoc filter\n * @name ui.router.state.filter:isState\n *\n * @requires ui.router.state.$state\n *\n * @description\n * Translates to {@link ui.router.state.$state#methods_is $state.is(\"stateName\")}.\n */\n$IsStateFilter.$inject = ['$state'];\nfunction $IsStateFilter($state) {\n var isFilter = function (state, params) {\n return $state.is(state, params);\n };\n isFilter.$stateful = true;\n return isFilter;\n}\n\n/**\n * @ngdoc filter\n * @name ui.router.state.filter:includedByState\n *\n * @requires ui.router.state.$state\n *\n * @description\n * Translates to {@link ui.router.state.$state#methods_includes $state.includes('fullOrPartialStateName')}.\n */\n$IncludedByStateFilter.$inject = ['$state'];\nfunction $IncludedByStateFilter($state) {\n var includesFilter = function (state, params, options) {\n return $state.includes(state, params, options);\n };\n includesFilter.$stateful = true;\n return includesFilter;\n}\n\nangular.module('ui.router.state')\n .filter('isState', $IsStateFilter)\n .filter('includedByState', $IncludedByStateFilter);\n})(window, window.angular);\n/*\n * angular-ui-bootstrap\n * http://angular-ui.github.io/bootstrap/\n\n * Version: 2.5.0 - 2017-01-28\n * License: MIT\n */angular.module(\"ui.bootstrap\", [\"ui.bootstrap.tpls\", \"ui.bootstrap.collapse\",\"ui.bootstrap.tabindex\",\"ui.bootstrap.accordion\",\"ui.bootstrap.alert\",\"ui.bootstrap.buttons\",\"ui.bootstrap.carousel\",\"ui.bootstrap.dateparser\",\"ui.bootstrap.isClass\",\"ui.bootstrap.datepicker\",\"ui.bootstrap.position\",\"ui.bootstrap.datepickerPopup\",\"ui.bootstrap.debounce\",\"ui.bootstrap.multiMap\",\"ui.bootstrap.dropdown\",\"ui.bootstrap.stackedMap\",\"ui.bootstrap.modal\",\"ui.bootstrap.paging\",\"ui.bootstrap.pager\",\"ui.bootstrap.pagination\",\"ui.bootstrap.tooltip\",\"ui.bootstrap.popover\",\"ui.bootstrap.progressbar\",\"ui.bootstrap.rating\",\"ui.bootstrap.tabs\",\"ui.bootstrap.timepicker\",\"ui.bootstrap.typeahead\"]);\nangular.module(\"ui.bootstrap.tpls\", [\"uib/template/accordion/accordion-group.html\",\"uib/template/accordion/accordion.html\",\"uib/template/alert/alert.html\",\"uib/template/carousel/carousel.html\",\"uib/template/carousel/slide.html\",\"uib/template/datepicker/datepicker.html\",\"uib/template/datepicker/day.html\",\"uib/template/datepicker/month.html\",\"uib/template/datepicker/year.html\",\"uib/template/datepickerPopup/popup.html\",\"uib/template/modal/window.html\",\"uib/template/pager/pager.html\",\"uib/template/pagination/pagination.html\",\"uib/template/tooltip/tooltip-html-popup.html\",\"uib/template/tooltip/tooltip-popup.html\",\"uib/template/tooltip/tooltip-template-popup.html\",\"uib/template/popover/popover-html.html\",\"uib/template/popover/popover-template.html\",\"uib/template/popover/popover.html\",\"uib/template/progressbar/bar.html\",\"uib/template/progressbar/progress.html\",\"uib/template/progressbar/progressbar.html\",\"uib/template/rating/rating.html\",\"uib/template/tabs/tab.html\",\"uib/template/tabs/tabset.html\",\"uib/template/timepicker/timepicker.html\",\"uib/template/typeahead/typeahead-match.html\",\"uib/template/typeahead/typeahead-popup.html\"]);\nangular.module('ui.bootstrap.collapse', [])\n\n .directive('uibCollapse', ['$animate', '$q', '$parse', '$injector', function($animate, $q, $parse, $injector) {\n var $animateCss = $injector.has('$animateCss') ? $injector.get('$animateCss') : null;\n return {\n link: function(scope, element, attrs) {\n var expandingExpr = $parse(attrs.expanding),\n expandedExpr = $parse(attrs.expanded),\n collapsingExpr = $parse(attrs.collapsing),\n collapsedExpr = $parse(attrs.collapsed),\n horizontal = false,\n css = {},\n cssTo = {};\n\n init();\n\n function init() {\n horizontal = !!('horizontal' in attrs);\n if (horizontal) {\n css = {\n width: ''\n };\n cssTo = {width: '0'};\n } else {\n css = {\n height: ''\n };\n cssTo = {height: '0'};\n }\n if (!scope.$eval(attrs.uibCollapse)) {\n element.addClass('in')\n .addClass('collapse')\n .attr('aria-expanded', true)\n .attr('aria-hidden', false)\n .css(css);\n }\n }\n\n function getScrollFromElement(element) {\n if (horizontal) {\n return {width: element.scrollWidth + 'px'};\n }\n return {height: element.scrollHeight + 'px'};\n }\n\n function expand() {\n if (element.hasClass('collapse') && element.hasClass('in')) {\n return;\n }\n\n $q.resolve(expandingExpr(scope))\n .then(function() {\n element.removeClass('collapse')\n .addClass('collapsing')\n .attr('aria-expanded', true)\n .attr('aria-hidden', false);\n\n if ($animateCss) {\n $animateCss(element, {\n addClass: 'in',\n easing: 'ease',\n css: {\n overflow: 'hidden'\n },\n to: getScrollFromElement(element[0])\n }).start()['finally'](expandDone);\n } else {\n $animate.addClass(element, 'in', {\n css: {\n overflow: 'hidden'\n },\n to: getScrollFromElement(element[0])\n }).then(expandDone);\n }\n }, angular.noop);\n }\n\n function expandDone() {\n element.removeClass('collapsing')\n .addClass('collapse')\n .css(css);\n expandedExpr(scope);\n }\n\n function collapse() {\n if (!element.hasClass('collapse') && !element.hasClass('in')) {\n return collapseDone();\n }\n\n $q.resolve(collapsingExpr(scope))\n .then(function() {\n element\n // IMPORTANT: The width must be set before adding \"collapsing\" class.\n // Otherwise, the browser attempts to animate from width 0 (in\n // collapsing class) to the given width here.\n .css(getScrollFromElement(element[0]))\n // initially all panel collapse have the collapse class, this removal\n // prevents the animation from jumping to collapsed state\n .removeClass('collapse')\n .addClass('collapsing')\n .attr('aria-expanded', false)\n .attr('aria-hidden', true);\n\n if ($animateCss) {\n $animateCss(element, {\n removeClass: 'in',\n to: cssTo\n }).start()['finally'](collapseDone);\n } else {\n $animate.removeClass(element, 'in', {\n to: cssTo\n }).then(collapseDone);\n }\n }, angular.noop);\n }\n\n function collapseDone() {\n element.css(cssTo); // Required so that collapse works when animation is disabled\n element.removeClass('collapsing')\n .addClass('collapse');\n collapsedExpr(scope);\n }\n\n scope.$watch(attrs.uibCollapse, function(shouldCollapse) {\n if (shouldCollapse) {\n collapse();\n } else {\n expand();\n }\n });\n }\n };\n }]);\n\nangular.module('ui.bootstrap.tabindex', [])\n\n.directive('uibTabindexToggle', function() {\n return {\n restrict: 'A',\n link: function(scope, elem, attrs) {\n attrs.$observe('disabled', function(disabled) {\n attrs.$set('tabindex', disabled ? -1 : null);\n });\n }\n };\n});\n\nangular.module('ui.bootstrap.accordion', ['ui.bootstrap.collapse', 'ui.bootstrap.tabindex'])\n\n.constant('uibAccordionConfig', {\n closeOthers: true\n})\n\n.controller('UibAccordionController', ['$scope', '$attrs', 'uibAccordionConfig', function($scope, $attrs, accordionConfig) {\n // This array keeps track of the accordion groups\n this.groups = [];\n\n // Ensure that all the groups in this accordion are closed, unless close-others explicitly says not to\n this.closeOthers = function(openGroup) {\n var closeOthers = angular.isDefined($attrs.closeOthers) ?\n $scope.$eval($attrs.closeOthers) : accordionConfig.closeOthers;\n if (closeOthers) {\n angular.forEach(this.groups, function(group) {\n if (group !== openGroup) {\n group.isOpen = false;\n }\n });\n }\n };\n\n // This is called from the accordion-group directive to add itself to the accordion\n this.addGroup = function(groupScope) {\n var that = this;\n this.groups.push(groupScope);\n\n groupScope.$on('$destroy', function(event) {\n that.removeGroup(groupScope);\n });\n };\n\n // This is called from the accordion-group directive when to remove itself\n this.removeGroup = function(group) {\n var index = this.groups.indexOf(group);\n if (index !== -1) {\n this.groups.splice(index, 1);\n }\n };\n}])\n\n// The accordion directive simply sets up the directive controller\n// and adds an accordion CSS class to itself element.\n.directive('uibAccordion', function() {\n return {\n controller: 'UibAccordionController',\n controllerAs: 'accordion',\n transclude: true,\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/accordion/accordion.html';\n }\n };\n})\n\n// The accordion-group directive indicates a block of html that will expand and collapse in an accordion\n.directive('uibAccordionGroup', function() {\n return {\n require: '^uibAccordion', // We need this directive to be inside an accordion\n transclude: true, // It transcludes the contents of the directive into the template\n restrict: 'A',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/accordion/accordion-group.html';\n },\n scope: {\n heading: '@', // Interpolate the heading attribute onto this scope\n panelClass: '@?', // Ditto with panelClass\n isOpen: '=?',\n isDisabled: '=?'\n },\n controller: function() {\n this.setHeading = function(element) {\n this.heading = element;\n };\n },\n link: function(scope, element, attrs, accordionCtrl) {\n element.addClass('panel');\n accordionCtrl.addGroup(scope);\n\n scope.openClass = attrs.openClass || 'panel-open';\n scope.panelClass = attrs.panelClass || 'panel-default';\n scope.$watch('isOpen', function(value) {\n element.toggleClass(scope.openClass, !!value);\n if (value) {\n accordionCtrl.closeOthers(scope);\n }\n });\n\n scope.toggleOpen = function($event) {\n if (!scope.isDisabled) {\n if (!$event || $event.which === 32) {\n scope.isOpen = !scope.isOpen;\n }\n }\n };\n\n var id = 'accordiongroup-' + scope.$id + '-' + Math.floor(Math.random() * 10000);\n scope.headingId = id + '-tab';\n scope.panelId = id + '-panel';\n }\n };\n})\n\n// Use accordion-heading below an accordion-group to provide a heading containing HTML\n.directive('uibAccordionHeading', function() {\n return {\n transclude: true, // Grab the contents to be used as the heading\n template: '', // In effect remove this element!\n replace: true,\n require: '^uibAccordionGroup',\n link: function(scope, element, attrs, accordionGroupCtrl, transclude) {\n // Pass the heading to the accordion-group controller\n // so that it can be transcluded into the right place in the template\n // [The second parameter to transclude causes the elements to be cloned so that they work in ng-repeat]\n accordionGroupCtrl.setHeading(transclude(scope, angular.noop));\n }\n };\n})\n\n// Use in the accordion-group template to indicate where you want the heading to be transcluded\n// You must provide the property on the accordion-group controller that will hold the transcluded element\n.directive('uibAccordionTransclude', function() {\n return {\n require: '^uibAccordionGroup',\n link: function(scope, element, attrs, controller) {\n scope.$watch(function() { return controller[attrs.uibAccordionTransclude]; }, function(heading) {\n if (heading) {\n var elem = angular.element(element[0].querySelector(getHeaderSelectors()));\n elem.html('');\n elem.append(heading);\n }\n });\n }\n };\n\n function getHeaderSelectors() {\n return 'uib-accordion-header,' +\n 'data-uib-accordion-header,' +\n 'x-uib-accordion-header,' +\n 'uib\\\\:accordion-header,' +\n '[uib-accordion-header],' +\n '[data-uib-accordion-header],' +\n '[x-uib-accordion-header]';\n }\n});\n\nangular.module('ui.bootstrap.alert', [])\n\n.controller('UibAlertController', ['$scope', '$element', '$attrs', '$interpolate', '$timeout', function($scope, $element, $attrs, $interpolate, $timeout) {\n $scope.closeable = !!$attrs.close;\n $element.addClass('alert');\n $attrs.$set('role', 'alert');\n if ($scope.closeable) {\n $element.addClass('alert-dismissible');\n }\n\n var dismissOnTimeout = angular.isDefined($attrs.dismissOnTimeout) ?\n $interpolate($attrs.dismissOnTimeout)($scope.$parent) : null;\n\n if (dismissOnTimeout) {\n $timeout(function() {\n $scope.close();\n }, parseInt(dismissOnTimeout, 10));\n }\n}])\n\n.directive('uibAlert', function() {\n return {\n controller: 'UibAlertController',\n controllerAs: 'alert',\n restrict: 'A',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/alert/alert.html';\n },\n transclude: true,\n scope: {\n close: '&'\n }\n };\n});\n\nangular.module('ui.bootstrap.buttons', [])\n\n.constant('uibButtonConfig', {\n activeClass: 'active',\n toggleEvent: 'click'\n})\n\n.controller('UibButtonsController', ['uibButtonConfig', function(buttonConfig) {\n this.activeClass = buttonConfig.activeClass || 'active';\n this.toggleEvent = buttonConfig.toggleEvent || 'click';\n}])\n\n.directive('uibBtnRadio', ['$parse', function($parse) {\n return {\n require: ['uibBtnRadio', 'ngModel'],\n controller: 'UibButtonsController',\n controllerAs: 'buttons',\n link: function(scope, element, attrs, ctrls) {\n var buttonsCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n var uncheckableExpr = $parse(attrs.uibUncheckable);\n\n element.find('input').css({display: 'none'});\n\n //model -> UI\n ngModelCtrl.$render = function() {\n element.toggleClass(buttonsCtrl.activeClass, angular.equals(ngModelCtrl.$modelValue, scope.$eval(attrs.uibBtnRadio)));\n };\n\n //ui->model\n element.on(buttonsCtrl.toggleEvent, function() {\n if (attrs.disabled) {\n return;\n }\n\n var isActive = element.hasClass(buttonsCtrl.activeClass);\n\n if (!isActive || angular.isDefined(attrs.uncheckable)) {\n scope.$apply(function() {\n ngModelCtrl.$setViewValue(isActive ? null : scope.$eval(attrs.uibBtnRadio));\n ngModelCtrl.$render();\n });\n }\n });\n\n if (attrs.uibUncheckable) {\n scope.$watch(uncheckableExpr, function(uncheckable) {\n attrs.$set('uncheckable', uncheckable ? '' : undefined);\n });\n }\n }\n };\n}])\n\n.directive('uibBtnCheckbox', function() {\n return {\n require: ['uibBtnCheckbox', 'ngModel'],\n controller: 'UibButtonsController',\n controllerAs: 'button',\n link: function(scope, element, attrs, ctrls) {\n var buttonsCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n\n element.find('input').css({display: 'none'});\n\n function getTrueValue() {\n return getCheckboxValue(attrs.btnCheckboxTrue, true);\n }\n\n function getFalseValue() {\n return getCheckboxValue(attrs.btnCheckboxFalse, false);\n }\n\n function getCheckboxValue(attribute, defaultValue) {\n return angular.isDefined(attribute) ? scope.$eval(attribute) : defaultValue;\n }\n\n //model -> UI\n ngModelCtrl.$render = function() {\n element.toggleClass(buttonsCtrl.activeClass, angular.equals(ngModelCtrl.$modelValue, getTrueValue()));\n };\n\n //ui->model\n element.on(buttonsCtrl.toggleEvent, function() {\n if (attrs.disabled) {\n return;\n }\n\n scope.$apply(function() {\n ngModelCtrl.$setViewValue(element.hasClass(buttonsCtrl.activeClass) ? getFalseValue() : getTrueValue());\n ngModelCtrl.$render();\n });\n });\n }\n };\n});\n\nangular.module('ui.bootstrap.carousel', [])\n\n.controller('UibCarouselController', ['$scope', '$element', '$interval', '$timeout', '$animate', function($scope, $element, $interval, $timeout, $animate) {\n var self = this,\n slides = self.slides = $scope.slides = [],\n SLIDE_DIRECTION = 'uib-slideDirection',\n currentIndex = $scope.active,\n currentInterval, isPlaying;\n\n var destroyed = false;\n $element.addClass('carousel');\n\n self.addSlide = function(slide, element) {\n slides.push({\n slide: slide,\n element: element\n });\n slides.sort(function(a, b) {\n return +a.slide.index - +b.slide.index;\n });\n //if this is the first slide or the slide is set to active, select it\n if (slide.index === $scope.active || slides.length === 1 && !angular.isNumber($scope.active)) {\n if ($scope.$currentTransition) {\n $scope.$currentTransition = null;\n }\n\n currentIndex = slide.index;\n $scope.active = slide.index;\n setActive(currentIndex);\n self.select(slides[findSlideIndex(slide)]);\n if (slides.length === 1) {\n $scope.play();\n }\n }\n };\n\n self.getCurrentIndex = function() {\n for (var i = 0; i < slides.length; i++) {\n if (slides[i].slide.index === currentIndex) {\n return i;\n }\n }\n };\n\n self.next = $scope.next = function() {\n var newIndex = (self.getCurrentIndex() + 1) % slides.length;\n\n if (newIndex === 0 && $scope.noWrap()) {\n $scope.pause();\n return;\n }\n\n return self.select(slides[newIndex], 'next');\n };\n\n self.prev = $scope.prev = function() {\n var newIndex = self.getCurrentIndex() - 1 < 0 ? slides.length - 1 : self.getCurrentIndex() - 1;\n\n if ($scope.noWrap() && newIndex === slides.length - 1) {\n $scope.pause();\n return;\n }\n\n return self.select(slides[newIndex], 'prev');\n };\n\n self.removeSlide = function(slide) {\n var index = findSlideIndex(slide);\n\n //get the index of the slide inside the carousel\n slides.splice(index, 1);\n if (slides.length > 0 && currentIndex === index) {\n if (index >= slides.length) {\n currentIndex = slides.length - 1;\n $scope.active = currentIndex;\n setActive(currentIndex);\n self.select(slides[slides.length - 1]);\n } else {\n currentIndex = index;\n $scope.active = currentIndex;\n setActive(currentIndex);\n self.select(slides[index]);\n }\n } else if (currentIndex > index) {\n currentIndex--;\n $scope.active = currentIndex;\n }\n\n //clean the active value when no more slide\n if (slides.length === 0) {\n currentIndex = null;\n $scope.active = null;\n }\n };\n\n /* direction: \"prev\" or \"next\" */\n self.select = $scope.select = function(nextSlide, direction) {\n var nextIndex = findSlideIndex(nextSlide.slide);\n //Decide direction if it's not given\n if (direction === undefined) {\n direction = nextIndex > self.getCurrentIndex() ? 'next' : 'prev';\n }\n //Prevent this user-triggered transition from occurring if there is already one in progress\n if (nextSlide.slide.index !== currentIndex &&\n !$scope.$currentTransition) {\n goNext(nextSlide.slide, nextIndex, direction);\n }\n };\n\n /* Allow outside people to call indexOf on slides array */\n $scope.indexOfSlide = function(slide) {\n return +slide.slide.index;\n };\n\n $scope.isActive = function(slide) {\n return $scope.active === slide.slide.index;\n };\n\n $scope.isPrevDisabled = function() {\n return $scope.active === 0 && $scope.noWrap();\n };\n\n $scope.isNextDisabled = function() {\n return $scope.active === slides.length - 1 && $scope.noWrap();\n };\n\n $scope.pause = function() {\n if (!$scope.noPause) {\n isPlaying = false;\n resetTimer();\n }\n };\n\n $scope.play = function() {\n if (!isPlaying) {\n isPlaying = true;\n restartTimer();\n }\n };\n\n $element.on('mouseenter', $scope.pause);\n $element.on('mouseleave', $scope.play);\n\n $scope.$on('$destroy', function() {\n destroyed = true;\n resetTimer();\n });\n\n $scope.$watch('noTransition', function(noTransition) {\n $animate.enabled($element, !noTransition);\n });\n\n $scope.$watch('interval', restartTimer);\n\n $scope.$watchCollection('slides', resetTransition);\n\n $scope.$watch('active', function(index) {\n if (angular.isNumber(index) && currentIndex !== index) {\n for (var i = 0; i < slides.length; i++) {\n if (slides[i].slide.index === index) {\n index = i;\n break;\n }\n }\n\n var slide = slides[index];\n if (slide) {\n setActive(index);\n self.select(slides[index]);\n currentIndex = index;\n }\n }\n });\n\n function getSlideByIndex(index) {\n for (var i = 0, l = slides.length; i < l; ++i) {\n if (slides[i].index === index) {\n return slides[i];\n }\n }\n }\n\n function setActive(index) {\n for (var i = 0; i < slides.length; i++) {\n slides[i].slide.active = i === index;\n }\n }\n\n function goNext(slide, index, direction) {\n if (destroyed) {\n return;\n }\n\n angular.extend(slide, {direction: direction});\n angular.extend(slides[currentIndex].slide || {}, {direction: direction});\n if ($animate.enabled($element) && !$scope.$currentTransition &&\n slides[index].element && self.slides.length > 1) {\n slides[index].element.data(SLIDE_DIRECTION, slide.direction);\n var currentIdx = self.getCurrentIndex();\n\n if (angular.isNumber(currentIdx) && slides[currentIdx].element) {\n slides[currentIdx].element.data(SLIDE_DIRECTION, slide.direction);\n }\n\n $scope.$currentTransition = true;\n $animate.on('addClass', slides[index].element, function(element, phase) {\n if (phase === 'close') {\n $scope.$currentTransition = null;\n $animate.off('addClass', element);\n }\n });\n }\n\n $scope.active = slide.index;\n currentIndex = slide.index;\n setActive(index);\n\n //every time you change slides, reset the timer\n restartTimer();\n }\n\n function findSlideIndex(slide) {\n for (var i = 0; i < slides.length; i++) {\n if (slides[i].slide === slide) {\n return i;\n }\n }\n }\n\n function resetTimer() {\n if (currentInterval) {\n $interval.cancel(currentInterval);\n currentInterval = null;\n }\n }\n\n function resetTransition(slides) {\n if (!slides.length) {\n $scope.$currentTransition = null;\n }\n }\n\n function restartTimer() {\n resetTimer();\n var interval = +$scope.interval;\n if (!isNaN(interval) && interval > 0) {\n currentInterval = $interval(timerFn, interval);\n }\n }\n\n function timerFn() {\n var interval = +$scope.interval;\n if (isPlaying && !isNaN(interval) && interval > 0 && slides.length) {\n $scope.next();\n } else {\n $scope.pause();\n }\n }\n}])\n\n.directive('uibCarousel', function() {\n return {\n transclude: true,\n controller: 'UibCarouselController',\n controllerAs: 'carousel',\n restrict: 'A',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/carousel/carousel.html';\n },\n scope: {\n active: '=',\n interval: '=',\n noTransition: '=',\n noPause: '=',\n noWrap: '&'\n }\n };\n})\n\n.directive('uibSlide', ['$animate', function($animate) {\n return {\n require: '^uibCarousel',\n restrict: 'A',\n transclude: true,\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/carousel/slide.html';\n },\n scope: {\n actual: '=?',\n index: '=?'\n },\n link: function (scope, element, attrs, carouselCtrl) {\n element.addClass('item');\n carouselCtrl.addSlide(scope, element);\n //when the scope is destroyed then remove the slide from the current slides array\n scope.$on('$destroy', function() {\n carouselCtrl.removeSlide(scope);\n });\n\n scope.$watch('active', function(active) {\n $animate[active ? 'addClass' : 'removeClass'](element, 'active');\n });\n }\n };\n}])\n\n.animation('.item', ['$animateCss',\nfunction($animateCss) {\n var SLIDE_DIRECTION = 'uib-slideDirection';\n\n function removeClass(element, className, callback) {\n element.removeClass(className);\n if (callback) {\n callback();\n }\n }\n\n return {\n beforeAddClass: function(element, className, done) {\n if (className === 'active') {\n var stopped = false;\n var direction = element.data(SLIDE_DIRECTION);\n var directionClass = direction === 'next' ? 'left' : 'right';\n var removeClassFn = removeClass.bind(this, element,\n directionClass + ' ' + direction, done);\n element.addClass(direction);\n\n $animateCss(element, {addClass: directionClass})\n .start()\n .done(removeClassFn);\n\n return function() {\n stopped = true;\n };\n }\n done();\n },\n beforeRemoveClass: function (element, className, done) {\n if (className === 'active') {\n var stopped = false;\n var direction = element.data(SLIDE_DIRECTION);\n var directionClass = direction === 'next' ? 'left' : 'right';\n var removeClassFn = removeClass.bind(this, element, directionClass, done);\n\n $animateCss(element, {addClass: directionClass})\n .start()\n .done(removeClassFn);\n\n return function() {\n stopped = true;\n };\n }\n done();\n }\n };\n}]);\n\nangular.module('ui.bootstrap.dateparser', [])\n\n.service('uibDateParser', ['$log', '$locale', 'dateFilter', 'orderByFilter', 'filterFilter', function($log, $locale, dateFilter, orderByFilter, filterFilter) {\n // Pulled from https://github.com/mbostock/d3/blob/master/src/format/requote.js\n var SPECIAL_CHARACTERS_REGEXP = /[\\\\\\^\\$\\*\\+\\?\\|\\[\\]\\(\\)\\.\\{\\}]/g;\n\n var localeId;\n var formatCodeToRegex;\n\n this.init = function() {\n localeId = $locale.id;\n\n this.parsers = {};\n this.formatters = {};\n\n formatCodeToRegex = [\n {\n key: 'yyyy',\n regex: '\\\\d{4}',\n apply: function(value) { this.year = +value; },\n formatter: function(date) {\n var _date = new Date();\n _date.setFullYear(Math.abs(date.getFullYear()));\n return dateFilter(_date, 'yyyy');\n }\n },\n {\n key: 'yy',\n regex: '\\\\d{2}',\n apply: function(value) { value = +value; this.year = value < 69 ? value + 2000 : value + 1900; },\n formatter: function(date) {\n var _date = new Date();\n _date.setFullYear(Math.abs(date.getFullYear()));\n return dateFilter(_date, 'yy');\n }\n },\n {\n key: 'y',\n regex: '\\\\d{1,4}',\n apply: function(value) { this.year = +value; },\n formatter: function(date) {\n var _date = new Date();\n _date.setFullYear(Math.abs(date.getFullYear()));\n return dateFilter(_date, 'y');\n }\n },\n {\n key: 'M!',\n regex: '0?[1-9]|1[0-2]',\n apply: function(value) { this.month = value - 1; },\n formatter: function(date) {\n var value = date.getMonth();\n if (/^[0-9]$/.test(value)) {\n return dateFilter(date, 'MM');\n }\n\n return dateFilter(date, 'M');\n }\n },\n {\n key: 'MMMM',\n regex: $locale.DATETIME_FORMATS.MONTH.join('|'),\n apply: function(value) { this.month = $locale.DATETIME_FORMATS.MONTH.indexOf(value); },\n formatter: function(date) { return dateFilter(date, 'MMMM'); }\n },\n {\n key: 'MMM',\n regex: $locale.DATETIME_FORMATS.SHORTMONTH.join('|'),\n apply: function(value) { this.month = $locale.DATETIME_FORMATS.SHORTMONTH.indexOf(value); },\n formatter: function(date) { return dateFilter(date, 'MMM'); }\n },\n {\n key: 'MM',\n regex: '0[1-9]|1[0-2]',\n apply: function(value) { this.month = value - 1; },\n formatter: function(date) { return dateFilter(date, 'MM'); }\n },\n {\n key: 'M',\n regex: '[1-9]|1[0-2]',\n apply: function(value) { this.month = value - 1; },\n formatter: function(date) { return dateFilter(date, 'M'); }\n },\n {\n key: 'd!',\n regex: '[0-2]?[0-9]{1}|3[0-1]{1}',\n apply: function(value) { this.date = +value; },\n formatter: function(date) {\n var value = date.getDate();\n if (/^[1-9]$/.test(value)) {\n return dateFilter(date, 'dd');\n }\n\n return dateFilter(date, 'd');\n }\n },\n {\n key: 'dd',\n regex: '[0-2][0-9]{1}|3[0-1]{1}',\n apply: function(value) { this.date = +value; },\n formatter: function(date) { return dateFilter(date, 'dd'); }\n },\n {\n key: 'd',\n regex: '[1-2]?[0-9]{1}|3[0-1]{1}',\n apply: function(value) { this.date = +value; },\n formatter: function(date) { return dateFilter(date, 'd'); }\n },\n {\n key: 'EEEE',\n regex: $locale.DATETIME_FORMATS.DAY.join('|'),\n formatter: function(date) { return dateFilter(date, 'EEEE'); }\n },\n {\n key: 'EEE',\n regex: $locale.DATETIME_FORMATS.SHORTDAY.join('|'),\n formatter: function(date) { return dateFilter(date, 'EEE'); }\n },\n {\n key: 'HH',\n regex: '(?:0|1)[0-9]|2[0-3]',\n apply: function(value) { this.hours = +value; },\n formatter: function(date) { return dateFilter(date, 'HH'); }\n },\n {\n key: 'hh',\n regex: '0[0-9]|1[0-2]',\n apply: function(value) { this.hours = +value; },\n formatter: function(date) { return dateFilter(date, 'hh'); }\n },\n {\n key: 'H',\n regex: '1?[0-9]|2[0-3]',\n apply: function(value) { this.hours = +value; },\n formatter: function(date) { return dateFilter(date, 'H'); }\n },\n {\n key: 'h',\n regex: '[0-9]|1[0-2]',\n apply: function(value) { this.hours = +value; },\n formatter: function(date) { return dateFilter(date, 'h'); }\n },\n {\n key: 'mm',\n regex: '[0-5][0-9]',\n apply: function(value) { this.minutes = +value; },\n formatter: function(date) { return dateFilter(date, 'mm'); }\n },\n {\n key: 'm',\n regex: '[0-9]|[1-5][0-9]',\n apply: function(value) { this.minutes = +value; },\n formatter: function(date) { return dateFilter(date, 'm'); }\n },\n {\n key: 'sss',\n regex: '[0-9][0-9][0-9]',\n apply: function(value) { this.milliseconds = +value; },\n formatter: function(date) { return dateFilter(date, 'sss'); }\n },\n {\n key: 'ss',\n regex: '[0-5][0-9]',\n apply: function(value) { this.seconds = +value; },\n formatter: function(date) { return dateFilter(date, 'ss'); }\n },\n {\n key: 's',\n regex: '[0-9]|[1-5][0-9]',\n apply: function(value) { this.seconds = +value; },\n formatter: function(date) { return dateFilter(date, 's'); }\n },\n {\n key: 'a',\n regex: $locale.DATETIME_FORMATS.AMPMS.join('|'),\n apply: function(value) {\n if (this.hours === 12) {\n this.hours = 0;\n }\n\n if (value === 'PM') {\n this.hours += 12;\n }\n },\n formatter: function(date) { return dateFilter(date, 'a'); }\n },\n {\n key: 'Z',\n regex: '[+-]\\\\d{4}',\n apply: function(value) {\n var matches = value.match(/([+-])(\\d{2})(\\d{2})/),\n sign = matches[1],\n hours = matches[2],\n minutes = matches[3];\n this.hours += toInt(sign + hours);\n this.minutes += toInt(sign + minutes);\n },\n formatter: function(date) {\n return dateFilter(date, 'Z');\n }\n },\n {\n key: 'ww',\n regex: '[0-4][0-9]|5[0-3]',\n formatter: function(date) { return dateFilter(date, 'ww'); }\n },\n {\n key: 'w',\n regex: '[0-9]|[1-4][0-9]|5[0-3]',\n formatter: function(date) { return dateFilter(date, 'w'); }\n },\n {\n key: 'GGGG',\n regex: $locale.DATETIME_FORMATS.ERANAMES.join('|').replace(/\\s/g, '\\\\s'),\n formatter: function(date) { return dateFilter(date, 'GGGG'); }\n },\n {\n key: 'GGG',\n regex: $locale.DATETIME_FORMATS.ERAS.join('|'),\n formatter: function(date) { return dateFilter(date, 'GGG'); }\n },\n {\n key: 'GG',\n regex: $locale.DATETIME_FORMATS.ERAS.join('|'),\n formatter: function(date) { return dateFilter(date, 'GG'); }\n },\n {\n key: 'G',\n regex: $locale.DATETIME_FORMATS.ERAS.join('|'),\n formatter: function(date) { return dateFilter(date, 'G'); }\n }\n ];\n\n if (angular.version.major >= 1 && angular.version.minor > 4) {\n formatCodeToRegex.push({\n key: 'LLLL',\n regex: $locale.DATETIME_FORMATS.STANDALONEMONTH.join('|'),\n apply: function(value) { this.month = $locale.DATETIME_FORMATS.STANDALONEMONTH.indexOf(value); },\n formatter: function(date) { return dateFilter(date, 'LLLL'); }\n });\n }\n };\n\n this.init();\n\n function getFormatCodeToRegex(key) {\n return filterFilter(formatCodeToRegex, {key: key}, true)[0];\n }\n\n this.getParser = function (key) {\n var f = getFormatCodeToRegex(key);\n return f && f.apply || null;\n };\n\n this.overrideParser = function (key, parser) {\n var f = getFormatCodeToRegex(key);\n if (f && angular.isFunction(parser)) {\n this.parsers = {};\n f.apply = parser;\n }\n }.bind(this);\n\n function createParser(format) {\n var map = [], regex = format.split('');\n\n // check for literal values\n var quoteIndex = format.indexOf('\\'');\n if (quoteIndex > -1) {\n var inLiteral = false;\n format = format.split('');\n for (var i = quoteIndex; i < format.length; i++) {\n if (inLiteral) {\n if (format[i] === '\\'') {\n if (i + 1 < format.length && format[i+1] === '\\'') { // escaped single quote\n format[i+1] = '$';\n regex[i+1] = '';\n } else { // end of literal\n regex[i] = '';\n inLiteral = false;\n }\n }\n format[i] = '$';\n } else {\n if (format[i] === '\\'') { // start of literal\n format[i] = '$';\n regex[i] = '';\n inLiteral = true;\n }\n }\n }\n\n format = format.join('');\n }\n\n angular.forEach(formatCodeToRegex, function(data) {\n var index = format.indexOf(data.key);\n\n if (index > -1) {\n format = format.split('');\n\n regex[index] = '(' + data.regex + ')';\n format[index] = '$'; // Custom symbol to define consumed part of format\n for (var i = index + 1, n = index + data.key.length; i < n; i++) {\n regex[i] = '';\n format[i] = '$';\n }\n format = format.join('');\n\n map.push({\n index: index,\n key: data.key,\n apply: data.apply,\n matcher: data.regex\n });\n }\n });\n\n return {\n regex: new RegExp('^' + regex.join('') + '$'),\n map: orderByFilter(map, 'index')\n };\n }\n\n function createFormatter(format) {\n var formatters = [];\n var i = 0;\n var formatter, literalIdx;\n while (i < format.length) {\n if (angular.isNumber(literalIdx)) {\n if (format.charAt(i) === '\\'') {\n if (i + 1 >= format.length || format.charAt(i + 1) !== '\\'') {\n formatters.push(constructLiteralFormatter(format, literalIdx, i));\n literalIdx = null;\n }\n } else if (i === format.length) {\n while (literalIdx < format.length) {\n formatter = constructFormatterFromIdx(format, literalIdx);\n formatters.push(formatter);\n literalIdx = formatter.endIdx;\n }\n }\n\n i++;\n continue;\n }\n\n if (format.charAt(i) === '\\'') {\n literalIdx = i;\n i++;\n continue;\n }\n\n formatter = constructFormatterFromIdx(format, i);\n\n formatters.push(formatter.parser);\n i = formatter.endIdx;\n }\n\n return formatters;\n }\n\n function constructLiteralFormatter(format, literalIdx, endIdx) {\n return function() {\n return format.substr(literalIdx + 1, endIdx - literalIdx - 1);\n };\n }\n\n function constructFormatterFromIdx(format, i) {\n var currentPosStr = format.substr(i);\n for (var j = 0; j < formatCodeToRegex.length; j++) {\n if (new RegExp('^' + formatCodeToRegex[j].key).test(currentPosStr)) {\n var data = formatCodeToRegex[j];\n return {\n endIdx: i + data.key.length,\n parser: data.formatter\n };\n }\n }\n\n return {\n endIdx: i + 1,\n parser: function() {\n return currentPosStr.charAt(0);\n }\n };\n }\n\n this.filter = function(date, format) {\n if (!angular.isDate(date) || isNaN(date) || !format) {\n return '';\n }\n\n format = $locale.DATETIME_FORMATS[format] || format;\n\n if ($locale.id !== localeId) {\n this.init();\n }\n\n if (!this.formatters[format]) {\n this.formatters[format] = createFormatter(format);\n }\n\n var formatters = this.formatters[format];\n\n return formatters.reduce(function(str, formatter) {\n return str + formatter(date);\n }, '');\n };\n\n this.parse = function(input, format, baseDate) {\n if (!angular.isString(input) || !format) {\n return input;\n }\n\n format = $locale.DATETIME_FORMATS[format] || format;\n format = format.replace(SPECIAL_CHARACTERS_REGEXP, '\\\\$&');\n\n if ($locale.id !== localeId) {\n this.init();\n }\n\n if (!this.parsers[format]) {\n this.parsers[format] = createParser(format, 'apply');\n }\n\n var parser = this.parsers[format],\n regex = parser.regex,\n map = parser.map,\n results = input.match(regex),\n tzOffset = false;\n if (results && results.length) {\n var fields, dt;\n if (angular.isDate(baseDate) && !isNaN(baseDate.getTime())) {\n fields = {\n year: baseDate.getFullYear(),\n month: baseDate.getMonth(),\n date: baseDate.getDate(),\n hours: baseDate.getHours(),\n minutes: baseDate.getMinutes(),\n seconds: baseDate.getSeconds(),\n milliseconds: baseDate.getMilliseconds()\n };\n } else {\n if (baseDate) {\n $log.warn('dateparser:', 'baseDate is not a valid date');\n }\n fields = { year: 1900, month: 0, date: 1, hours: 0, minutes: 0, seconds: 0, milliseconds: 0 };\n }\n\n for (var i = 1, n = results.length; i < n; i++) {\n var mapper = map[i - 1];\n if (mapper.matcher === 'Z') {\n tzOffset = true;\n }\n\n if (mapper.apply) {\n mapper.apply.call(fields, results[i]);\n }\n }\n\n var datesetter = tzOffset ? Date.prototype.setUTCFullYear :\n Date.prototype.setFullYear;\n var timesetter = tzOffset ? Date.prototype.setUTCHours :\n Date.prototype.setHours;\n\n if (isValid(fields.year, fields.month, fields.date)) {\n if (angular.isDate(baseDate) && !isNaN(baseDate.getTime()) && !tzOffset) {\n dt = new Date(baseDate);\n datesetter.call(dt, fields.year, fields.month, fields.date);\n timesetter.call(dt, fields.hours, fields.minutes,\n fields.seconds, fields.milliseconds);\n } else {\n dt = new Date(0);\n datesetter.call(dt, fields.year, fields.month, fields.date);\n timesetter.call(dt, fields.hours || 0, fields.minutes || 0,\n fields.seconds || 0, fields.milliseconds || 0);\n }\n }\n\n return dt;\n }\n };\n\n // Check if date is valid for specific month (and year for February).\n // Month: 0 = Jan, 1 = Feb, etc\n function isValid(year, month, date) {\n if (date < 1) {\n return false;\n }\n\n if (month === 1 && date > 28) {\n return date === 29 && (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0);\n }\n\n if (month === 3 || month === 5 || month === 8 || month === 10) {\n return date < 31;\n }\n\n return true;\n }\n\n function toInt(str) {\n return parseInt(str, 10);\n }\n\n this.toTimezone = toTimezone;\n this.fromTimezone = fromTimezone;\n this.timezoneToOffset = timezoneToOffset;\n this.addDateMinutes = addDateMinutes;\n this.convertTimezoneToLocal = convertTimezoneToLocal;\n\n function toTimezone(date, timezone) {\n return date && timezone ? convertTimezoneToLocal(date, timezone) : date;\n }\n\n function fromTimezone(date, timezone) {\n return date && timezone ? convertTimezoneToLocal(date, timezone, true) : date;\n }\n\n //https://github.com/angular/angular.js/blob/622c42169699ec07fc6daaa19fe6d224e5d2f70e/src/Angular.js#L1207\n function timezoneToOffset(timezone, fallback) {\n timezone = timezone.replace(/:/g, '');\n var requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;\n return isNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;\n }\n\n function addDateMinutes(date, minutes) {\n date = new Date(date.getTime());\n date.setMinutes(date.getMinutes() + minutes);\n return date;\n }\n\n function convertTimezoneToLocal(date, timezone, reverse) {\n reverse = reverse ? -1 : 1;\n var dateTimezoneOffset = date.getTimezoneOffset();\n var timezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);\n return addDateMinutes(date, reverse * (timezoneOffset - dateTimezoneOffset));\n }\n}]);\n\n// Avoiding use of ng-class as it creates a lot of watchers when a class is to be applied to\n// at most one element.\nangular.module('ui.bootstrap.isClass', [])\n.directive('uibIsClass', [\n '$animate',\nfunction ($animate) {\n // 11111111 22222222\n var ON_REGEXP = /^\\s*([\\s\\S]+?)\\s+on\\s+([\\s\\S]+?)\\s*$/;\n // 11111111 22222222\n var IS_REGEXP = /^\\s*([\\s\\S]+?)\\s+for\\s+([\\s\\S]+?)\\s*$/;\n\n var dataPerTracked = {};\n\n return {\n restrict: 'A',\n compile: function(tElement, tAttrs) {\n var linkedScopes = [];\n var instances = [];\n var expToData = {};\n var lastActivated = null;\n var onExpMatches = tAttrs.uibIsClass.match(ON_REGEXP);\n var onExp = onExpMatches[2];\n var expsStr = onExpMatches[1];\n var exps = expsStr.split(',');\n\n return linkFn;\n\n function linkFn(scope, element, attrs) {\n linkedScopes.push(scope);\n instances.push({\n scope: scope,\n element: element\n });\n\n exps.forEach(function(exp, k) {\n addForExp(exp, scope);\n });\n\n scope.$on('$destroy', removeScope);\n }\n\n function addForExp(exp, scope) {\n var matches = exp.match(IS_REGEXP);\n var clazz = scope.$eval(matches[1]);\n var compareWithExp = matches[2];\n var data = expToData[exp];\n if (!data) {\n var watchFn = function(compareWithVal) {\n var newActivated = null;\n instances.some(function(instance) {\n var thisVal = instance.scope.$eval(onExp);\n if (thisVal === compareWithVal) {\n newActivated = instance;\n return true;\n }\n });\n if (data.lastActivated !== newActivated) {\n if (data.lastActivated) {\n $animate.removeClass(data.lastActivated.element, clazz);\n }\n if (newActivated) {\n $animate.addClass(newActivated.element, clazz);\n }\n data.lastActivated = newActivated;\n }\n };\n expToData[exp] = data = {\n lastActivated: null,\n scope: scope,\n watchFn: watchFn,\n compareWithExp: compareWithExp,\n watcher: scope.$watch(compareWithExp, watchFn)\n };\n }\n data.watchFn(scope.$eval(compareWithExp));\n }\n\n function removeScope(e) {\n var removedScope = e.targetScope;\n var index = linkedScopes.indexOf(removedScope);\n linkedScopes.splice(index, 1);\n instances.splice(index, 1);\n if (linkedScopes.length) {\n var newWatchScope = linkedScopes[0];\n angular.forEach(expToData, function(data) {\n if (data.scope === removedScope) {\n data.watcher = newWatchScope.$watch(data.compareWithExp, data.watchFn);\n data.scope = newWatchScope;\n }\n });\n } else {\n expToData = {};\n }\n }\n }\n };\n}]);\nangular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootstrap.isClass'])\n\n.value('$datepickerSuppressError', false)\n\n.value('$datepickerLiteralWarning', true)\n\n.constant('uibDatepickerConfig', {\n datepickerMode: 'day',\n formatDay: 'dd',\n formatMonth: 'MMMM',\n formatYear: 'yyyy',\n formatDayHeader: 'EEE',\n formatDayTitle: 'MMMM yyyy',\n formatMonthTitle: 'yyyy',\n maxDate: null,\n maxMode: 'year',\n minDate: null,\n minMode: 'day',\n monthColumns: 3,\n ngModelOptions: {},\n shortcutPropagation: false,\n showWeeks: true,\n yearColumns: 5,\n yearRows: 4\n})\n\n.controller('UibDatepickerController', ['$scope', '$element', '$attrs', '$parse', '$interpolate', '$locale', '$log', 'dateFilter', 'uibDatepickerConfig', '$datepickerLiteralWarning', '$datepickerSuppressError', 'uibDateParser',\n function($scope, $element, $attrs, $parse, $interpolate, $locale, $log, dateFilter, datepickerConfig, $datepickerLiteralWarning, $datepickerSuppressError, dateParser) {\n var self = this,\n ngModelCtrl = { $setViewValue: angular.noop }, // nullModelCtrl;\n ngModelOptions = {},\n watchListeners = [];\n\n $element.addClass('uib-datepicker');\n $attrs.$set('role', 'application');\n\n if (!$scope.datepickerOptions) {\n $scope.datepickerOptions = {};\n }\n\n // Modes chain\n this.modes = ['day', 'month', 'year'];\n\n [\n 'customClass',\n 'dateDisabled',\n 'datepickerMode',\n 'formatDay',\n 'formatDayHeader',\n 'formatDayTitle',\n 'formatMonth',\n 'formatMonthTitle',\n 'formatYear',\n 'maxDate',\n 'maxMode',\n 'minDate',\n 'minMode',\n 'monthColumns',\n 'showWeeks',\n 'shortcutPropagation',\n 'startingDay',\n 'yearColumns',\n 'yearRows'\n ].forEach(function(key) {\n switch (key) {\n case 'customClass':\n case 'dateDisabled':\n $scope[key] = $scope.datepickerOptions[key] || angular.noop;\n break;\n case 'datepickerMode':\n $scope.datepickerMode = angular.isDefined($scope.datepickerOptions.datepickerMode) ?\n $scope.datepickerOptions.datepickerMode : datepickerConfig.datepickerMode;\n break;\n case 'formatDay':\n case 'formatDayHeader':\n case 'formatDayTitle':\n case 'formatMonth':\n case 'formatMonthTitle':\n case 'formatYear':\n self[key] = angular.isDefined($scope.datepickerOptions[key]) ?\n $interpolate($scope.datepickerOptions[key])($scope.$parent) :\n datepickerConfig[key];\n break;\n case 'monthColumns':\n case 'showWeeks':\n case 'shortcutPropagation':\n case 'yearColumns':\n case 'yearRows':\n self[key] = angular.isDefined($scope.datepickerOptions[key]) ?\n $scope.datepickerOptions[key] : datepickerConfig[key];\n break;\n case 'startingDay':\n if (angular.isDefined($scope.datepickerOptions.startingDay)) {\n self.startingDay = $scope.datepickerOptions.startingDay;\n } else if (angular.isNumber(datepickerConfig.startingDay)) {\n self.startingDay = datepickerConfig.startingDay;\n } else {\n self.startingDay = ($locale.DATETIME_FORMATS.FIRSTDAYOFWEEK + 8) % 7;\n }\n\n break;\n case 'maxDate':\n case 'minDate':\n $scope.$watch('datepickerOptions.' + key, function(value) {\n if (value) {\n if (angular.isDate(value)) {\n self[key] = dateParser.fromTimezone(new Date(value), ngModelOptions.getOption('timezone'));\n } else {\n if ($datepickerLiteralWarning) {\n $log.warn('Literal date support has been deprecated, please switch to date object usage');\n }\n\n self[key] = new Date(dateFilter(value, 'medium'));\n }\n } else {\n self[key] = datepickerConfig[key] ?\n dateParser.fromTimezone(new Date(datepickerConfig[key]), ngModelOptions.getOption('timezone')) :\n null;\n }\n\n self.refreshView();\n });\n\n break;\n case 'maxMode':\n case 'minMode':\n if ($scope.datepickerOptions[key]) {\n $scope.$watch(function() { return $scope.datepickerOptions[key]; }, function(value) {\n self[key] = $scope[key] = angular.isDefined(value) ? value : $scope.datepickerOptions[key];\n if (key === 'minMode' && self.modes.indexOf($scope.datepickerOptions.datepickerMode) < self.modes.indexOf(self[key]) ||\n key === 'maxMode' && self.modes.indexOf($scope.datepickerOptions.datepickerMode) > self.modes.indexOf(self[key])) {\n $scope.datepickerMode = self[key];\n $scope.datepickerOptions.datepickerMode = self[key];\n }\n });\n } else {\n self[key] = $scope[key] = datepickerConfig[key] || null;\n }\n\n break;\n }\n });\n\n $scope.uniqueId = 'datepicker-' + $scope.$id + '-' + Math.floor(Math.random() * 10000);\n\n $scope.disabled = angular.isDefined($attrs.disabled) || false;\n if (angular.isDefined($attrs.ngDisabled)) {\n watchListeners.push($scope.$parent.$watch($attrs.ngDisabled, function(disabled) {\n $scope.disabled = disabled;\n self.refreshView();\n }));\n }\n\n $scope.isActive = function(dateObject) {\n if (self.compare(dateObject.date, self.activeDate) === 0) {\n $scope.activeDateId = dateObject.uid;\n return true;\n }\n return false;\n };\n\n this.init = function(ngModelCtrl_) {\n ngModelCtrl = ngModelCtrl_;\n ngModelOptions = extractOptions(ngModelCtrl);\n\n if ($scope.datepickerOptions.initDate) {\n self.activeDate = dateParser.fromTimezone($scope.datepickerOptions.initDate, ngModelOptions.getOption('timezone')) || new Date();\n $scope.$watch('datepickerOptions.initDate', function(initDate) {\n if (initDate && (ngModelCtrl.$isEmpty(ngModelCtrl.$modelValue) || ngModelCtrl.$invalid)) {\n self.activeDate = dateParser.fromTimezone(initDate, ngModelOptions.getOption('timezone'));\n self.refreshView();\n }\n });\n } else {\n self.activeDate = new Date();\n }\n\n var date = ngModelCtrl.$modelValue ? new Date(ngModelCtrl.$modelValue) : new Date();\n this.activeDate = !isNaN(date) ?\n dateParser.fromTimezone(date, ngModelOptions.getOption('timezone')) :\n dateParser.fromTimezone(new Date(), ngModelOptions.getOption('timezone'));\n\n ngModelCtrl.$render = function() {\n self.render();\n };\n };\n\n this.render = function() {\n if (ngModelCtrl.$viewValue) {\n var date = new Date(ngModelCtrl.$viewValue),\n isValid = !isNaN(date);\n\n if (isValid) {\n this.activeDate = dateParser.fromTimezone(date, ngModelOptions.getOption('timezone'));\n } else if (!$datepickerSuppressError) {\n $log.error('Datepicker directive: \"ng-model\" value must be a Date object');\n }\n }\n this.refreshView();\n };\n\n this.refreshView = function() {\n if (this.element) {\n $scope.selectedDt = null;\n this._refreshView();\n if ($scope.activeDt) {\n $scope.activeDateId = $scope.activeDt.uid;\n }\n\n var date = ngModelCtrl.$viewValue ? new Date(ngModelCtrl.$viewValue) : null;\n date = dateParser.fromTimezone(date, ngModelOptions.getOption('timezone'));\n ngModelCtrl.$setValidity('dateDisabled', !date ||\n this.element && !this.isDisabled(date));\n }\n };\n\n this.createDateObject = function(date, format) {\n var model = ngModelCtrl.$viewValue ? new Date(ngModelCtrl.$viewValue) : null;\n model = dateParser.fromTimezone(model, ngModelOptions.getOption('timezone'));\n var today = new Date();\n today = dateParser.fromTimezone(today, ngModelOptions.getOption('timezone'));\n var time = this.compare(date, today);\n var dt = {\n date: date,\n label: dateParser.filter(date, format),\n selected: model && this.compare(date, model) === 0,\n disabled: this.isDisabled(date),\n past: time < 0,\n current: time === 0,\n future: time > 0,\n customClass: this.customClass(date) || null\n };\n\n if (model && this.compare(date, model) === 0) {\n $scope.selectedDt = dt;\n }\n\n if (self.activeDate && this.compare(dt.date, self.activeDate) === 0) {\n $scope.activeDt = dt;\n }\n\n return dt;\n };\n\n this.isDisabled = function(date) {\n return $scope.disabled ||\n this.minDate && this.compare(date, this.minDate) < 0 ||\n this.maxDate && this.compare(date, this.maxDate) > 0 ||\n $scope.dateDisabled && $scope.dateDisabled({date: date, mode: $scope.datepickerMode});\n };\n\n this.customClass = function(date) {\n return $scope.customClass({date: date, mode: $scope.datepickerMode});\n };\n\n // Split array into smaller arrays\n this.split = function(arr, size) {\n var arrays = [];\n while (arr.length > 0) {\n arrays.push(arr.splice(0, size));\n }\n return arrays;\n };\n\n $scope.select = function(date) {\n if ($scope.datepickerMode === self.minMode) {\n var dt = ngModelCtrl.$viewValue ? dateParser.fromTimezone(new Date(ngModelCtrl.$viewValue), ngModelOptions.getOption('timezone')) : new Date(0, 0, 0, 0, 0, 0, 0);\n dt.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());\n dt = dateParser.toTimezone(dt, ngModelOptions.getOption('timezone'));\n ngModelCtrl.$setViewValue(dt);\n ngModelCtrl.$render();\n } else {\n self.activeDate = date;\n setMode(self.modes[self.modes.indexOf($scope.datepickerMode) - 1]);\n\n $scope.$emit('uib:datepicker.mode');\n }\n\n $scope.$broadcast('uib:datepicker.focus');\n };\n\n $scope.move = function(direction) {\n var year = self.activeDate.getFullYear() + direction * (self.step.years || 0),\n month = self.activeDate.getMonth() + direction * (self.step.months || 0);\n self.activeDate.setFullYear(year, month, 1);\n self.refreshView();\n };\n\n $scope.toggleMode = function(direction) {\n direction = direction || 1;\n\n if ($scope.datepickerMode === self.maxMode && direction === 1 ||\n $scope.datepickerMode === self.minMode && direction === -1) {\n return;\n }\n\n setMode(self.modes[self.modes.indexOf($scope.datepickerMode) + direction]);\n\n $scope.$emit('uib:datepicker.mode');\n };\n\n // Key event mapper\n $scope.keys = { 13: 'enter', 32: 'space', 33: 'pageup', 34: 'pagedown', 35: 'end', 36: 'home', 37: 'left', 38: 'up', 39: 'right', 40: 'down' };\n\n var focusElement = function() {\n self.element[0].focus();\n };\n\n // Listen for focus requests from popup directive\n $scope.$on('uib:datepicker.focus', focusElement);\n\n $scope.keydown = function(evt) {\n var key = $scope.keys[evt.which];\n\n if (!key || evt.shiftKey || evt.altKey || $scope.disabled) {\n return;\n }\n\n evt.preventDefault();\n if (!self.shortcutPropagation) {\n evt.stopPropagation();\n }\n\n if (key === 'enter' || key === 'space') {\n if (self.isDisabled(self.activeDate)) {\n return; // do nothing\n }\n $scope.select(self.activeDate);\n } else if (evt.ctrlKey && (key === 'up' || key === 'down')) {\n $scope.toggleMode(key === 'up' ? 1 : -1);\n } else {\n self.handleKeyDown(key, evt);\n self.refreshView();\n }\n };\n\n $element.on('keydown', function(evt) {\n $scope.$apply(function() {\n $scope.keydown(evt);\n });\n });\n\n $scope.$on('$destroy', function() {\n //Clear all watch listeners on destroy\n while (watchListeners.length) {\n watchListeners.shift()();\n }\n });\n\n function setMode(mode) {\n $scope.datepickerMode = mode;\n $scope.datepickerOptions.datepickerMode = mode;\n }\n\n function extractOptions(ngModelCtrl) {\n var ngModelOptions;\n\n if (angular.version.minor < 6) { // in angular < 1.6 $options could be missing\n // guarantee a value\n ngModelOptions = ngModelCtrl.$options ||\n $scope.datepickerOptions.ngModelOptions ||\n datepickerConfig.ngModelOptions ||\n {};\n\n // mimic 1.6+ api\n ngModelOptions.getOption = function (key) {\n return ngModelOptions[key];\n };\n } else { // in angular >=1.6 $options is always present\n // ng-model-options defaults timezone to null; don't let its precedence squash a non-null value\n var timezone = ngModelCtrl.$options.getOption('timezone') ||\n ($scope.datepickerOptions.ngModelOptions ? $scope.datepickerOptions.ngModelOptions.timezone : null) ||\n (datepickerConfig.ngModelOptions ? datepickerConfig.ngModelOptions.timezone : null);\n\n // values passed to createChild override existing values\n ngModelOptions = ngModelCtrl.$options // start with a ModelOptions instance\n .createChild(datepickerConfig.ngModelOptions) // lowest precedence\n .createChild($scope.datepickerOptions.ngModelOptions)\n .createChild(ngModelCtrl.$options) // highest precedence\n .createChild({timezone: timezone}); // to keep from squashing a non-null value\n }\n\n return ngModelOptions;\n }\n}])\n\n.controller('UibDaypickerController', ['$scope', '$element', 'dateFilter', function(scope, $element, dateFilter) {\n var DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\n\n this.step = { months: 1 };\n this.element = $element;\n function getDaysInMonth(year, month) {\n return month === 1 && year % 4 === 0 &&\n (year % 100 !== 0 || year % 400 === 0) ? 29 : DAYS_IN_MONTH[month];\n }\n\n this.init = function(ctrl) {\n angular.extend(ctrl, this);\n scope.showWeeks = ctrl.showWeeks;\n ctrl.refreshView();\n };\n\n this.getDates = function(startDate, n) {\n var dates = new Array(n), current = new Date(startDate), i = 0, date;\n while (i < n) {\n date = new Date(current);\n dates[i++] = date;\n current.setDate(current.getDate() + 1);\n }\n return dates;\n };\n\n this._refreshView = function() {\n var year = this.activeDate.getFullYear(),\n month = this.activeDate.getMonth(),\n firstDayOfMonth = new Date(this.activeDate);\n\n firstDayOfMonth.setFullYear(year, month, 1);\n\n var difference = this.startingDay - firstDayOfMonth.getDay(),\n numDisplayedFromPreviousMonth = difference > 0 ?\n 7 - difference : - difference,\n firstDate = new Date(firstDayOfMonth);\n\n if (numDisplayedFromPreviousMonth > 0) {\n firstDate.setDate(-numDisplayedFromPreviousMonth + 1);\n }\n\n // 42 is the number of days on a six-week calendar\n var days = this.getDates(firstDate, 42);\n for (var i = 0; i < 42; i ++) {\n days[i] = angular.extend(this.createDateObject(days[i], this.formatDay), {\n secondary: days[i].getMonth() !== month,\n uid: scope.uniqueId + '-' + i\n });\n }\n\n scope.labels = new Array(7);\n for (var j = 0; j < 7; j++) {\n scope.labels[j] = {\n abbr: dateFilter(days[j].date, this.formatDayHeader),\n full: dateFilter(days[j].date, 'EEEE')\n };\n }\n\n scope.title = dateFilter(this.activeDate, this.formatDayTitle);\n scope.rows = this.split(days, 7);\n\n if (scope.showWeeks) {\n scope.weekNumbers = [];\n var thursdayIndex = (4 + 7 - this.startingDay) % 7,\n numWeeks = scope.rows.length;\n for (var curWeek = 0; curWeek < numWeeks; curWeek++) {\n scope.weekNumbers.push(\n getISO8601WeekNumber(scope.rows[curWeek][thursdayIndex].date));\n }\n }\n };\n\n this.compare = function(date1, date2) {\n var _date1 = new Date(date1.getFullYear(), date1.getMonth(), date1.getDate());\n var _date2 = new Date(date2.getFullYear(), date2.getMonth(), date2.getDate());\n _date1.setFullYear(date1.getFullYear());\n _date2.setFullYear(date2.getFullYear());\n return _date1 - _date2;\n };\n\n function getISO8601WeekNumber(date) {\n var checkDate = new Date(date);\n checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7)); // Thursday\n var time = checkDate.getTime();\n checkDate.setMonth(0); // Compare with Jan 1\n checkDate.setDate(1);\n return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;\n }\n\n this.handleKeyDown = function(key, evt) {\n var date = this.activeDate.getDate();\n\n if (key === 'left') {\n date = date - 1;\n } else if (key === 'up') {\n date = date - 7;\n } else if (key === 'right') {\n date = date + 1;\n } else if (key === 'down') {\n date = date + 7;\n } else if (key === 'pageup' || key === 'pagedown') {\n var month = this.activeDate.getMonth() + (key === 'pageup' ? - 1 : 1);\n this.activeDate.setMonth(month, 1);\n date = Math.min(getDaysInMonth(this.activeDate.getFullYear(), this.activeDate.getMonth()), date);\n } else if (key === 'home') {\n date = 1;\n } else if (key === 'end') {\n date = getDaysInMonth(this.activeDate.getFullYear(), this.activeDate.getMonth());\n }\n this.activeDate.setDate(date);\n };\n}])\n\n.controller('UibMonthpickerController', ['$scope', '$element', 'dateFilter', function(scope, $element, dateFilter) {\n this.step = { years: 1 };\n this.element = $element;\n\n this.init = function(ctrl) {\n angular.extend(ctrl, this);\n ctrl.refreshView();\n };\n\n this._refreshView = function() {\n var months = new Array(12),\n year = this.activeDate.getFullYear(),\n date;\n\n for (var i = 0; i < 12; i++) {\n date = new Date(this.activeDate);\n date.setFullYear(year, i, 1);\n months[i] = angular.extend(this.createDateObject(date, this.formatMonth), {\n uid: scope.uniqueId + '-' + i\n });\n }\n\n scope.title = dateFilter(this.activeDate, this.formatMonthTitle);\n scope.rows = this.split(months, this.monthColumns);\n scope.yearHeaderColspan = this.monthColumns > 3 ? this.monthColumns - 2 : 1;\n };\n\n this.compare = function(date1, date2) {\n var _date1 = new Date(date1.getFullYear(), date1.getMonth());\n var _date2 = new Date(date2.getFullYear(), date2.getMonth());\n _date1.setFullYear(date1.getFullYear());\n _date2.setFullYear(date2.getFullYear());\n return _date1 - _date2;\n };\n\n this.handleKeyDown = function(key, evt) {\n var date = this.activeDate.getMonth();\n\n if (key === 'left') {\n date = date - 1;\n } else if (key === 'up') {\n date = date - this.monthColumns;\n } else if (key === 'right') {\n date = date + 1;\n } else if (key === 'down') {\n date = date + this.monthColumns;\n } else if (key === 'pageup' || key === 'pagedown') {\n var year = this.activeDate.getFullYear() + (key === 'pageup' ? - 1 : 1);\n this.activeDate.setFullYear(year);\n } else if (key === 'home') {\n date = 0;\n } else if (key === 'end') {\n date = 11;\n }\n this.activeDate.setMonth(date);\n };\n}])\n\n.controller('UibYearpickerController', ['$scope', '$element', 'dateFilter', function(scope, $element, dateFilter) {\n var columns, range;\n this.element = $element;\n\n function getStartingYear(year) {\n return parseInt((year - 1) / range, 10) * range + 1;\n }\n\n this.yearpickerInit = function() {\n columns = this.yearColumns;\n range = this.yearRows * columns;\n this.step = { years: range };\n };\n\n this._refreshView = function() {\n var years = new Array(range), date;\n\n for (var i = 0, start = getStartingYear(this.activeDate.getFullYear()); i < range; i++) {\n date = new Date(this.activeDate);\n date.setFullYear(start + i, 0, 1);\n years[i] = angular.extend(this.createDateObject(date, this.formatYear), {\n uid: scope.uniqueId + '-' + i\n });\n }\n\n scope.title = [years[0].label, years[range - 1].label].join(' - ');\n scope.rows = this.split(years, columns);\n scope.columns = columns;\n };\n\n this.compare = function(date1, date2) {\n return date1.getFullYear() - date2.getFullYear();\n };\n\n this.handleKeyDown = function(key, evt) {\n var date = this.activeDate.getFullYear();\n\n if (key === 'left') {\n date = date - 1;\n } else if (key === 'up') {\n date = date - columns;\n } else if (key === 'right') {\n date = date + 1;\n } else if (key === 'down') {\n date = date + columns;\n } else if (key === 'pageup' || key === 'pagedown') {\n date += (key === 'pageup' ? - 1 : 1) * range;\n } else if (key === 'home') {\n date = getStartingYear(this.activeDate.getFullYear());\n } else if (key === 'end') {\n date = getStartingYear(this.activeDate.getFullYear()) + range - 1;\n }\n this.activeDate.setFullYear(date);\n };\n}])\n\n.directive('uibDatepicker', function() {\n return {\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/datepicker/datepicker.html';\n },\n scope: {\n datepickerOptions: '=?'\n },\n require: ['uibDatepicker', '^ngModel'],\n restrict: 'A',\n controller: 'UibDatepickerController',\n controllerAs: 'datepicker',\n link: function(scope, element, attrs, ctrls) {\n var datepickerCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n\n datepickerCtrl.init(ngModelCtrl);\n }\n };\n})\n\n.directive('uibDaypicker', function() {\n return {\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/datepicker/day.html';\n },\n require: ['^uibDatepicker', 'uibDaypicker'],\n restrict: 'A',\n controller: 'UibDaypickerController',\n link: function(scope, element, attrs, ctrls) {\n var datepickerCtrl = ctrls[0],\n daypickerCtrl = ctrls[1];\n\n daypickerCtrl.init(datepickerCtrl);\n }\n };\n})\n\n.directive('uibMonthpicker', function() {\n return {\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/datepicker/month.html';\n },\n require: ['^uibDatepicker', 'uibMonthpicker'],\n restrict: 'A',\n controller: 'UibMonthpickerController',\n link: function(scope, element, attrs, ctrls) {\n var datepickerCtrl = ctrls[0],\n monthpickerCtrl = ctrls[1];\n\n monthpickerCtrl.init(datepickerCtrl);\n }\n };\n})\n\n.directive('uibYearpicker', function() {\n return {\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/datepicker/year.html';\n },\n require: ['^uibDatepicker', 'uibYearpicker'],\n restrict: 'A',\n controller: 'UibYearpickerController',\n link: function(scope, element, attrs, ctrls) {\n var ctrl = ctrls[0];\n angular.extend(ctrl, ctrls[1]);\n ctrl.yearpickerInit();\n\n ctrl.refreshView();\n }\n };\n});\n\nangular.module('ui.bootstrap.position', [])\n\n/**\n * A set of utility methods for working with the DOM.\n * It is meant to be used where we need to absolute-position elements in\n * relation to another element (this is the case for tooltips, popovers,\n * typeahead suggestions etc.).\n */\n .factory('$uibPosition', ['$document', '$window', function($document, $window) {\n /**\n * Used by scrollbarWidth() function to cache scrollbar's width.\n * Do not access this variable directly, use scrollbarWidth() instead.\n */\n var SCROLLBAR_WIDTH;\n /**\n * scrollbar on body and html element in IE and Edge overlay\n * content and should be considered 0 width.\n */\n var BODY_SCROLLBAR_WIDTH;\n var OVERFLOW_REGEX = {\n normal: /(auto|scroll)/,\n hidden: /(auto|scroll|hidden)/\n };\n var PLACEMENT_REGEX = {\n auto: /\\s?auto?\\s?/i,\n primary: /^(top|bottom|left|right)$/,\n secondary: /^(top|bottom|left|right|center)$/,\n vertical: /^(top|bottom)$/\n };\n var BODY_REGEX = /(HTML|BODY)/;\n\n return {\n\n /**\n * Provides a raw DOM element from a jQuery/jQLite element.\n *\n * @param {element} elem - The element to convert.\n *\n * @returns {element} A HTML element.\n */\n getRawNode: function(elem) {\n return elem.nodeName ? elem : elem[0] || elem;\n },\n\n /**\n * Provides a parsed number for a style property. Strips\n * units and casts invalid numbers to 0.\n *\n * @param {string} value - The style value to parse.\n *\n * @returns {number} A valid number.\n */\n parseStyle: function(value) {\n value = parseFloat(value);\n return isFinite(value) ? value : 0;\n },\n\n /**\n * Provides the closest positioned ancestor.\n *\n * @param {element} element - The element to get the offest parent for.\n *\n * @returns {element} The closest positioned ancestor.\n */\n offsetParent: function(elem) {\n elem = this.getRawNode(elem);\n\n var offsetParent = elem.offsetParent || $document[0].documentElement;\n\n function isStaticPositioned(el) {\n return ($window.getComputedStyle(el).position || 'static') === 'static';\n }\n\n while (offsetParent && offsetParent !== $document[0].documentElement && isStaticPositioned(offsetParent)) {\n offsetParent = offsetParent.offsetParent;\n }\n\n return offsetParent || $document[0].documentElement;\n },\n\n /**\n * Provides the scrollbar width, concept from TWBS measureScrollbar()\n * function in https://github.com/twbs/bootstrap/blob/master/js/modal.js\n * In IE and Edge, scollbar on body and html element overlay and should\n * return a width of 0.\n *\n * @returns {number} The width of the browser scollbar.\n */\n scrollbarWidth: function(isBody) {\n if (isBody) {\n if (angular.isUndefined(BODY_SCROLLBAR_WIDTH)) {\n var bodyElem = $document.find('body');\n bodyElem.addClass('uib-position-body-scrollbar-measure');\n BODY_SCROLLBAR_WIDTH = $window.innerWidth - bodyElem[0].clientWidth;\n BODY_SCROLLBAR_WIDTH = isFinite(BODY_SCROLLBAR_WIDTH) ? BODY_SCROLLBAR_WIDTH : 0;\n bodyElem.removeClass('uib-position-body-scrollbar-measure');\n }\n return BODY_SCROLLBAR_WIDTH;\n }\n\n if (angular.isUndefined(SCROLLBAR_WIDTH)) {\n var scrollElem = angular.element('');\n $document.find('body').append(scrollElem);\n SCROLLBAR_WIDTH = scrollElem[0].offsetWidth - scrollElem[0].clientWidth;\n SCROLLBAR_WIDTH = isFinite(SCROLLBAR_WIDTH) ? SCROLLBAR_WIDTH : 0;\n scrollElem.remove();\n }\n\n return SCROLLBAR_WIDTH;\n },\n\n /**\n * Provides the padding required on an element to replace the scrollbar.\n *\n * @returns {object} An object with the following properties:\n * \n * - **scrollbarWidth**: the width of the scrollbar
\n * - **widthOverflow**: whether the the width is overflowing
\n * - **right**: the amount of right padding on the element needed to replace the scrollbar
\n * - **rightOriginal**: the amount of right padding currently on the element
\n * - **heightOverflow**: whether the the height is overflowing
\n * - **bottom**: the amount of bottom padding on the element needed to replace the scrollbar
\n * - **bottomOriginal**: the amount of bottom padding currently on the element
\n *
\n */\n scrollbarPadding: function(elem) {\n elem = this.getRawNode(elem);\n\n var elemStyle = $window.getComputedStyle(elem);\n var paddingRight = this.parseStyle(elemStyle.paddingRight);\n var paddingBottom = this.parseStyle(elemStyle.paddingBottom);\n var scrollParent = this.scrollParent(elem, false, true);\n var scrollbarWidth = this.scrollbarWidth(BODY_REGEX.test(scrollParent.tagName));\n\n return {\n scrollbarWidth: scrollbarWidth,\n widthOverflow: scrollParent.scrollWidth > scrollParent.clientWidth,\n right: paddingRight + scrollbarWidth,\n originalRight: paddingRight,\n heightOverflow: scrollParent.scrollHeight > scrollParent.clientHeight,\n bottom: paddingBottom + scrollbarWidth,\n originalBottom: paddingBottom\n };\n },\n\n /**\n * Checks to see if the element is scrollable.\n *\n * @param {element} elem - The element to check.\n * @param {boolean=} [includeHidden=false] - Should scroll style of 'hidden' be considered,\n * default is false.\n *\n * @returns {boolean} Whether the element is scrollable.\n */\n isScrollable: function(elem, includeHidden) {\n elem = this.getRawNode(elem);\n\n var overflowRegex = includeHidden ? OVERFLOW_REGEX.hidden : OVERFLOW_REGEX.normal;\n var elemStyle = $window.getComputedStyle(elem);\n return overflowRegex.test(elemStyle.overflow + elemStyle.overflowY + elemStyle.overflowX);\n },\n\n /**\n * Provides the closest scrollable ancestor.\n * A port of the jQuery UI scrollParent method:\n * https://github.com/jquery/jquery-ui/blob/master/ui/scroll-parent.js\n *\n * @param {element} elem - The element to find the scroll parent of.\n * @param {boolean=} [includeHidden=false] - Should scroll style of 'hidden' be considered,\n * default is false.\n * @param {boolean=} [includeSelf=false] - Should the element being passed be\n * included in the scrollable llokup.\n *\n * @returns {element} A HTML element.\n */\n scrollParent: function(elem, includeHidden, includeSelf) {\n elem = this.getRawNode(elem);\n\n var overflowRegex = includeHidden ? OVERFLOW_REGEX.hidden : OVERFLOW_REGEX.normal;\n var documentEl = $document[0].documentElement;\n var elemStyle = $window.getComputedStyle(elem);\n if (includeSelf && overflowRegex.test(elemStyle.overflow + elemStyle.overflowY + elemStyle.overflowX)) {\n return elem;\n }\n var excludeStatic = elemStyle.position === 'absolute';\n var scrollParent = elem.parentElement || documentEl;\n\n if (scrollParent === documentEl || elemStyle.position === 'fixed') {\n return documentEl;\n }\n\n while (scrollParent.parentElement && scrollParent !== documentEl) {\n var spStyle = $window.getComputedStyle(scrollParent);\n if (excludeStatic && spStyle.position !== 'static') {\n excludeStatic = false;\n }\n\n if (!excludeStatic && overflowRegex.test(spStyle.overflow + spStyle.overflowY + spStyle.overflowX)) {\n break;\n }\n scrollParent = scrollParent.parentElement;\n }\n\n return scrollParent;\n },\n\n /**\n * Provides read-only equivalent of jQuery's position function:\n * http://api.jquery.com/position/ - distance to closest positioned\n * ancestor. Does not account for margins by default like jQuery position.\n *\n * @param {element} elem - The element to caclulate the position on.\n * @param {boolean=} [includeMargins=false] - Should margins be accounted\n * for, default is false.\n *\n * @returns {object} An object with the following properties:\n * \n * - **width**: the width of the element
\n * - **height**: the height of the element
\n * - **top**: distance to top edge of offset parent
\n * - **left**: distance to left edge of offset parent
\n *
\n */\n position: function(elem, includeMagins) {\n elem = this.getRawNode(elem);\n\n var elemOffset = this.offset(elem);\n if (includeMagins) {\n var elemStyle = $window.getComputedStyle(elem);\n elemOffset.top -= this.parseStyle(elemStyle.marginTop);\n elemOffset.left -= this.parseStyle(elemStyle.marginLeft);\n }\n var parent = this.offsetParent(elem);\n var parentOffset = {top: 0, left: 0};\n\n if (parent !== $document[0].documentElement) {\n parentOffset = this.offset(parent);\n parentOffset.top += parent.clientTop - parent.scrollTop;\n parentOffset.left += parent.clientLeft - parent.scrollLeft;\n }\n\n return {\n width: Math.round(angular.isNumber(elemOffset.width) ? elemOffset.width : elem.offsetWidth),\n height: Math.round(angular.isNumber(elemOffset.height) ? elemOffset.height : elem.offsetHeight),\n top: Math.round(elemOffset.top - parentOffset.top),\n left: Math.round(elemOffset.left - parentOffset.left)\n };\n },\n\n /**\n * Provides read-only equivalent of jQuery's offset function:\n * http://api.jquery.com/offset/ - distance to viewport. Does\n * not account for borders, margins, or padding on the body\n * element.\n *\n * @param {element} elem - The element to calculate the offset on.\n *\n * @returns {object} An object with the following properties:\n * \n * - **width**: the width of the element
\n * - **height**: the height of the element
\n * - **top**: distance to top edge of viewport
\n * - **right**: distance to bottom edge of viewport
\n *
\n */\n offset: function(elem) {\n elem = this.getRawNode(elem);\n\n var elemBCR = elem.getBoundingClientRect();\n return {\n width: Math.round(angular.isNumber(elemBCR.width) ? elemBCR.width : elem.offsetWidth),\n height: Math.round(angular.isNumber(elemBCR.height) ? elemBCR.height : elem.offsetHeight),\n top: Math.round(elemBCR.top + ($window.pageYOffset || $document[0].documentElement.scrollTop)),\n left: Math.round(elemBCR.left + ($window.pageXOffset || $document[0].documentElement.scrollLeft))\n };\n },\n\n /**\n * Provides offset distance to the closest scrollable ancestor\n * or viewport. Accounts for border and scrollbar width.\n *\n * Right and bottom dimensions represent the distance to the\n * respective edge of the viewport element. If the element\n * edge extends beyond the viewport, a negative value will be\n * reported.\n *\n * @param {element} elem - The element to get the viewport offset for.\n * @param {boolean=} [useDocument=false] - Should the viewport be the document element instead\n * of the first scrollable element, default is false.\n * @param {boolean=} [includePadding=true] - Should the padding on the offset parent element\n * be accounted for, default is true.\n *\n * @returns {object} An object with the following properties:\n * \n * - **top**: distance to the top content edge of viewport element
\n * - **bottom**: distance to the bottom content edge of viewport element
\n * - **left**: distance to the left content edge of viewport element
\n * - **right**: distance to the right content edge of viewport element
\n *
\n */\n viewportOffset: function(elem, useDocument, includePadding) {\n elem = this.getRawNode(elem);\n includePadding = includePadding !== false ? true : false;\n\n var elemBCR = elem.getBoundingClientRect();\n var offsetBCR = {top: 0, left: 0, bottom: 0, right: 0};\n\n var offsetParent = useDocument ? $document[0].documentElement : this.scrollParent(elem);\n var offsetParentBCR = offsetParent.getBoundingClientRect();\n\n offsetBCR.top = offsetParentBCR.top + offsetParent.clientTop;\n offsetBCR.left = offsetParentBCR.left + offsetParent.clientLeft;\n if (offsetParent === $document[0].documentElement) {\n offsetBCR.top += $window.pageYOffset;\n offsetBCR.left += $window.pageXOffset;\n }\n offsetBCR.bottom = offsetBCR.top + offsetParent.clientHeight;\n offsetBCR.right = offsetBCR.left + offsetParent.clientWidth;\n\n if (includePadding) {\n var offsetParentStyle = $window.getComputedStyle(offsetParent);\n offsetBCR.top += this.parseStyle(offsetParentStyle.paddingTop);\n offsetBCR.bottom -= this.parseStyle(offsetParentStyle.paddingBottom);\n offsetBCR.left += this.parseStyle(offsetParentStyle.paddingLeft);\n offsetBCR.right -= this.parseStyle(offsetParentStyle.paddingRight);\n }\n\n return {\n top: Math.round(elemBCR.top - offsetBCR.top),\n bottom: Math.round(offsetBCR.bottom - elemBCR.bottom),\n left: Math.round(elemBCR.left - offsetBCR.left),\n right: Math.round(offsetBCR.right - elemBCR.right)\n };\n },\n\n /**\n * Provides an array of placement values parsed from a placement string.\n * Along with the 'auto' indicator, supported placement strings are:\n * \n * - top: element on top, horizontally centered on host element.
\n * - top-left: element on top, left edge aligned with host element left edge.
\n * - top-right: element on top, lerightft edge aligned with host element right edge.
\n * - bottom: element on bottom, horizontally centered on host element.
\n * - bottom-left: element on bottom, left edge aligned with host element left edge.
\n * - bottom-right: element on bottom, right edge aligned with host element right edge.
\n * - left: element on left, vertically centered on host element.
\n * - left-top: element on left, top edge aligned with host element top edge.
\n * - left-bottom: element on left, bottom edge aligned with host element bottom edge.
\n * - right: element on right, vertically centered on host element.
\n * - right-top: element on right, top edge aligned with host element top edge.
\n * - right-bottom: element on right, bottom edge aligned with host element bottom edge.
\n *
\n * A placement string with an 'auto' indicator is expected to be\n * space separated from the placement, i.e: 'auto bottom-left' If\n * the primary and secondary placement values do not match 'top,\n * bottom, left, right' then 'top' will be the primary placement and\n * 'center' will be the secondary placement. If 'auto' is passed, true\n * will be returned as the 3rd value of the array.\n *\n * @param {string} placement - The placement string to parse.\n *\n * @returns {array} An array with the following values\n * \n * - **[0]**: The primary placement.
\n * - **[1]**: The secondary placement.
\n * - **[2]**: If auto is passed: true, else undefined.
\n *
\n */\n parsePlacement: function(placement) {\n var autoPlace = PLACEMENT_REGEX.auto.test(placement);\n if (autoPlace) {\n placement = placement.replace(PLACEMENT_REGEX.auto, '');\n }\n\n placement = placement.split('-');\n\n placement[0] = placement[0] || 'top';\n if (!PLACEMENT_REGEX.primary.test(placement[0])) {\n placement[0] = 'top';\n }\n\n placement[1] = placement[1] || 'center';\n if (!PLACEMENT_REGEX.secondary.test(placement[1])) {\n placement[1] = 'center';\n }\n\n if (autoPlace) {\n placement[2] = true;\n } else {\n placement[2] = false;\n }\n\n return placement;\n },\n\n /**\n * Provides coordinates for an element to be positioned relative to\n * another element. Passing 'auto' as part of the placement parameter\n * will enable smart placement - where the element fits. i.e:\n * 'auto left-top' will check to see if there is enough space to the left\n * of the hostElem to fit the targetElem, if not place right (same for secondary\n * top placement). Available space is calculated using the viewportOffset\n * function.\n *\n * @param {element} hostElem - The element to position against.\n * @param {element} targetElem - The element to position.\n * @param {string=} [placement=top] - The placement for the targetElem,\n * default is 'top'. 'center' is assumed as secondary placement for\n * 'top', 'left', 'right', and 'bottom' placements. Available placements are:\n * \n * - top
\n * - top-right
\n * - top-left
\n * - bottom
\n * - bottom-left
\n * - bottom-right
\n * - left
\n * - left-top
\n * - left-bottom
\n * - right
\n * - right-top
\n * - right-bottom
\n *
\n * @param {boolean=} [appendToBody=false] - Should the top and left values returned\n * be calculated from the body element, default is false.\n *\n * @returns {object} An object with the following properties:\n * \n * - **top**: Value for targetElem top.
\n * - **left**: Value for targetElem left.
\n * - **placement**: The resolved placement.
\n *
\n */\n positionElements: function(hostElem, targetElem, placement, appendToBody) {\n hostElem = this.getRawNode(hostElem);\n targetElem = this.getRawNode(targetElem);\n\n // need to read from prop to support tests.\n var targetWidth = angular.isDefined(targetElem.offsetWidth) ? targetElem.offsetWidth : targetElem.prop('offsetWidth');\n var targetHeight = angular.isDefined(targetElem.offsetHeight) ? targetElem.offsetHeight : targetElem.prop('offsetHeight');\n\n placement = this.parsePlacement(placement);\n\n var hostElemPos = appendToBody ? this.offset(hostElem) : this.position(hostElem);\n var targetElemPos = {top: 0, left: 0, placement: ''};\n\n if (placement[2]) {\n var viewportOffset = this.viewportOffset(hostElem, appendToBody);\n\n var targetElemStyle = $window.getComputedStyle(targetElem);\n var adjustedSize = {\n width: targetWidth + Math.round(Math.abs(this.parseStyle(targetElemStyle.marginLeft) + this.parseStyle(targetElemStyle.marginRight))),\n height: targetHeight + Math.round(Math.abs(this.parseStyle(targetElemStyle.marginTop) + this.parseStyle(targetElemStyle.marginBottom)))\n };\n\n placement[0] = placement[0] === 'top' && adjustedSize.height > viewportOffset.top && adjustedSize.height <= viewportOffset.bottom ? 'bottom' :\n placement[0] === 'bottom' && adjustedSize.height > viewportOffset.bottom && adjustedSize.height <= viewportOffset.top ? 'top' :\n placement[0] === 'left' && adjustedSize.width > viewportOffset.left && adjustedSize.width <= viewportOffset.right ? 'right' :\n placement[0] === 'right' && adjustedSize.width > viewportOffset.right && adjustedSize.width <= viewportOffset.left ? 'left' :\n placement[0];\n\n placement[1] = placement[1] === 'top' && adjustedSize.height - hostElemPos.height > viewportOffset.bottom && adjustedSize.height - hostElemPos.height <= viewportOffset.top ? 'bottom' :\n placement[1] === 'bottom' && adjustedSize.height - hostElemPos.height > viewportOffset.top && adjustedSize.height - hostElemPos.height <= viewportOffset.bottom ? 'top' :\n placement[1] === 'left' && adjustedSize.width - hostElemPos.width > viewportOffset.right && adjustedSize.width - hostElemPos.width <= viewportOffset.left ? 'right' :\n placement[1] === 'right' && adjustedSize.width - hostElemPos.width > viewportOffset.left && adjustedSize.width - hostElemPos.width <= viewportOffset.right ? 'left' :\n placement[1];\n\n if (placement[1] === 'center') {\n if (PLACEMENT_REGEX.vertical.test(placement[0])) {\n var xOverflow = hostElemPos.width / 2 - targetWidth / 2;\n if (viewportOffset.left + xOverflow < 0 && adjustedSize.width - hostElemPos.width <= viewportOffset.right) {\n placement[1] = 'left';\n } else if (viewportOffset.right + xOverflow < 0 && adjustedSize.width - hostElemPos.width <= viewportOffset.left) {\n placement[1] = 'right';\n }\n } else {\n var yOverflow = hostElemPos.height / 2 - adjustedSize.height / 2;\n if (viewportOffset.top + yOverflow < 0 && adjustedSize.height - hostElemPos.height <= viewportOffset.bottom) {\n placement[1] = 'top';\n } else if (viewportOffset.bottom + yOverflow < 0 && adjustedSize.height - hostElemPos.height <= viewportOffset.top) {\n placement[1] = 'bottom';\n }\n }\n }\n }\n\n switch (placement[0]) {\n case 'top':\n targetElemPos.top = hostElemPos.top - targetHeight;\n break;\n case 'bottom':\n targetElemPos.top = hostElemPos.top + hostElemPos.height;\n break;\n case 'left':\n targetElemPos.left = hostElemPos.left - targetWidth;\n break;\n case 'right':\n targetElemPos.left = hostElemPos.left + hostElemPos.width;\n break;\n }\n\n switch (placement[1]) {\n case 'top':\n targetElemPos.top = hostElemPos.top;\n break;\n case 'bottom':\n targetElemPos.top = hostElemPos.top + hostElemPos.height - targetHeight;\n break;\n case 'left':\n targetElemPos.left = hostElemPos.left;\n break;\n case 'right':\n targetElemPos.left = hostElemPos.left + hostElemPos.width - targetWidth;\n break;\n case 'center':\n if (PLACEMENT_REGEX.vertical.test(placement[0])) {\n targetElemPos.left = hostElemPos.left + hostElemPos.width / 2 - targetWidth / 2;\n } else {\n targetElemPos.top = hostElemPos.top + hostElemPos.height / 2 - targetHeight / 2;\n }\n break;\n }\n\n targetElemPos.top = Math.round(targetElemPos.top);\n targetElemPos.left = Math.round(targetElemPos.left);\n targetElemPos.placement = placement[1] === 'center' ? placement[0] : placement[0] + '-' + placement[1];\n\n return targetElemPos;\n },\n\n /**\n * Provides a way to adjust the top positioning after first\n * render to correctly align element to top after content\n * rendering causes resized element height\n *\n * @param {array} placementClasses - The array of strings of classes\n * element should have.\n * @param {object} containerPosition - The object with container\n * position information\n * @param {number} initialHeight - The initial height for the elem.\n * @param {number} currentHeight - The current height for the elem.\n */\n adjustTop: function(placementClasses, containerPosition, initialHeight, currentHeight) {\n if (placementClasses.indexOf('top') !== -1 && initialHeight !== currentHeight) {\n return {\n top: containerPosition.top - currentHeight + 'px'\n };\n }\n },\n\n /**\n * Provides a way for positioning tooltip & dropdown\n * arrows when using placement options beyond the standard\n * left, right, top, or bottom.\n *\n * @param {element} elem - The tooltip/dropdown element.\n * @param {string} placement - The placement for the elem.\n */\n positionArrow: function(elem, placement) {\n elem = this.getRawNode(elem);\n\n var innerElem = elem.querySelector('.tooltip-inner, .popover-inner');\n if (!innerElem) {\n return;\n }\n\n var isTooltip = angular.element(innerElem).hasClass('tooltip-inner');\n\n var arrowElem = isTooltip ? elem.querySelector('.tooltip-arrow') : elem.querySelector('.arrow');\n if (!arrowElem) {\n return;\n }\n\n var arrowCss = {\n top: '',\n bottom: '',\n left: '',\n right: ''\n };\n\n placement = this.parsePlacement(placement);\n if (placement[1] === 'center') {\n // no adjustment necessary - just reset styles\n angular.element(arrowElem).css(arrowCss);\n return;\n }\n\n var borderProp = 'border-' + placement[0] + '-width';\n var borderWidth = $window.getComputedStyle(arrowElem)[borderProp];\n\n var borderRadiusProp = 'border-';\n if (PLACEMENT_REGEX.vertical.test(placement[0])) {\n borderRadiusProp += placement[0] + '-' + placement[1];\n } else {\n borderRadiusProp += placement[1] + '-' + placement[0];\n }\n borderRadiusProp += '-radius';\n var borderRadius = $window.getComputedStyle(isTooltip ? innerElem : elem)[borderRadiusProp];\n\n switch (placement[0]) {\n case 'top':\n arrowCss.bottom = isTooltip ? '0' : '-' + borderWidth;\n break;\n case 'bottom':\n arrowCss.top = isTooltip ? '0' : '-' + borderWidth;\n break;\n case 'left':\n arrowCss.right = isTooltip ? '0' : '-' + borderWidth;\n break;\n case 'right':\n arrowCss.left = isTooltip ? '0' : '-' + borderWidth;\n break;\n }\n\n arrowCss[placement[1]] = borderRadius;\n\n angular.element(arrowElem).css(arrowCss);\n }\n };\n }]);\n\nangular.module('ui.bootstrap.datepickerPopup', ['ui.bootstrap.datepicker', 'ui.bootstrap.position'])\n\n.value('$datepickerPopupLiteralWarning', true)\n\n.constant('uibDatepickerPopupConfig', {\n altInputFormats: [],\n appendToBody: false,\n clearText: 'Clear',\n closeOnDateSelection: true,\n closeText: 'Done',\n currentText: 'Today',\n datepickerPopup: 'yyyy-MM-dd',\n datepickerPopupTemplateUrl: 'uib/template/datepickerPopup/popup.html',\n datepickerTemplateUrl: 'uib/template/datepicker/datepicker.html',\n html5Types: {\n date: 'yyyy-MM-dd',\n 'datetime-local': 'yyyy-MM-ddTHH:mm:ss.sss',\n 'month': 'yyyy-MM'\n },\n onOpenFocus: true,\n showButtonBar: true,\n placement: 'auto bottom-left'\n})\n\n.controller('UibDatepickerPopupController', ['$scope', '$element', '$attrs', '$compile', '$log', '$parse', '$window', '$document', '$rootScope', '$uibPosition', 'dateFilter', 'uibDateParser', 'uibDatepickerPopupConfig', '$timeout', 'uibDatepickerConfig', '$datepickerPopupLiteralWarning',\nfunction($scope, $element, $attrs, $compile, $log, $parse, $window, $document, $rootScope, $position, dateFilter, dateParser, datepickerPopupConfig, $timeout, datepickerConfig, $datepickerPopupLiteralWarning) {\n var cache = {},\n isHtml5DateInput = false;\n var dateFormat, closeOnDateSelection, appendToBody, onOpenFocus,\n datepickerPopupTemplateUrl, datepickerTemplateUrl, popupEl, datepickerEl, scrollParentEl,\n ngModel, ngModelOptions, $popup, altInputFormats, watchListeners = [];\n\n this.init = function(_ngModel_) {\n ngModel = _ngModel_;\n ngModelOptions = extractOptions(ngModel);\n closeOnDateSelection = angular.isDefined($attrs.closeOnDateSelection) ?\n $scope.$parent.$eval($attrs.closeOnDateSelection) :\n datepickerPopupConfig.closeOnDateSelection;\n appendToBody = angular.isDefined($attrs.datepickerAppendToBody) ?\n $scope.$parent.$eval($attrs.datepickerAppendToBody) :\n datepickerPopupConfig.appendToBody;\n onOpenFocus = angular.isDefined($attrs.onOpenFocus) ?\n $scope.$parent.$eval($attrs.onOpenFocus) : datepickerPopupConfig.onOpenFocus;\n datepickerPopupTemplateUrl = angular.isDefined($attrs.datepickerPopupTemplateUrl) ?\n $attrs.datepickerPopupTemplateUrl :\n datepickerPopupConfig.datepickerPopupTemplateUrl;\n datepickerTemplateUrl = angular.isDefined($attrs.datepickerTemplateUrl) ?\n $attrs.datepickerTemplateUrl : datepickerPopupConfig.datepickerTemplateUrl;\n altInputFormats = angular.isDefined($attrs.altInputFormats) ?\n $scope.$parent.$eval($attrs.altInputFormats) :\n datepickerPopupConfig.altInputFormats;\n\n $scope.showButtonBar = angular.isDefined($attrs.showButtonBar) ?\n $scope.$parent.$eval($attrs.showButtonBar) :\n datepickerPopupConfig.showButtonBar;\n\n if (datepickerPopupConfig.html5Types[$attrs.type]) {\n dateFormat = datepickerPopupConfig.html5Types[$attrs.type];\n isHtml5DateInput = true;\n } else {\n dateFormat = $attrs.uibDatepickerPopup || datepickerPopupConfig.datepickerPopup;\n $attrs.$observe('uibDatepickerPopup', function(value, oldValue) {\n var newDateFormat = value || datepickerPopupConfig.datepickerPopup;\n // Invalidate the $modelValue to ensure that formatters re-run\n // FIXME: Refactor when PR is merged: https://github.com/angular/angular.js/pull/10764\n if (newDateFormat !== dateFormat) {\n dateFormat = newDateFormat;\n ngModel.$modelValue = null;\n\n if (!dateFormat) {\n throw new Error('uibDatepickerPopup must have a date format specified.');\n }\n }\n });\n }\n\n if (!dateFormat) {\n throw new Error('uibDatepickerPopup must have a date format specified.');\n }\n\n if (isHtml5DateInput && $attrs.uibDatepickerPopup) {\n throw new Error('HTML5 date input types do not support custom formats.');\n }\n\n // popup element used to display calendar\n popupEl = angular.element('');\n\n popupEl.attr({\n 'ng-model': 'date',\n 'ng-change': 'dateSelection(date)',\n 'template-url': datepickerPopupTemplateUrl\n });\n\n // datepicker element\n datepickerEl = angular.element(popupEl.children()[0]);\n datepickerEl.attr('template-url', datepickerTemplateUrl);\n\n if (!$scope.datepickerOptions) {\n $scope.datepickerOptions = {};\n }\n\n if (isHtml5DateInput) {\n if ($attrs.type === 'month') {\n $scope.datepickerOptions.datepickerMode = 'month';\n $scope.datepickerOptions.minMode = 'month';\n }\n }\n\n datepickerEl.attr('datepicker-options', 'datepickerOptions');\n\n if (!isHtml5DateInput) {\n // Internal API to maintain the correct ng-invalid-[key] class\n ngModel.$$parserName = 'date';\n ngModel.$validators.date = validator;\n ngModel.$parsers.unshift(parseDate);\n ngModel.$formatters.push(function(value) {\n if (ngModel.$isEmpty(value)) {\n $scope.date = value;\n return value;\n }\n\n if (angular.isNumber(value)) {\n value = new Date(value);\n }\n\n $scope.date = dateParser.fromTimezone(value, ngModelOptions.getOption('timezone'));\n\n return dateParser.filter($scope.date, dateFormat);\n });\n } else {\n ngModel.$formatters.push(function(value) {\n $scope.date = dateParser.fromTimezone(value, ngModelOptions.getOption('timezone'));\n return value;\n });\n }\n\n // Detect changes in the view from the text box\n ngModel.$viewChangeListeners.push(function() {\n $scope.date = parseDateString(ngModel.$viewValue);\n });\n\n $element.on('keydown', inputKeydownBind);\n\n $popup = $compile(popupEl)($scope);\n // Prevent jQuery cache memory leak (template is now redundant after linking)\n popupEl.remove();\n\n if (appendToBody) {\n $document.find('body').append($popup);\n } else {\n $element.after($popup);\n }\n\n $scope.$on('$destroy', function() {\n if ($scope.isOpen === true) {\n if (!$rootScope.$$phase) {\n $scope.$apply(function() {\n $scope.isOpen = false;\n });\n }\n }\n\n $popup.remove();\n $element.off('keydown', inputKeydownBind);\n $document.off('click', documentClickBind);\n if (scrollParentEl) {\n scrollParentEl.off('scroll', positionPopup);\n }\n angular.element($window).off('resize', positionPopup);\n\n //Clear all watch listeners on destroy\n while (watchListeners.length) {\n watchListeners.shift()();\n }\n });\n };\n\n $scope.getText = function(key) {\n return $scope[key + 'Text'] || datepickerPopupConfig[key + 'Text'];\n };\n\n $scope.isDisabled = function(date) {\n if (date === 'today') {\n date = dateParser.fromTimezone(new Date(), ngModelOptions.getOption('timezone'));\n }\n\n var dates = {};\n angular.forEach(['minDate', 'maxDate'], function(key) {\n if (!$scope.datepickerOptions[key]) {\n dates[key] = null;\n } else if (angular.isDate($scope.datepickerOptions[key])) {\n dates[key] = new Date($scope.datepickerOptions[key]);\n } else {\n if ($datepickerPopupLiteralWarning) {\n $log.warn('Literal date support has been deprecated, please switch to date object usage');\n }\n\n dates[key] = new Date(dateFilter($scope.datepickerOptions[key], 'medium'));\n }\n });\n\n return $scope.datepickerOptions &&\n dates.minDate && $scope.compare(date, dates.minDate) < 0 ||\n dates.maxDate && $scope.compare(date, dates.maxDate) > 0;\n };\n\n $scope.compare = function(date1, date2) {\n return new Date(date1.getFullYear(), date1.getMonth(), date1.getDate()) - new Date(date2.getFullYear(), date2.getMonth(), date2.getDate());\n };\n\n // Inner change\n $scope.dateSelection = function(dt) {\n $scope.date = dt;\n var date = $scope.date ? dateParser.filter($scope.date, dateFormat) : null; // Setting to NULL is necessary for form validators to function\n $element.val(date);\n ngModel.$setViewValue(date);\n\n if (closeOnDateSelection) {\n $scope.isOpen = false;\n $element[0].focus();\n }\n };\n\n $scope.keydown = function(evt) {\n if (evt.which === 27) {\n evt.stopPropagation();\n $scope.isOpen = false;\n $element[0].focus();\n }\n };\n\n $scope.select = function(date, evt) {\n evt.stopPropagation();\n\n if (date === 'today') {\n var today = new Date();\n if (angular.isDate($scope.date)) {\n date = new Date($scope.date);\n date.setFullYear(today.getFullYear(), today.getMonth(), today.getDate());\n } else {\n date = dateParser.fromTimezone(today, ngModelOptions.getOption('timezone'));\n date.setHours(0, 0, 0, 0);\n }\n }\n $scope.dateSelection(date);\n };\n\n $scope.close = function(evt) {\n evt.stopPropagation();\n\n $scope.isOpen = false;\n $element[0].focus();\n };\n\n $scope.disabled = angular.isDefined($attrs.disabled) || false;\n if ($attrs.ngDisabled) {\n watchListeners.push($scope.$parent.$watch($parse($attrs.ngDisabled), function(disabled) {\n $scope.disabled = disabled;\n }));\n }\n\n $scope.$watch('isOpen', function(value) {\n if (value) {\n if (!$scope.disabled) {\n $timeout(function() {\n positionPopup();\n\n if (onOpenFocus) {\n $scope.$broadcast('uib:datepicker.focus');\n }\n\n $document.on('click', documentClickBind);\n\n var placement = $attrs.popupPlacement ? $attrs.popupPlacement : datepickerPopupConfig.placement;\n if (appendToBody || $position.parsePlacement(placement)[2]) {\n scrollParentEl = scrollParentEl || angular.element($position.scrollParent($element));\n if (scrollParentEl) {\n scrollParentEl.on('scroll', positionPopup);\n }\n } else {\n scrollParentEl = null;\n }\n\n angular.element($window).on('resize', positionPopup);\n }, 0, false);\n } else {\n $scope.isOpen = false;\n }\n } else {\n $document.off('click', documentClickBind);\n if (scrollParentEl) {\n scrollParentEl.off('scroll', positionPopup);\n }\n angular.element($window).off('resize', positionPopup);\n }\n });\n\n function cameltoDash(string) {\n return string.replace(/([A-Z])/g, function($1) { return '-' + $1.toLowerCase(); });\n }\n\n function parseDateString(viewValue) {\n var date = dateParser.parse(viewValue, dateFormat, $scope.date);\n if (isNaN(date)) {\n for (var i = 0; i < altInputFormats.length; i++) {\n date = dateParser.parse(viewValue, altInputFormats[i], $scope.date);\n if (!isNaN(date)) {\n return date;\n }\n }\n }\n return date;\n }\n\n function parseDate(viewValue) {\n if (angular.isNumber(viewValue)) {\n // presumably timestamp to date object\n viewValue = new Date(viewValue);\n }\n\n if (!viewValue) {\n return null;\n }\n\n if (angular.isDate(viewValue) && !isNaN(viewValue)) {\n return viewValue;\n }\n\n if (angular.isString(viewValue)) {\n var date = parseDateString(viewValue);\n if (!isNaN(date)) {\n return dateParser.toTimezone(date, ngModelOptions.getOption('timezone'));\n }\n }\n\n return ngModelOptions.getOption('allowInvalid') ? viewValue : undefined;\n }\n\n function validator(modelValue, viewValue) {\n var value = modelValue || viewValue;\n\n if (!$attrs.ngRequired && !value) {\n return true;\n }\n\n if (angular.isNumber(value)) {\n value = new Date(value);\n }\n\n if (!value) {\n return true;\n }\n\n if (angular.isDate(value) && !isNaN(value)) {\n return true;\n }\n\n if (angular.isString(value)) {\n return !isNaN(parseDateString(value));\n }\n\n return false;\n }\n\n function documentClickBind(event) {\n if (!$scope.isOpen && $scope.disabled) {\n return;\n }\n\n var popup = $popup[0];\n var dpContainsTarget = $element[0].contains(event.target);\n // The popup node may not be an element node\n // In some browsers (IE) only element nodes have the 'contains' function\n var popupContainsTarget = popup.contains !== undefined && popup.contains(event.target);\n if ($scope.isOpen && !(dpContainsTarget || popupContainsTarget)) {\n $scope.$apply(function() {\n $scope.isOpen = false;\n });\n }\n }\n\n function inputKeydownBind(evt) {\n if (evt.which === 27 && $scope.isOpen) {\n evt.preventDefault();\n evt.stopPropagation();\n $scope.$apply(function() {\n $scope.isOpen = false;\n });\n $element[0].focus();\n } else if (evt.which === 40 && !$scope.isOpen) {\n evt.preventDefault();\n evt.stopPropagation();\n $scope.$apply(function() {\n $scope.isOpen = true;\n });\n }\n }\n\n function positionPopup() {\n if ($scope.isOpen) {\n var dpElement = angular.element($popup[0].querySelector('.uib-datepicker-popup'));\n var placement = $attrs.popupPlacement ? $attrs.popupPlacement : datepickerPopupConfig.placement;\n var position = $position.positionElements($element, dpElement, placement, appendToBody);\n dpElement.css({top: position.top + 'px', left: position.left + 'px'});\n if (dpElement.hasClass('uib-position-measure')) {\n dpElement.removeClass('uib-position-measure');\n }\n }\n }\n\n function extractOptions(ngModelCtrl) {\n var ngModelOptions;\n\n if (angular.version.minor < 6) { // in angular < 1.6 $options could be missing\n // guarantee a value\n ngModelOptions = angular.isObject(ngModelCtrl.$options) ?\n ngModelCtrl.$options :\n {\n timezone: null\n };\n\n // mimic 1.6+ api\n ngModelOptions.getOption = function (key) {\n return ngModelOptions[key];\n };\n } else { // in angular >=1.6 $options is always present\n ngModelOptions = ngModelCtrl.$options;\n }\n\n return ngModelOptions;\n }\n\n $scope.$on('uib:datepicker.mode', function() {\n $timeout(positionPopup, 0, false);\n });\n}])\n\n.directive('uibDatepickerPopup', function() {\n return {\n require: ['ngModel', 'uibDatepickerPopup'],\n controller: 'UibDatepickerPopupController',\n scope: {\n datepickerOptions: '=?',\n isOpen: '=?',\n currentText: '@',\n clearText: '@',\n closeText: '@'\n },\n link: function(scope, element, attrs, ctrls) {\n var ngModel = ctrls[0],\n ctrl = ctrls[1];\n\n ctrl.init(ngModel);\n }\n };\n})\n\n.directive('uibDatepickerPopupWrap', function() {\n return {\n restrict: 'A',\n transclude: true,\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/datepickerPopup/popup.html';\n }\n };\n});\n\nangular.module('ui.bootstrap.debounce', [])\n/**\n * A helper, internal service that debounces a function\n */\n .factory('$$debounce', ['$timeout', function($timeout) {\n return function(callback, debounceTime) {\n var timeoutPromise;\n\n return function() {\n var self = this;\n var args = Array.prototype.slice.call(arguments);\n if (timeoutPromise) {\n $timeout.cancel(timeoutPromise);\n }\n\n timeoutPromise = $timeout(function() {\n callback.apply(self, args);\n }, debounceTime);\n };\n };\n }]);\n\nangular.module('ui.bootstrap.multiMap', [])\n/**\n * A helper, internal data structure that stores all references attached to key\n */\n .factory('$$multiMap', function() {\n return {\n createNew: function() {\n var map = {};\n\n return {\n entries: function() {\n return Object.keys(map).map(function(key) {\n return {\n key: key,\n value: map[key]\n };\n });\n },\n get: function(key) {\n return map[key];\n },\n hasKey: function(key) {\n return !!map[key];\n },\n keys: function() {\n return Object.keys(map);\n },\n put: function(key, value) {\n if (!map[key]) {\n map[key] = [];\n }\n\n map[key].push(value);\n },\n remove: function(key, value) {\n var values = map[key];\n\n if (!values) {\n return;\n }\n\n var idx = values.indexOf(value);\n\n if (idx !== -1) {\n values.splice(idx, 1);\n }\n\n if (!values.length) {\n delete map[key];\n }\n }\n };\n }\n };\n });\n\nangular.module('ui.bootstrap.dropdown', ['ui.bootstrap.multiMap', 'ui.bootstrap.position'])\n\n.constant('uibDropdownConfig', {\n appendToOpenClass: 'uib-dropdown-open',\n openClass: 'open'\n})\n\n.service('uibDropdownService', ['$document', '$rootScope', '$$multiMap', function($document, $rootScope, $$multiMap) {\n var openScope = null;\n var openedContainers = $$multiMap.createNew();\n\n this.isOnlyOpen = function(dropdownScope, appendTo) {\n var openedDropdowns = openedContainers.get(appendTo);\n if (openedDropdowns) {\n var openDropdown = openedDropdowns.reduce(function(toClose, dropdown) {\n if (dropdown.scope === dropdownScope) {\n return dropdown;\n }\n\n return toClose;\n }, {});\n if (openDropdown) {\n return openedDropdowns.length === 1;\n }\n }\n\n return false;\n };\n\n this.open = function(dropdownScope, element, appendTo) {\n if (!openScope) {\n $document.on('click', closeDropdown);\n }\n\n if (openScope && openScope !== dropdownScope) {\n openScope.isOpen = false;\n }\n\n openScope = dropdownScope;\n\n if (!appendTo) {\n return;\n }\n\n var openedDropdowns = openedContainers.get(appendTo);\n if (openedDropdowns) {\n var openedScopes = openedDropdowns.map(function(dropdown) {\n return dropdown.scope;\n });\n if (openedScopes.indexOf(dropdownScope) === -1) {\n openedContainers.put(appendTo, {\n scope: dropdownScope\n });\n }\n } else {\n openedContainers.put(appendTo, {\n scope: dropdownScope\n });\n }\n };\n\n this.close = function(dropdownScope, element, appendTo) {\n if (openScope === dropdownScope) {\n $document.off('click', closeDropdown);\n $document.off('keydown', this.keybindFilter);\n openScope = null;\n }\n\n if (!appendTo) {\n return;\n }\n\n var openedDropdowns = openedContainers.get(appendTo);\n if (openedDropdowns) {\n var dropdownToClose = openedDropdowns.reduce(function(toClose, dropdown) {\n if (dropdown.scope === dropdownScope) {\n return dropdown;\n }\n\n return toClose;\n }, {});\n if (dropdownToClose) {\n openedContainers.remove(appendTo, dropdownToClose);\n }\n }\n };\n\n var closeDropdown = function(evt) {\n // This method may still be called during the same mouse event that\n // unbound this event handler. So check openScope before proceeding.\n if (!openScope || !openScope.isOpen) { return; }\n\n if (evt && openScope.getAutoClose() === 'disabled') { return; }\n\n if (evt && evt.which === 3) { return; }\n\n var toggleElement = openScope.getToggleElement();\n if (evt && toggleElement && toggleElement[0].contains(evt.target)) {\n return;\n }\n\n var dropdownElement = openScope.getDropdownElement();\n if (evt && openScope.getAutoClose() === 'outsideClick' &&\n dropdownElement && dropdownElement[0].contains(evt.target)) {\n return;\n }\n\n openScope.focusToggleElement();\n openScope.isOpen = false;\n\n if (!$rootScope.$$phase) {\n openScope.$apply();\n }\n };\n\n this.keybindFilter = function(evt) {\n if (!openScope) {\n // see this.close as ESC could have been pressed which kills the scope so we can not proceed\n return;\n }\n\n var dropdownElement = openScope.getDropdownElement();\n var toggleElement = openScope.getToggleElement();\n var dropdownElementTargeted = dropdownElement && dropdownElement[0].contains(evt.target);\n var toggleElementTargeted = toggleElement && toggleElement[0].contains(evt.target);\n if (evt.which === 27) {\n evt.stopPropagation();\n openScope.focusToggleElement();\n closeDropdown();\n } else if (openScope.isKeynavEnabled() && [38, 40].indexOf(evt.which) !== -1 && openScope.isOpen && (dropdownElementTargeted || toggleElementTargeted)) {\n evt.preventDefault();\n evt.stopPropagation();\n openScope.focusDropdownEntry(evt.which);\n }\n };\n}])\n\n.controller('UibDropdownController', ['$scope', '$element', '$attrs', '$parse', 'uibDropdownConfig', 'uibDropdownService', '$animate', '$uibPosition', '$document', '$compile', '$templateRequest', function($scope, $element, $attrs, $parse, dropdownConfig, uibDropdownService, $animate, $position, $document, $compile, $templateRequest) {\n var self = this,\n scope = $scope.$new(), // create a child scope so we are not polluting original one\n templateScope,\n appendToOpenClass = dropdownConfig.appendToOpenClass,\n openClass = dropdownConfig.openClass,\n getIsOpen,\n setIsOpen = angular.noop,\n toggleInvoker = $attrs.onToggle ? $parse($attrs.onToggle) : angular.noop,\n keynavEnabled = false,\n selectedOption = null,\n body = $document.find('body');\n\n $element.addClass('dropdown');\n\n this.init = function() {\n if ($attrs.isOpen) {\n getIsOpen = $parse($attrs.isOpen);\n setIsOpen = getIsOpen.assign;\n\n $scope.$watch(getIsOpen, function(value) {\n scope.isOpen = !!value;\n });\n }\n\n keynavEnabled = angular.isDefined($attrs.keyboardNav);\n };\n\n this.toggle = function(open) {\n scope.isOpen = arguments.length ? !!open : !scope.isOpen;\n if (angular.isFunction(setIsOpen)) {\n setIsOpen(scope, scope.isOpen);\n }\n\n return scope.isOpen;\n };\n\n // Allow other directives to watch status\n this.isOpen = function() {\n return scope.isOpen;\n };\n\n scope.getToggleElement = function() {\n return self.toggleElement;\n };\n\n scope.getAutoClose = function() {\n return $attrs.autoClose || 'always'; //or 'outsideClick' or 'disabled'\n };\n\n scope.getElement = function() {\n return $element;\n };\n\n scope.isKeynavEnabled = function() {\n return keynavEnabled;\n };\n\n scope.focusDropdownEntry = function(keyCode) {\n var elems = self.dropdownMenu ? //If append to body is used.\n angular.element(self.dropdownMenu).find('a') :\n $element.find('ul').eq(0).find('a');\n\n switch (keyCode) {\n case 40: {\n if (!angular.isNumber(self.selectedOption)) {\n self.selectedOption = 0;\n } else {\n self.selectedOption = self.selectedOption === elems.length - 1 ?\n self.selectedOption :\n self.selectedOption + 1;\n }\n break;\n }\n case 38: {\n if (!angular.isNumber(self.selectedOption)) {\n self.selectedOption = elems.length - 1;\n } else {\n self.selectedOption = self.selectedOption === 0 ?\n 0 : self.selectedOption - 1;\n }\n break;\n }\n }\n elems[self.selectedOption].focus();\n };\n\n scope.getDropdownElement = function() {\n return self.dropdownMenu;\n };\n\n scope.focusToggleElement = function() {\n if (self.toggleElement) {\n self.toggleElement[0].focus();\n }\n };\n\n function removeDropdownMenu() {\n $element.append(self.dropdownMenu);\n }\n\n scope.$watch('isOpen', function(isOpen, wasOpen) {\n var appendTo = null,\n appendToBody = false;\n\n if (angular.isDefined($attrs.dropdownAppendTo)) {\n var appendToEl = $parse($attrs.dropdownAppendTo)(scope);\n if (appendToEl) {\n appendTo = angular.element(appendToEl);\n }\n }\n\n if (angular.isDefined($attrs.dropdownAppendToBody)) {\n var appendToBodyValue = $parse($attrs.dropdownAppendToBody)(scope);\n if (appendToBodyValue !== false) {\n appendToBody = true;\n }\n }\n\n if (appendToBody && !appendTo) {\n appendTo = body;\n }\n\n if (appendTo && self.dropdownMenu) {\n if (isOpen) {\n appendTo.append(self.dropdownMenu);\n $element.on('$destroy', removeDropdownMenu);\n } else {\n $element.off('$destroy', removeDropdownMenu);\n removeDropdownMenu();\n }\n }\n\n if (appendTo && self.dropdownMenu) {\n var pos = $position.positionElements($element, self.dropdownMenu, 'bottom-left', true),\n css,\n rightalign,\n scrollbarPadding,\n scrollbarWidth = 0;\n\n css = {\n top: pos.top + 'px',\n display: isOpen ? 'block' : 'none'\n };\n\n rightalign = self.dropdownMenu.hasClass('dropdown-menu-right');\n if (!rightalign) {\n css.left = pos.left + 'px';\n css.right = 'auto';\n } else {\n css.left = 'auto';\n scrollbarPadding = $position.scrollbarPadding(appendTo);\n\n if (scrollbarPadding.heightOverflow && scrollbarPadding.scrollbarWidth) {\n scrollbarWidth = scrollbarPadding.scrollbarWidth;\n }\n\n css.right = window.innerWidth - scrollbarWidth -\n (pos.left + $element.prop('offsetWidth')) + 'px';\n }\n\n // Need to adjust our positioning to be relative to the appendTo container\n // if it's not the body element\n if (!appendToBody) {\n var appendOffset = $position.offset(appendTo);\n\n css.top = pos.top - appendOffset.top + 'px';\n\n if (!rightalign) {\n css.left = pos.left - appendOffset.left + 'px';\n } else {\n css.right = window.innerWidth -\n (pos.left - appendOffset.left + $element.prop('offsetWidth')) + 'px';\n }\n }\n\n self.dropdownMenu.css(css);\n }\n\n var openContainer = appendTo ? appendTo : $element;\n var dropdownOpenClass = appendTo ? appendToOpenClass : openClass;\n var hasOpenClass = openContainer.hasClass(dropdownOpenClass);\n var isOnlyOpen = uibDropdownService.isOnlyOpen($scope, appendTo);\n\n if (hasOpenClass === !isOpen) {\n var toggleClass;\n if (appendTo) {\n toggleClass = !isOnlyOpen ? 'addClass' : 'removeClass';\n } else {\n toggleClass = isOpen ? 'addClass' : 'removeClass';\n }\n $animate[toggleClass](openContainer, dropdownOpenClass).then(function() {\n if (angular.isDefined(isOpen) && isOpen !== wasOpen) {\n toggleInvoker($scope, { open: !!isOpen });\n }\n });\n }\n\n if (isOpen) {\n if (self.dropdownMenuTemplateUrl) {\n $templateRequest(self.dropdownMenuTemplateUrl).then(function(tplContent) {\n templateScope = scope.$new();\n $compile(tplContent.trim())(templateScope, function(dropdownElement) {\n var newEl = dropdownElement;\n self.dropdownMenu.replaceWith(newEl);\n self.dropdownMenu = newEl;\n $document.on('keydown', uibDropdownService.keybindFilter);\n });\n });\n } else {\n $document.on('keydown', uibDropdownService.keybindFilter);\n }\n\n scope.focusToggleElement();\n uibDropdownService.open(scope, $element, appendTo);\n } else {\n uibDropdownService.close(scope, $element, appendTo);\n if (self.dropdownMenuTemplateUrl) {\n if (templateScope) {\n templateScope.$destroy();\n }\n var newEl = angular.element('');\n self.dropdownMenu.replaceWith(newEl);\n self.dropdownMenu = newEl;\n }\n\n self.selectedOption = null;\n }\n\n if (angular.isFunction(setIsOpen)) {\n setIsOpen($scope, isOpen);\n }\n });\n}])\n\n.directive('uibDropdown', function() {\n return {\n controller: 'UibDropdownController',\n link: function(scope, element, attrs, dropdownCtrl) {\n dropdownCtrl.init();\n }\n };\n})\n\n.directive('uibDropdownMenu', function() {\n return {\n restrict: 'A',\n require: '?^uibDropdown',\n link: function(scope, element, attrs, dropdownCtrl) {\n if (!dropdownCtrl || angular.isDefined(attrs.dropdownNested)) {\n return;\n }\n\n element.addClass('dropdown-menu');\n\n var tplUrl = attrs.templateUrl;\n if (tplUrl) {\n dropdownCtrl.dropdownMenuTemplateUrl = tplUrl;\n }\n\n if (!dropdownCtrl.dropdownMenu) {\n dropdownCtrl.dropdownMenu = element;\n }\n }\n };\n})\n\n.directive('uibDropdownToggle', function() {\n return {\n require: '?^uibDropdown',\n link: function(scope, element, attrs, dropdownCtrl) {\n if (!dropdownCtrl) {\n return;\n }\n\n element.addClass('dropdown-toggle');\n\n dropdownCtrl.toggleElement = element;\n\n var toggleDropdown = function(event) {\n event.preventDefault();\n\n if (!element.hasClass('disabled') && !attrs.disabled) {\n scope.$apply(function() {\n dropdownCtrl.toggle();\n });\n }\n };\n\n element.on('click', toggleDropdown);\n\n // WAI-ARIA\n element.attr({ 'aria-haspopup': true, 'aria-expanded': false });\n scope.$watch(dropdownCtrl.isOpen, function(isOpen) {\n element.attr('aria-expanded', !!isOpen);\n });\n\n scope.$on('$destroy', function() {\n element.off('click', toggleDropdown);\n });\n }\n };\n});\n\nangular.module('ui.bootstrap.stackedMap', [])\n/**\n * A helper, internal data structure that acts as a map but also allows getting / removing\n * elements in the LIFO order\n */\n .factory('$$stackedMap', function() {\n return {\n createNew: function() {\n var stack = [];\n\n return {\n add: function(key, value) {\n stack.push({\n key: key,\n value: value\n });\n },\n get: function(key) {\n for (var i = 0; i < stack.length; i++) {\n if (key === stack[i].key) {\n return stack[i];\n }\n }\n },\n keys: function() {\n var keys = [];\n for (var i = 0; i < stack.length; i++) {\n keys.push(stack[i].key);\n }\n return keys;\n },\n top: function() {\n return stack[stack.length - 1];\n },\n remove: function(key) {\n var idx = -1;\n for (var i = 0; i < stack.length; i++) {\n if (key === stack[i].key) {\n idx = i;\n break;\n }\n }\n return stack.splice(idx, 1)[0];\n },\n removeTop: function() {\n return stack.pop();\n },\n length: function() {\n return stack.length;\n }\n };\n }\n };\n });\nangular.module('ui.bootstrap.modal', ['ui.bootstrap.multiMap', 'ui.bootstrap.stackedMap', 'ui.bootstrap.position'])\n/**\n * Pluggable resolve mechanism for the modal resolve resolution\n * Supports UI Router's $resolve service\n */\n .provider('$uibResolve', function() {\n var resolve = this;\n this.resolver = null;\n\n this.setResolver = function(resolver) {\n this.resolver = resolver;\n };\n\n this.$get = ['$injector', '$q', function($injector, $q) {\n var resolver = resolve.resolver ? $injector.get(resolve.resolver) : null;\n return {\n resolve: function(invocables, locals, parent, self) {\n if (resolver) {\n return resolver.resolve(invocables, locals, parent, self);\n }\n\n var promises = [];\n\n angular.forEach(invocables, function(value) {\n if (angular.isFunction(value) || angular.isArray(value)) {\n promises.push($q.resolve($injector.invoke(value)));\n } else if (angular.isString(value)) {\n promises.push($q.resolve($injector.get(value)));\n } else {\n promises.push($q.resolve(value));\n }\n });\n\n return $q.all(promises).then(function(resolves) {\n var resolveObj = {};\n var resolveIter = 0;\n angular.forEach(invocables, function(value, key) {\n resolveObj[key] = resolves[resolveIter++];\n });\n\n return resolveObj;\n });\n }\n };\n }];\n })\n\n/**\n * A helper directive for the $modal service. It creates a backdrop element.\n */\n .directive('uibModalBackdrop', ['$animate', '$injector', '$uibModalStack',\n function($animate, $injector, $modalStack) {\n return {\n restrict: 'A',\n compile: function(tElement, tAttrs) {\n tElement.addClass(tAttrs.backdropClass);\n return linkFn;\n }\n };\n\n function linkFn(scope, element, attrs) {\n if (attrs.modalInClass) {\n $animate.addClass(element, attrs.modalInClass);\n\n scope.$on($modalStack.NOW_CLOSING_EVENT, function(e, setIsAsync) {\n var done = setIsAsync();\n if (scope.modalOptions.animation) {\n $animate.removeClass(element, attrs.modalInClass).then(done);\n } else {\n done();\n }\n });\n }\n }\n }])\n\n .directive('uibModalWindow', ['$uibModalStack', '$q', '$animateCss', '$document',\n function($modalStack, $q, $animateCss, $document) {\n return {\n scope: {\n index: '@'\n },\n restrict: 'A',\n transclude: true,\n templateUrl: function(tElement, tAttrs) {\n return tAttrs.templateUrl || 'uib/template/modal/window.html';\n },\n link: function(scope, element, attrs) {\n element.addClass(attrs.windowTopClass || '');\n scope.size = attrs.size;\n\n scope.close = function(evt) {\n var modal = $modalStack.getTop();\n if (modal && modal.value.backdrop &&\n modal.value.backdrop !== 'static' &&\n evt.target === evt.currentTarget) {\n evt.preventDefault();\n evt.stopPropagation();\n $modalStack.dismiss(modal.key, 'backdrop click');\n }\n };\n\n // moved from template to fix issue #2280\n element.on('click', scope.close);\n\n // This property is only added to the scope for the purpose of detecting when this directive is rendered.\n // We can detect that by using this property in the template associated with this directive and then use\n // {@link Attribute#$observe} on it. For more details please see {@link TableColumnResize}.\n scope.$isRendered = true;\n\n // Deferred object that will be resolved when this modal is rendered.\n var modalRenderDeferObj = $q.defer();\n // Resolve render promise post-digest\n scope.$$postDigest(function() {\n modalRenderDeferObj.resolve();\n });\n\n modalRenderDeferObj.promise.then(function() {\n var animationPromise = null;\n\n if (attrs.modalInClass) {\n animationPromise = $animateCss(element, {\n addClass: attrs.modalInClass\n }).start();\n\n scope.$on($modalStack.NOW_CLOSING_EVENT, function(e, setIsAsync) {\n var done = setIsAsync();\n $animateCss(element, {\n removeClass: attrs.modalInClass\n }).start().then(done);\n });\n }\n\n\n $q.when(animationPromise).then(function() {\n // Notify {@link $modalStack} that modal is rendered.\n var modal = $modalStack.getTop();\n if (modal) {\n $modalStack.modalRendered(modal.key);\n }\n\n /**\n * If something within the freshly-opened modal already has focus (perhaps via a\n * directive that causes focus) then there's no need to try to focus anything.\n */\n if (!($document[0].activeElement && element[0].contains($document[0].activeElement))) {\n var inputWithAutofocus = element[0].querySelector('[autofocus]');\n /**\n * Auto-focusing of a freshly-opened modal element causes any child elements\n * with the autofocus attribute to lose focus. This is an issue on touch\n * based devices which will show and then hide the onscreen keyboard.\n * Attempts to refocus the autofocus element via JavaScript will not reopen\n * the onscreen keyboard. Fixed by updated the focusing logic to only autofocus\n * the modal element if the modal does not contain an autofocus element.\n */\n if (inputWithAutofocus) {\n inputWithAutofocus.focus();\n } else {\n element[0].focus();\n }\n }\n });\n });\n }\n };\n }])\n\n .directive('uibModalAnimationClass', function() {\n return {\n compile: function(tElement, tAttrs) {\n if (tAttrs.modalAnimation) {\n tElement.addClass(tAttrs.uibModalAnimationClass);\n }\n }\n };\n })\n\n .directive('uibModalTransclude', ['$animate', function($animate) {\n return {\n link: function(scope, element, attrs, controller, transclude) {\n transclude(scope.$parent, function(clone) {\n element.empty();\n $animate.enter(clone, element);\n });\n }\n };\n }])\n\n .factory('$uibModalStack', ['$animate', '$animateCss', '$document',\n '$compile', '$rootScope', '$q', '$$multiMap', '$$stackedMap', '$uibPosition',\n function($animate, $animateCss, $document, $compile, $rootScope, $q, $$multiMap, $$stackedMap, $uibPosition) {\n var OPENED_MODAL_CLASS = 'modal-open';\n\n var backdropDomEl, backdropScope;\n var openedWindows = $$stackedMap.createNew();\n var openedClasses = $$multiMap.createNew();\n var $modalStack = {\n NOW_CLOSING_EVENT: 'modal.stack.now-closing'\n };\n var topModalIndex = 0;\n var previousTopOpenedModal = null;\n var ARIA_HIDDEN_ATTRIBUTE_NAME = 'data-bootstrap-modal-aria-hidden-count';\n\n //Modal focus behavior\n var tabbableSelector = 'a[href], area[href], input:not([disabled]):not([tabindex=\\'-1\\']), ' +\n 'button:not([disabled]):not([tabindex=\\'-1\\']),select:not([disabled]):not([tabindex=\\'-1\\']), textarea:not([disabled]):not([tabindex=\\'-1\\']), ' +\n 'iframe, object, embed, *[tabindex]:not([tabindex=\\'-1\\']), *[contenteditable=true]';\n var scrollbarPadding;\n var SNAKE_CASE_REGEXP = /[A-Z]/g;\n\n // TODO: extract into common dependency with tooltip\n function snake_case(name) {\n var separator = '-';\n return name.replace(SNAKE_CASE_REGEXP, function(letter, pos) {\n return (pos ? separator : '') + letter.toLowerCase();\n });\n }\n\n function isVisible(element) {\n return !!(element.offsetWidth ||\n element.offsetHeight ||\n element.getClientRects().length);\n }\n\n function backdropIndex() {\n var topBackdropIndex = -1;\n var opened = openedWindows.keys();\n for (var i = 0; i < opened.length; i++) {\n if (openedWindows.get(opened[i]).value.backdrop) {\n topBackdropIndex = i;\n }\n }\n\n // If any backdrop exist, ensure that it's index is always\n // right below the top modal\n if (topBackdropIndex > -1 && topBackdropIndex < topModalIndex) {\n topBackdropIndex = topModalIndex;\n }\n return topBackdropIndex;\n }\n\n $rootScope.$watch(backdropIndex, function(newBackdropIndex) {\n if (backdropScope) {\n backdropScope.index = newBackdropIndex;\n }\n });\n\n function removeModalWindow(modalInstance, elementToReceiveFocus) {\n var modalWindow = openedWindows.get(modalInstance).value;\n var appendToElement = modalWindow.appendTo;\n\n //clean up the stack\n openedWindows.remove(modalInstance);\n previousTopOpenedModal = openedWindows.top();\n if (previousTopOpenedModal) {\n topModalIndex = parseInt(previousTopOpenedModal.value.modalDomEl.attr('index'), 10);\n }\n\n removeAfterAnimate(modalWindow.modalDomEl, modalWindow.modalScope, function() {\n var modalBodyClass = modalWindow.openedClass || OPENED_MODAL_CLASS;\n openedClasses.remove(modalBodyClass, modalInstance);\n var areAnyOpen = openedClasses.hasKey(modalBodyClass);\n appendToElement.toggleClass(modalBodyClass, areAnyOpen);\n if (!areAnyOpen && scrollbarPadding && scrollbarPadding.heightOverflow && scrollbarPadding.scrollbarWidth) {\n if (scrollbarPadding.originalRight) {\n appendToElement.css({paddingRight: scrollbarPadding.originalRight + 'px'});\n } else {\n appendToElement.css({paddingRight: ''});\n }\n scrollbarPadding = null;\n }\n toggleTopWindowClass(true);\n }, modalWindow.closedDeferred);\n checkRemoveBackdrop();\n\n //move focus to specified element if available, or else to body\n if (elementToReceiveFocus && elementToReceiveFocus.focus) {\n elementToReceiveFocus.focus();\n } else if (appendToElement.focus) {\n appendToElement.focus();\n }\n }\n\n // Add or remove \"windowTopClass\" from the top window in the stack\n function toggleTopWindowClass(toggleSwitch) {\n var modalWindow;\n\n if (openedWindows.length() > 0) {\n modalWindow = openedWindows.top().value;\n modalWindow.modalDomEl.toggleClass(modalWindow.windowTopClass || '', toggleSwitch);\n }\n }\n\n function checkRemoveBackdrop() {\n //remove backdrop if no longer needed\n if (backdropDomEl && backdropIndex() === -1) {\n var backdropScopeRef = backdropScope;\n removeAfterAnimate(backdropDomEl, backdropScope, function() {\n backdropScopeRef = null;\n });\n backdropDomEl = undefined;\n backdropScope = undefined;\n }\n }\n\n function removeAfterAnimate(domEl, scope, done, closedDeferred) {\n var asyncDeferred;\n var asyncPromise = null;\n var setIsAsync = function() {\n if (!asyncDeferred) {\n asyncDeferred = $q.defer();\n asyncPromise = asyncDeferred.promise;\n }\n\n return function asyncDone() {\n asyncDeferred.resolve();\n };\n };\n scope.$broadcast($modalStack.NOW_CLOSING_EVENT, setIsAsync);\n\n // Note that it's intentional that asyncPromise might be null.\n // That's when setIsAsync has not been called during the\n // NOW_CLOSING_EVENT broadcast.\n return $q.when(asyncPromise).then(afterAnimating);\n\n function afterAnimating() {\n if (afterAnimating.done) {\n return;\n }\n afterAnimating.done = true;\n\n $animate.leave(domEl).then(function() {\n if (done) {\n done();\n }\n\n domEl.remove();\n if (closedDeferred) {\n closedDeferred.resolve();\n }\n });\n\n scope.$destroy();\n }\n }\n\n $document.on('keydown', keydownListener);\n\n $rootScope.$on('$destroy', function() {\n $document.off('keydown', keydownListener);\n });\n\n function keydownListener(evt) {\n if (evt.isDefaultPrevented()) {\n return evt;\n }\n\n var modal = openedWindows.top();\n if (modal) {\n switch (evt.which) {\n case 27: {\n if (modal.value.keyboard) {\n evt.preventDefault();\n $rootScope.$apply(function() {\n $modalStack.dismiss(modal.key, 'escape key press');\n });\n }\n break;\n }\n case 9: {\n var list = $modalStack.loadFocusElementList(modal);\n var focusChanged = false;\n if (evt.shiftKey) {\n if ($modalStack.isFocusInFirstItem(evt, list) || $modalStack.isModalFocused(evt, modal)) {\n focusChanged = $modalStack.focusLastFocusableElement(list);\n }\n } else {\n if ($modalStack.isFocusInLastItem(evt, list)) {\n focusChanged = $modalStack.focusFirstFocusableElement(list);\n }\n }\n\n if (focusChanged) {\n evt.preventDefault();\n evt.stopPropagation();\n }\n\n break;\n }\n }\n }\n }\n\n $modalStack.open = function(modalInstance, modal) {\n var modalOpener = $document[0].activeElement,\n modalBodyClass = modal.openedClass || OPENED_MODAL_CLASS;\n\n toggleTopWindowClass(false);\n\n // Store the current top first, to determine what index we ought to use\n // for the current top modal\n previousTopOpenedModal = openedWindows.top();\n\n openedWindows.add(modalInstance, {\n deferred: modal.deferred,\n renderDeferred: modal.renderDeferred,\n closedDeferred: modal.closedDeferred,\n modalScope: modal.scope,\n backdrop: modal.backdrop,\n keyboard: modal.keyboard,\n openedClass: modal.openedClass,\n windowTopClass: modal.windowTopClass,\n animation: modal.animation,\n appendTo: modal.appendTo\n });\n\n openedClasses.put(modalBodyClass, modalInstance);\n\n var appendToElement = modal.appendTo,\n currBackdropIndex = backdropIndex();\n\n if (currBackdropIndex >= 0 && !backdropDomEl) {\n backdropScope = $rootScope.$new(true);\n backdropScope.modalOptions = modal;\n backdropScope.index = currBackdropIndex;\n backdropDomEl = angular.element('');\n backdropDomEl.attr({\n 'class': 'modal-backdrop',\n 'ng-style': '{\\'z-index\\': 1040 + (index && 1 || 0) + index*10}',\n 'uib-modal-animation-class': 'fade',\n 'modal-in-class': 'in'\n });\n if (modal.backdropClass) {\n backdropDomEl.addClass(modal.backdropClass);\n }\n\n if (modal.animation) {\n backdropDomEl.attr('modal-animation', 'true');\n }\n $compile(backdropDomEl)(backdropScope);\n $animate.enter(backdropDomEl, appendToElement);\n if ($uibPosition.isScrollable(appendToElement)) {\n scrollbarPadding = $uibPosition.scrollbarPadding(appendToElement);\n if (scrollbarPadding.heightOverflow && scrollbarPadding.scrollbarWidth) {\n appendToElement.css({paddingRight: scrollbarPadding.right + 'px'});\n }\n }\n }\n\n var content;\n if (modal.component) {\n content = document.createElement(snake_case(modal.component.name));\n content = angular.element(content);\n content.attr({\n resolve: '$resolve',\n 'modal-instance': '$uibModalInstance',\n close: '$close($value)',\n dismiss: '$dismiss($value)'\n });\n } else {\n content = modal.content;\n }\n\n // Set the top modal index based on the index of the previous top modal\n topModalIndex = previousTopOpenedModal ? parseInt(previousTopOpenedModal.value.modalDomEl.attr('index'), 10) + 1 : 0;\n var angularDomEl = angular.element('');\n angularDomEl.attr({\n 'class': 'modal',\n 'template-url': modal.windowTemplateUrl,\n 'window-top-class': modal.windowTopClass,\n 'role': 'dialog',\n 'aria-labelledby': modal.ariaLabelledBy,\n 'aria-describedby': modal.ariaDescribedBy,\n 'size': modal.size,\n 'index': topModalIndex,\n 'animate': 'animate',\n 'ng-style': '{\\'z-index\\': 1050 + $$topModalIndex*10, display: \\'block\\'}',\n 'tabindex': -1,\n 'uib-modal-animation-class': 'fade',\n 'modal-in-class': 'in'\n }).append(content);\n if (modal.windowClass) {\n angularDomEl.addClass(modal.windowClass);\n }\n\n if (modal.animation) {\n angularDomEl.attr('modal-animation', 'true');\n }\n\n appendToElement.addClass(modalBodyClass);\n if (modal.scope) {\n // we need to explicitly add the modal index to the modal scope\n // because it is needed by ngStyle to compute the zIndex property.\n modal.scope.$$topModalIndex = topModalIndex;\n }\n $animate.enter($compile(angularDomEl)(modal.scope), appendToElement);\n\n openedWindows.top().value.modalDomEl = angularDomEl;\n openedWindows.top().value.modalOpener = modalOpener;\n\n applyAriaHidden(angularDomEl);\n\n function applyAriaHidden(el) {\n if (!el || el[0].tagName === 'BODY') {\n return;\n }\n\n getSiblings(el).forEach(function(sibling) {\n var elemIsAlreadyHidden = sibling.getAttribute('aria-hidden') === 'true',\n ariaHiddenCount = parseInt(sibling.getAttribute(ARIA_HIDDEN_ATTRIBUTE_NAME), 10);\n\n if (!ariaHiddenCount) {\n ariaHiddenCount = elemIsAlreadyHidden ? 1 : 0;\n }\n\n sibling.setAttribute(ARIA_HIDDEN_ATTRIBUTE_NAME, ariaHiddenCount + 1);\n sibling.setAttribute('aria-hidden', 'true');\n });\n\n return applyAriaHidden(el.parent());\n\n function getSiblings(el) {\n var children = el.parent() ? el.parent().children() : [];\n\n return Array.prototype.filter.call(children, function(child) {\n return child !== el[0];\n });\n }\n }\n };\n\n function broadcastClosing(modalWindow, resultOrReason, closing) {\n return !modalWindow.value.modalScope.$broadcast('modal.closing', resultOrReason, closing).defaultPrevented;\n }\n\n function unhideBackgroundElements() {\n Array.prototype.forEach.call(\n document.querySelectorAll('[' + ARIA_HIDDEN_ATTRIBUTE_NAME + ']'),\n function(hiddenEl) {\n var ariaHiddenCount = parseInt(hiddenEl.getAttribute(ARIA_HIDDEN_ATTRIBUTE_NAME), 10),\n newHiddenCount = ariaHiddenCount - 1;\n hiddenEl.setAttribute(ARIA_HIDDEN_ATTRIBUTE_NAME, newHiddenCount);\n\n if (!newHiddenCount) {\n hiddenEl.removeAttribute(ARIA_HIDDEN_ATTRIBUTE_NAME);\n hiddenEl.removeAttribute('aria-hidden');\n }\n }\n );\n }\n\n $modalStack.close = function(modalInstance, result) {\n var modalWindow = openedWindows.get(modalInstance);\n unhideBackgroundElements();\n if (modalWindow && broadcastClosing(modalWindow, result, true)) {\n modalWindow.value.modalScope.$$uibDestructionScheduled = true;\n modalWindow.value.deferred.resolve(result);\n removeModalWindow(modalInstance, modalWindow.value.modalOpener);\n return true;\n }\n\n return !modalWindow;\n };\n\n $modalStack.dismiss = function(modalInstance, reason) {\n var modalWindow = openedWindows.get(modalInstance);\n unhideBackgroundElements();\n if (modalWindow && broadcastClosing(modalWindow, reason, false)) {\n modalWindow.value.modalScope.$$uibDestructionScheduled = true;\n modalWindow.value.deferred.reject(reason);\n removeModalWindow(modalInstance, modalWindow.value.modalOpener);\n return true;\n }\n return !modalWindow;\n };\n\n $modalStack.dismissAll = function(reason) {\n var topModal = this.getTop();\n while (topModal && this.dismiss(topModal.key, reason)) {\n topModal = this.getTop();\n }\n };\n\n $modalStack.getTop = function() {\n return openedWindows.top();\n };\n\n $modalStack.modalRendered = function(modalInstance) {\n var modalWindow = openedWindows.get(modalInstance);\n if (modalWindow) {\n modalWindow.value.renderDeferred.resolve();\n }\n };\n\n $modalStack.focusFirstFocusableElement = function(list) {\n if (list.length > 0) {\n list[0].focus();\n return true;\n }\n return false;\n };\n\n $modalStack.focusLastFocusableElement = function(list) {\n if (list.length > 0) {\n list[list.length - 1].focus();\n return true;\n }\n return false;\n };\n\n $modalStack.isModalFocused = function(evt, modalWindow) {\n if (evt && modalWindow) {\n var modalDomEl = modalWindow.value.modalDomEl;\n if (modalDomEl && modalDomEl.length) {\n return (evt.target || evt.srcElement) === modalDomEl[0];\n }\n }\n return false;\n };\n\n $modalStack.isFocusInFirstItem = function(evt, list) {\n if (list.length > 0) {\n return (evt.target || evt.srcElement) === list[0];\n }\n return false;\n };\n\n $modalStack.isFocusInLastItem = function(evt, list) {\n if (list.length > 0) {\n return (evt.target || evt.srcElement) === list[list.length - 1];\n }\n return false;\n };\n\n $modalStack.loadFocusElementList = function(modalWindow) {\n if (modalWindow) {\n var modalDomE1 = modalWindow.value.modalDomEl;\n if (modalDomE1 && modalDomE1.length) {\n var elements = modalDomE1[0].querySelectorAll(tabbableSelector);\n return elements ?\n Array.prototype.filter.call(elements, function(element) {\n return isVisible(element);\n }) : elements;\n }\n }\n };\n\n return $modalStack;\n }])\n\n .provider('$uibModal', function() {\n var $modalProvider = {\n options: {\n animation: true,\n backdrop: true, //can also be false or 'static'\n keyboard: true\n },\n $get: ['$rootScope', '$q', '$document', '$templateRequest', '$controller', '$uibResolve', '$uibModalStack',\n function ($rootScope, $q, $document, $templateRequest, $controller, $uibResolve, $modalStack) {\n var $modal = {};\n\n function getTemplatePromise(options) {\n return options.template ? $q.when(options.template) :\n $templateRequest(angular.isFunction(options.templateUrl) ?\n options.templateUrl() : options.templateUrl);\n }\n\n var promiseChain = null;\n $modal.getPromiseChain = function() {\n return promiseChain;\n };\n\n $modal.open = function(modalOptions) {\n var modalResultDeferred = $q.defer();\n var modalOpenedDeferred = $q.defer();\n var modalClosedDeferred = $q.defer();\n var modalRenderDeferred = $q.defer();\n\n //prepare an instance of a modal to be injected into controllers and returned to a caller\n var modalInstance = {\n result: modalResultDeferred.promise,\n opened: modalOpenedDeferred.promise,\n closed: modalClosedDeferred.promise,\n rendered: modalRenderDeferred.promise,\n close: function (result) {\n return $modalStack.close(modalInstance, result);\n },\n dismiss: function (reason) {\n return $modalStack.dismiss(modalInstance, reason);\n }\n };\n\n //merge and clean up options\n modalOptions = angular.extend({}, $modalProvider.options, modalOptions);\n modalOptions.resolve = modalOptions.resolve || {};\n modalOptions.appendTo = modalOptions.appendTo || $document.find('body').eq(0);\n\n if (!modalOptions.appendTo.length) {\n throw new Error('appendTo element not found. Make sure that the element passed is in DOM.');\n }\n\n //verify options\n if (!modalOptions.component && !modalOptions.template && !modalOptions.templateUrl) {\n throw new Error('One of component or template or templateUrl options is required.');\n }\n\n var templateAndResolvePromise;\n if (modalOptions.component) {\n templateAndResolvePromise = $q.when($uibResolve.resolve(modalOptions.resolve, {}, null, null));\n } else {\n templateAndResolvePromise =\n $q.all([getTemplatePromise(modalOptions), $uibResolve.resolve(modalOptions.resolve, {}, null, null)]);\n }\n\n function resolveWithTemplate() {\n return templateAndResolvePromise;\n }\n\n // Wait for the resolution of the existing promise chain.\n // Then switch to our own combined promise dependency (regardless of how the previous modal fared).\n // Then add to $modalStack and resolve opened.\n // Finally clean up the chain variable if no subsequent modal has overwritten it.\n var samePromise;\n samePromise = promiseChain = $q.all([promiseChain])\n .then(resolveWithTemplate, resolveWithTemplate)\n .then(function resolveSuccess(tplAndVars) {\n var providedScope = modalOptions.scope || $rootScope;\n\n var modalScope = providedScope.$new();\n modalScope.$close = modalInstance.close;\n modalScope.$dismiss = modalInstance.dismiss;\n\n modalScope.$on('$destroy', function() {\n if (!modalScope.$$uibDestructionScheduled) {\n modalScope.$dismiss('$uibUnscheduledDestruction');\n }\n });\n\n var modal = {\n scope: modalScope,\n deferred: modalResultDeferred,\n renderDeferred: modalRenderDeferred,\n closedDeferred: modalClosedDeferred,\n animation: modalOptions.animation,\n backdrop: modalOptions.backdrop,\n keyboard: modalOptions.keyboard,\n backdropClass: modalOptions.backdropClass,\n windowTopClass: modalOptions.windowTopClass,\n windowClass: modalOptions.windowClass,\n windowTemplateUrl: modalOptions.windowTemplateUrl,\n ariaLabelledBy: modalOptions.ariaLabelledBy,\n ariaDescribedBy: modalOptions.ariaDescribedBy,\n size: modalOptions.size,\n openedClass: modalOptions.openedClass,\n appendTo: modalOptions.appendTo\n };\n\n var component = {};\n var ctrlInstance, ctrlInstantiate, ctrlLocals = {};\n\n if (modalOptions.component) {\n constructLocals(component, false, true, false);\n component.name = modalOptions.component;\n modal.component = component;\n } else if (modalOptions.controller) {\n constructLocals(ctrlLocals, true, false, true);\n\n // the third param will make the controller instantiate later,private api\n // @see https://github.com/angular/angular.js/blob/master/src/ng/controller.js#L126\n ctrlInstantiate = $controller(modalOptions.controller, ctrlLocals, true, modalOptions.controllerAs);\n if (modalOptions.controllerAs && modalOptions.bindToController) {\n ctrlInstance = ctrlInstantiate.instance;\n ctrlInstance.$close = modalScope.$close;\n ctrlInstance.$dismiss = modalScope.$dismiss;\n angular.extend(ctrlInstance, {\n $resolve: ctrlLocals.$scope.$resolve\n }, providedScope);\n }\n\n ctrlInstance = ctrlInstantiate();\n\n if (angular.isFunction(ctrlInstance.$onInit)) {\n ctrlInstance.$onInit();\n }\n }\n\n if (!modalOptions.component) {\n modal.content = tplAndVars[0];\n }\n\n $modalStack.open(modalInstance, modal);\n modalOpenedDeferred.resolve(true);\n\n function constructLocals(obj, template, instanceOnScope, injectable) {\n obj.$scope = modalScope;\n obj.$scope.$resolve = {};\n if (instanceOnScope) {\n obj.$scope.$uibModalInstance = modalInstance;\n } else {\n obj.$uibModalInstance = modalInstance;\n }\n\n var resolves = template ? tplAndVars[1] : tplAndVars;\n angular.forEach(resolves, function(value, key) {\n if (injectable) {\n obj[key] = value;\n }\n\n obj.$scope.$resolve[key] = value;\n });\n }\n }, function resolveError(reason) {\n modalOpenedDeferred.reject(reason);\n modalResultDeferred.reject(reason);\n })['finally'](function() {\n if (promiseChain === samePromise) {\n promiseChain = null;\n }\n });\n\n return modalInstance;\n };\n\n return $modal;\n }\n ]\n };\n\n return $modalProvider;\n });\n\nangular.module('ui.bootstrap.paging', [])\n/**\n * Helper internal service for generating common controller code between the\n * pager and pagination components\n */\n.factory('uibPaging', ['$parse', function($parse) {\n return {\n create: function(ctrl, $scope, $attrs) {\n ctrl.setNumPages = $attrs.numPages ? $parse($attrs.numPages).assign : angular.noop;\n ctrl.ngModelCtrl = { $setViewValue: angular.noop }; // nullModelCtrl\n ctrl._watchers = [];\n\n ctrl.init = function(ngModelCtrl, config) {\n ctrl.ngModelCtrl = ngModelCtrl;\n ctrl.config = config;\n\n ngModelCtrl.$render = function() {\n ctrl.render();\n };\n\n if ($attrs.itemsPerPage) {\n ctrl._watchers.push($scope.$parent.$watch($attrs.itemsPerPage, function(value) {\n ctrl.itemsPerPage = parseInt(value, 10);\n $scope.totalPages = ctrl.calculateTotalPages();\n ctrl.updatePage();\n }));\n } else {\n ctrl.itemsPerPage = config.itemsPerPage;\n }\n\n $scope.$watch('totalItems', function(newTotal, oldTotal) {\n if (angular.isDefined(newTotal) || newTotal !== oldTotal) {\n $scope.totalPages = ctrl.calculateTotalPages();\n ctrl.updatePage();\n }\n });\n };\n\n ctrl.calculateTotalPages = function() {\n var totalPages = ctrl.itemsPerPage < 1 ? 1 : Math.ceil($scope.totalItems / ctrl.itemsPerPage);\n return Math.max(totalPages || 0, 1);\n };\n\n ctrl.render = function() {\n $scope.page = parseInt(ctrl.ngModelCtrl.$viewValue, 10) || 1;\n };\n\n $scope.selectPage = function(page, evt) {\n if (evt) {\n evt.preventDefault();\n }\n\n var clickAllowed = !$scope.ngDisabled || !evt;\n if (clickAllowed && $scope.page !== page && page > 0 && page <= $scope.totalPages) {\n if (evt && evt.target) {\n evt.target.blur();\n }\n ctrl.ngModelCtrl.$setViewValue(page);\n ctrl.ngModelCtrl.$render();\n }\n };\n\n $scope.getText = function(key) {\n return $scope[key + 'Text'] || ctrl.config[key + 'Text'];\n };\n\n $scope.noPrevious = function() {\n return $scope.page === 1;\n };\n\n $scope.noNext = function() {\n return $scope.page === $scope.totalPages;\n };\n\n ctrl.updatePage = function() {\n ctrl.setNumPages($scope.$parent, $scope.totalPages); // Readonly variable\n\n if ($scope.page > $scope.totalPages) {\n $scope.selectPage($scope.totalPages);\n } else {\n ctrl.ngModelCtrl.$render();\n }\n };\n\n $scope.$on('$destroy', function() {\n while (ctrl._watchers.length) {\n ctrl._watchers.shift()();\n }\n });\n }\n };\n}]);\n\nangular.module('ui.bootstrap.pager', ['ui.bootstrap.paging', 'ui.bootstrap.tabindex'])\n\n.controller('UibPagerController', ['$scope', '$attrs', 'uibPaging', 'uibPagerConfig', function($scope, $attrs, uibPaging, uibPagerConfig) {\n $scope.align = angular.isDefined($attrs.align) ? $scope.$parent.$eval($attrs.align) : uibPagerConfig.align;\n\n uibPaging.create(this, $scope, $attrs);\n}])\n\n.constant('uibPagerConfig', {\n itemsPerPage: 10,\n previousText: '« Previous',\n nextText: 'Next »',\n align: true\n})\n\n.directive('uibPager', ['uibPagerConfig', function(uibPagerConfig) {\n return {\n scope: {\n totalItems: '=',\n previousText: '@',\n nextText: '@',\n ngDisabled: '='\n },\n require: ['uibPager', '?ngModel'],\n restrict: 'A',\n controller: 'UibPagerController',\n controllerAs: 'pager',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/pager/pager.html';\n },\n link: function(scope, element, attrs, ctrls) {\n element.addClass('pager');\n var paginationCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n\n if (!ngModelCtrl) {\n return; // do nothing if no ng-model\n }\n\n paginationCtrl.init(ngModelCtrl, uibPagerConfig);\n }\n };\n}]);\n\nangular.module('ui.bootstrap.pagination', ['ui.bootstrap.paging', 'ui.bootstrap.tabindex'])\n.controller('UibPaginationController', ['$scope', '$attrs', '$parse', 'uibPaging', 'uibPaginationConfig', function($scope, $attrs, $parse, uibPaging, uibPaginationConfig) {\n var ctrl = this;\n // Setup configuration parameters\n var maxSize = angular.isDefined($attrs.maxSize) ? $scope.$parent.$eval($attrs.maxSize) : uibPaginationConfig.maxSize,\n rotate = angular.isDefined($attrs.rotate) ? $scope.$parent.$eval($attrs.rotate) : uibPaginationConfig.rotate,\n forceEllipses = angular.isDefined($attrs.forceEllipses) ? $scope.$parent.$eval($attrs.forceEllipses) : uibPaginationConfig.forceEllipses,\n boundaryLinkNumbers = angular.isDefined($attrs.boundaryLinkNumbers) ? $scope.$parent.$eval($attrs.boundaryLinkNumbers) : uibPaginationConfig.boundaryLinkNumbers,\n pageLabel = angular.isDefined($attrs.pageLabel) ? function(idx) { return $scope.$parent.$eval($attrs.pageLabel, {$page: idx}); } : angular.identity;\n $scope.boundaryLinks = angular.isDefined($attrs.boundaryLinks) ? $scope.$parent.$eval($attrs.boundaryLinks) : uibPaginationConfig.boundaryLinks;\n $scope.directionLinks = angular.isDefined($attrs.directionLinks) ? $scope.$parent.$eval($attrs.directionLinks) : uibPaginationConfig.directionLinks;\n $attrs.$set('role', 'menu');\n\n uibPaging.create(this, $scope, $attrs);\n\n if ($attrs.maxSize) {\n ctrl._watchers.push($scope.$parent.$watch($parse($attrs.maxSize), function(value) {\n maxSize = parseInt(value, 10);\n ctrl.render();\n }));\n }\n\n // Create page object used in template\n function makePage(number, text, isActive) {\n return {\n number: number,\n text: text,\n active: isActive\n };\n }\n\n function getPages(currentPage, totalPages) {\n var pages = [];\n\n // Default page limits\n var startPage = 1, endPage = totalPages;\n var isMaxSized = angular.isDefined(maxSize) && maxSize < totalPages;\n\n // recompute if maxSize\n if (isMaxSized) {\n if (rotate) {\n // Current page is displayed in the middle of the visible ones\n startPage = Math.max(currentPage - Math.floor(maxSize / 2), 1);\n endPage = startPage + maxSize - 1;\n\n // Adjust if limit is exceeded\n if (endPage > totalPages) {\n endPage = totalPages;\n startPage = endPage - maxSize + 1;\n }\n } else {\n // Visible pages are paginated with maxSize\n startPage = (Math.ceil(currentPage / maxSize) - 1) * maxSize + 1;\n\n // Adjust last page if limit is exceeded\n endPage = Math.min(startPage + maxSize - 1, totalPages);\n }\n }\n\n // Add page number links\n for (var number = startPage; number <= endPage; number++) {\n var page = makePage(number, pageLabel(number), number === currentPage);\n pages.push(page);\n }\n\n // Add links to move between page sets\n if (isMaxSized && maxSize > 0 && (!rotate || forceEllipses || boundaryLinkNumbers)) {\n if (startPage > 1) {\n if (!boundaryLinkNumbers || startPage > 3) { //need ellipsis for all options unless range is too close to beginning\n var previousPageSet = makePage(startPage - 1, '...', false);\n pages.unshift(previousPageSet);\n }\n if (boundaryLinkNumbers) {\n if (startPage === 3) { //need to replace ellipsis when the buttons would be sequential\n var secondPageLink = makePage(2, '2', false);\n pages.unshift(secondPageLink);\n }\n //add the first page\n var firstPageLink = makePage(1, '1', false);\n pages.unshift(firstPageLink);\n }\n }\n\n if (endPage < totalPages) {\n if (!boundaryLinkNumbers || endPage < totalPages - 2) { //need ellipsis for all options unless range is too close to end\n var nextPageSet = makePage(endPage + 1, '...', false);\n pages.push(nextPageSet);\n }\n if (boundaryLinkNumbers) {\n if (endPage === totalPages - 2) { //need to replace ellipsis when the buttons would be sequential\n var secondToLastPageLink = makePage(totalPages - 1, totalPages - 1, false);\n pages.push(secondToLastPageLink);\n }\n //add the last page\n var lastPageLink = makePage(totalPages, totalPages, false);\n pages.push(lastPageLink);\n }\n }\n }\n return pages;\n }\n\n var originalRender = this.render;\n this.render = function() {\n originalRender();\n if ($scope.page > 0 && $scope.page <= $scope.totalPages) {\n $scope.pages = getPages($scope.page, $scope.totalPages);\n }\n };\n}])\n\n.constant('uibPaginationConfig', {\n itemsPerPage: 10,\n boundaryLinks: false,\n boundaryLinkNumbers: false,\n directionLinks: true,\n firstText: 'First',\n previousText: 'Previous',\n nextText: 'Next',\n lastText: 'Last',\n rotate: true,\n forceEllipses: false\n})\n\n.directive('uibPagination', ['$parse', 'uibPaginationConfig', function($parse, uibPaginationConfig) {\n return {\n scope: {\n totalItems: '=',\n firstText: '@',\n previousText: '@',\n nextText: '@',\n lastText: '@',\n ngDisabled:'='\n },\n require: ['uibPagination', '?ngModel'],\n restrict: 'A',\n controller: 'UibPaginationController',\n controllerAs: 'pagination',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/pagination/pagination.html';\n },\n link: function(scope, element, attrs, ctrls) {\n element.addClass('pagination');\n var paginationCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n\n if (!ngModelCtrl) {\n return; // do nothing if no ng-model\n }\n\n paginationCtrl.init(ngModelCtrl, uibPaginationConfig);\n }\n };\n}]);\n\n/**\n * The following features are still outstanding: animation as a\n * function, placement as a function, inside, support for more triggers than\n * just mouse enter/leave, html tooltips, and selector delegation.\n */\nangular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position', 'ui.bootstrap.stackedMap'])\n\n/**\n * The $tooltip service creates tooltip- and popover-like directives as well as\n * houses global options for them.\n */\n.provider('$uibTooltip', function() {\n // The default options tooltip and popover.\n var defaultOptions = {\n placement: 'top',\n placementClassPrefix: '',\n animation: true,\n popupDelay: 0,\n popupCloseDelay: 0,\n useContentExp: false\n };\n\n // Default hide triggers for each show trigger\n var triggerMap = {\n 'mouseenter': 'mouseleave',\n 'click': 'click',\n 'outsideClick': 'outsideClick',\n 'focus': 'blur',\n 'none': ''\n };\n\n // The options specified to the provider globally.\n var globalOptions = {};\n\n /**\n * `options({})` allows global configuration of all tooltips in the\n * application.\n *\n * var app = angular.module( 'App', ['ui.bootstrap.tooltip'], function( $tooltipProvider ) {\n * // place tooltips left instead of top by default\n * $tooltipProvider.options( { placement: 'left' } );\n * });\n */\n\tthis.options = function(value) {\n\t\tangular.extend(globalOptions, value);\n\t};\n\n /**\n * This allows you to extend the set of trigger mappings available. E.g.:\n *\n * $tooltipProvider.setTriggers( { 'openTrigger': 'closeTrigger' } );\n */\n this.setTriggers = function setTriggers(triggers) {\n angular.extend(triggerMap, triggers);\n };\n\n /**\n * This is a helper function for translating camel-case to snake_case.\n */\n function snake_case(name) {\n var regexp = /[A-Z]/g;\n var separator = '-';\n return name.replace(regexp, function(letter, pos) {\n return (pos ? separator : '') + letter.toLowerCase();\n });\n }\n\n /**\n * Returns the actual instance of the $tooltip service.\n * TODO support multiple triggers\n */\n this.$get = ['$window', '$compile', '$timeout', '$document', '$uibPosition', '$interpolate', '$rootScope', '$parse', '$$stackedMap', function($window, $compile, $timeout, $document, $position, $interpolate, $rootScope, $parse, $$stackedMap) {\n var openedTooltips = $$stackedMap.createNew();\n $document.on('keyup', keypressListener);\n\n $rootScope.$on('$destroy', function() {\n $document.off('keyup', keypressListener);\n });\n\n function keypressListener(e) {\n if (e.which === 27) {\n var last = openedTooltips.top();\n if (last) {\n last.value.close();\n last = null;\n }\n }\n }\n\n return function $tooltip(ttType, prefix, defaultTriggerShow, options) {\n options = angular.extend({}, defaultOptions, globalOptions, options);\n\n /**\n * Returns an object of show and hide triggers.\n *\n * If a trigger is supplied,\n * it is used to show the tooltip; otherwise, it will use the `trigger`\n * option passed to the `$tooltipProvider.options` method; else it will\n * default to the trigger supplied to this directive factory.\n *\n * The hide trigger is based on the show trigger. If the `trigger` option\n * was passed to the `$tooltipProvider.options` method, it will use the\n * mapped trigger from `triggerMap` or the passed trigger if the map is\n * undefined; otherwise, it uses the `triggerMap` value of the show\n * trigger; else it will just use the show trigger.\n */\n function getTriggers(trigger) {\n var show = (trigger || options.trigger || defaultTriggerShow).split(' ');\n var hide = show.map(function(trigger) {\n return triggerMap[trigger] || trigger;\n });\n return {\n show: show,\n hide: hide\n };\n }\n\n var directiveName = snake_case(ttType);\n\n var startSym = $interpolate.startSymbol();\n var endSym = $interpolate.endSymbol();\n var template =\n '' +\n '
';\n\n return {\n compile: function(tElem, tAttrs) {\n var tooltipLinker = $compile(template);\n\n return function link(scope, element, attrs, tooltipCtrl) {\n var tooltip;\n var tooltipLinkedScope;\n var transitionTimeout;\n var showTimeout;\n var hideTimeout;\n var positionTimeout;\n var adjustmentTimeout;\n var appendToBody = angular.isDefined(options.appendToBody) ? options.appendToBody : false;\n var triggers = getTriggers(undefined);\n var hasEnableExp = angular.isDefined(attrs[prefix + 'Enable']);\n var ttScope = scope.$new(true);\n var repositionScheduled = false;\n var isOpenParse = angular.isDefined(attrs[prefix + 'IsOpen']) ? $parse(attrs[prefix + 'IsOpen']) : false;\n var contentParse = options.useContentExp ? $parse(attrs[ttType]) : false;\n var observers = [];\n var lastPlacement;\n\n var positionTooltip = function() {\n // check if tooltip exists and is not empty\n if (!tooltip || !tooltip.html()) { return; }\n\n if (!positionTimeout) {\n positionTimeout = $timeout(function() {\n var ttPosition = $position.positionElements(element, tooltip, ttScope.placement, appendToBody);\n var initialHeight = angular.isDefined(tooltip.offsetHeight) ? tooltip.offsetHeight : tooltip.prop('offsetHeight');\n var elementPos = appendToBody ? $position.offset(element) : $position.position(element);\n tooltip.css({ top: ttPosition.top + 'px', left: ttPosition.left + 'px' });\n var placementClasses = ttPosition.placement.split('-');\n\n if (!tooltip.hasClass(placementClasses[0])) {\n tooltip.removeClass(lastPlacement.split('-')[0]);\n tooltip.addClass(placementClasses[0]);\n }\n\n if (!tooltip.hasClass(options.placementClassPrefix + ttPosition.placement)) {\n tooltip.removeClass(options.placementClassPrefix + lastPlacement);\n tooltip.addClass(options.placementClassPrefix + ttPosition.placement);\n }\n\n adjustmentTimeout = $timeout(function() {\n var currentHeight = angular.isDefined(tooltip.offsetHeight) ? tooltip.offsetHeight : tooltip.prop('offsetHeight');\n var adjustment = $position.adjustTop(placementClasses, elementPos, initialHeight, currentHeight);\n if (adjustment) {\n tooltip.css(adjustment);\n }\n adjustmentTimeout = null;\n }, 0, false);\n\n // first time through tt element will have the\n // uib-position-measure class or if the placement\n // has changed we need to position the arrow.\n if (tooltip.hasClass('uib-position-measure')) {\n $position.positionArrow(tooltip, ttPosition.placement);\n tooltip.removeClass('uib-position-measure');\n } else if (lastPlacement !== ttPosition.placement) {\n $position.positionArrow(tooltip, ttPosition.placement);\n }\n lastPlacement = ttPosition.placement;\n\n positionTimeout = null;\n }, 0, false);\n }\n };\n\n // Set up the correct scope to allow transclusion later\n ttScope.origScope = scope;\n\n // By default, the tooltip is not open.\n // TODO add ability to start tooltip opened\n ttScope.isOpen = false;\n\n function toggleTooltipBind() {\n if (!ttScope.isOpen) {\n showTooltipBind();\n } else {\n hideTooltipBind();\n }\n }\n\n // Show the tooltip with delay if specified, otherwise show it immediately\n function showTooltipBind() {\n if (hasEnableExp && !scope.$eval(attrs[prefix + 'Enable'])) {\n return;\n }\n\n cancelHide();\n prepareTooltip();\n\n if (ttScope.popupDelay) {\n // Do nothing if the tooltip was already scheduled to pop-up.\n // This happens if show is triggered multiple times before any hide is triggered.\n if (!showTimeout) {\n showTimeout = $timeout(show, ttScope.popupDelay, false);\n }\n } else {\n show();\n }\n }\n\n function hideTooltipBind() {\n cancelShow();\n\n if (ttScope.popupCloseDelay) {\n if (!hideTimeout) {\n hideTimeout = $timeout(hide, ttScope.popupCloseDelay, false);\n }\n } else {\n hide();\n }\n }\n\n // Show the tooltip popup element.\n function show() {\n cancelShow();\n cancelHide();\n\n // Don't show empty tooltips.\n if (!ttScope.content) {\n return angular.noop;\n }\n\n createTooltip();\n\n // And show the tooltip.\n ttScope.$evalAsync(function() {\n ttScope.isOpen = true;\n assignIsOpen(true);\n positionTooltip();\n });\n }\n\n function cancelShow() {\n if (showTimeout) {\n $timeout.cancel(showTimeout);\n showTimeout = null;\n }\n\n if (positionTimeout) {\n $timeout.cancel(positionTimeout);\n positionTimeout = null;\n }\n }\n\n // Hide the tooltip popup element.\n function hide() {\n if (!ttScope) {\n return;\n }\n\n // First things first: we don't show it anymore.\n ttScope.$evalAsync(function() {\n if (ttScope) {\n ttScope.isOpen = false;\n assignIsOpen(false);\n // And now we remove it from the DOM. However, if we have animation, we\n // need to wait for it to expire beforehand.\n // FIXME: this is a placeholder for a port of the transitions library.\n // The fade transition in TWBS is 150ms.\n if (ttScope.animation) {\n if (!transitionTimeout) {\n transitionTimeout = $timeout(removeTooltip, 150, false);\n }\n } else {\n removeTooltip();\n }\n }\n });\n }\n\n function cancelHide() {\n if (hideTimeout) {\n $timeout.cancel(hideTimeout);\n hideTimeout = null;\n }\n\n if (transitionTimeout) {\n $timeout.cancel(transitionTimeout);\n transitionTimeout = null;\n }\n }\n\n function createTooltip() {\n // There can only be one tooltip element per directive shown at once.\n if (tooltip) {\n return;\n }\n\n tooltipLinkedScope = ttScope.$new();\n tooltip = tooltipLinker(tooltipLinkedScope, function(tooltip) {\n if (appendToBody) {\n $document.find('body').append(tooltip);\n } else {\n element.after(tooltip);\n }\n });\n\n openedTooltips.add(ttScope, {\n close: hide\n });\n\n prepObservers();\n }\n\n function removeTooltip() {\n cancelShow();\n cancelHide();\n unregisterObservers();\n\n if (tooltip) {\n tooltip.remove();\n \n tooltip = null;\n if (adjustmentTimeout) {\n $timeout.cancel(adjustmentTimeout);\n }\n }\n\n openedTooltips.remove(ttScope);\n \n if (tooltipLinkedScope) {\n tooltipLinkedScope.$destroy();\n tooltipLinkedScope = null;\n }\n }\n\n /**\n * Set the initial scope values. Once\n * the tooltip is created, the observers\n * will be added to keep things in sync.\n */\n function prepareTooltip() {\n ttScope.title = attrs[prefix + 'Title'];\n if (contentParse) {\n ttScope.content = contentParse(scope);\n } else {\n ttScope.content = attrs[ttType];\n }\n\n ttScope.popupClass = attrs[prefix + 'Class'];\n ttScope.placement = angular.isDefined(attrs[prefix + 'Placement']) ? attrs[prefix + 'Placement'] : options.placement;\n var placement = $position.parsePlacement(ttScope.placement);\n lastPlacement = placement[1] ? placement[0] + '-' + placement[1] : placement[0];\n\n var delay = parseInt(attrs[prefix + 'PopupDelay'], 10);\n var closeDelay = parseInt(attrs[prefix + 'PopupCloseDelay'], 10);\n ttScope.popupDelay = !isNaN(delay) ? delay : options.popupDelay;\n ttScope.popupCloseDelay = !isNaN(closeDelay) ? closeDelay : options.popupCloseDelay;\n }\n\n function assignIsOpen(isOpen) {\n if (isOpenParse && angular.isFunction(isOpenParse.assign)) {\n isOpenParse.assign(scope, isOpen);\n }\n }\n\n ttScope.contentExp = function() {\n return ttScope.content;\n };\n\n /**\n * Observe the relevant attributes.\n */\n attrs.$observe('disabled', function(val) {\n if (val) {\n cancelShow();\n }\n\n if (val && ttScope.isOpen) {\n hide();\n }\n });\n\n if (isOpenParse) {\n scope.$watch(isOpenParse, function(val) {\n if (ttScope && !val === ttScope.isOpen) {\n toggleTooltipBind();\n }\n });\n }\n\n function prepObservers() {\n observers.length = 0;\n\n if (contentParse) {\n observers.push(\n scope.$watch(contentParse, function(val) {\n ttScope.content = val;\n if (!val && ttScope.isOpen) {\n hide();\n }\n })\n );\n\n observers.push(\n tooltipLinkedScope.$watch(function() {\n if (!repositionScheduled) {\n repositionScheduled = true;\n tooltipLinkedScope.$$postDigest(function() {\n repositionScheduled = false;\n if (ttScope && ttScope.isOpen) {\n positionTooltip();\n }\n });\n }\n })\n );\n } else {\n observers.push(\n attrs.$observe(ttType, function(val) {\n ttScope.content = val;\n if (!val && ttScope.isOpen) {\n hide();\n } else {\n positionTooltip();\n }\n })\n );\n }\n\n observers.push(\n attrs.$observe(prefix + 'Title', function(val) {\n ttScope.title = val;\n if (ttScope.isOpen) {\n positionTooltip();\n }\n })\n );\n\n observers.push(\n attrs.$observe(prefix + 'Placement', function(val) {\n ttScope.placement = val ? val : options.placement;\n if (ttScope.isOpen) {\n positionTooltip();\n }\n })\n );\n }\n\n function unregisterObservers() {\n if (observers.length) {\n angular.forEach(observers, function(observer) {\n observer();\n });\n observers.length = 0;\n }\n }\n\n // hide tooltips/popovers for outsideClick trigger\n function bodyHideTooltipBind(e) {\n if (!ttScope || !ttScope.isOpen || !tooltip) {\n return;\n }\n // make sure the tooltip/popover link or tool tooltip/popover itself were not clicked\n if (!element[0].contains(e.target) && !tooltip[0].contains(e.target)) {\n hideTooltipBind();\n }\n }\n\n // KeyboardEvent handler to hide the tooltip on Escape key press\n function hideOnEscapeKey(e) {\n if (e.which === 27) {\n hideTooltipBind();\n }\n }\n\n var unregisterTriggers = function() {\n triggers.show.forEach(function(trigger) {\n if (trigger === 'outsideClick') {\n element.off('click', toggleTooltipBind);\n } else {\n element.off(trigger, showTooltipBind);\n element.off(trigger, toggleTooltipBind);\n }\n element.off('keypress', hideOnEscapeKey);\n });\n triggers.hide.forEach(function(trigger) {\n if (trigger === 'outsideClick') {\n $document.off('click', bodyHideTooltipBind);\n } else {\n element.off(trigger, hideTooltipBind);\n }\n });\n };\n\n function prepTriggers() {\n var showTriggers = [], hideTriggers = [];\n var val = scope.$eval(attrs[prefix + 'Trigger']);\n unregisterTriggers();\n\n if (angular.isObject(val)) {\n Object.keys(val).forEach(function(key) {\n showTriggers.push(key);\n hideTriggers.push(val[key]);\n });\n triggers = {\n show: showTriggers,\n hide: hideTriggers\n };\n } else {\n triggers = getTriggers(val);\n }\n\n if (triggers.show !== 'none') {\n triggers.show.forEach(function(trigger, idx) {\n if (trigger === 'outsideClick') {\n element.on('click', toggleTooltipBind);\n $document.on('click', bodyHideTooltipBind);\n } else if (trigger === triggers.hide[idx]) {\n element.on(trigger, toggleTooltipBind);\n } else if (trigger) {\n element.on(trigger, showTooltipBind);\n element.on(triggers.hide[idx], hideTooltipBind);\n }\n element.on('keypress', hideOnEscapeKey);\n });\n }\n }\n\n prepTriggers();\n\n var animation = scope.$eval(attrs[prefix + 'Animation']);\n ttScope.animation = angular.isDefined(animation) ? !!animation : options.animation;\n\n var appendToBodyVal;\n var appendKey = prefix + 'AppendToBody';\n if (appendKey in attrs && attrs[appendKey] === undefined) {\n appendToBodyVal = true;\n } else {\n appendToBodyVal = scope.$eval(attrs[appendKey]);\n }\n\n appendToBody = angular.isDefined(appendToBodyVal) ? appendToBodyVal : appendToBody;\n\n // Make sure tooltip is destroyed and removed.\n scope.$on('$destroy', function onDestroyTooltip() {\n unregisterTriggers();\n removeTooltip();\n ttScope = null;\n });\n };\n }\n };\n };\n }];\n})\n\n// This is mostly ngInclude code but with a custom scope\n.directive('uibTooltipTemplateTransclude', [\n '$animate', '$sce', '$compile', '$templateRequest',\nfunction ($animate, $sce, $compile, $templateRequest) {\n return {\n link: function(scope, elem, attrs) {\n var origScope = scope.$eval(attrs.tooltipTemplateTranscludeScope);\n\n var changeCounter = 0,\n currentScope,\n previousElement,\n currentElement;\n\n var cleanupLastIncludeContent = function() {\n if (previousElement) {\n previousElement.remove();\n previousElement = null;\n }\n\n if (currentScope) {\n currentScope.$destroy();\n currentScope = null;\n }\n\n if (currentElement) {\n $animate.leave(currentElement).then(function() {\n previousElement = null;\n });\n previousElement = currentElement;\n currentElement = null;\n }\n };\n\n scope.$watch($sce.parseAsResourceUrl(attrs.uibTooltipTemplateTransclude), function(src) {\n var thisChangeId = ++changeCounter;\n\n if (src) {\n //set the 2nd param to true to ignore the template request error so that the inner\n //contents and scope can be cleaned up.\n $templateRequest(src, true).then(function(response) {\n if (thisChangeId !== changeCounter) { return; }\n var newScope = origScope.$new();\n var template = response;\n\n var clone = $compile(template)(newScope, function(clone) {\n cleanupLastIncludeContent();\n $animate.enter(clone, elem);\n });\n\n currentScope = newScope;\n currentElement = clone;\n\n currentScope.$emit('$includeContentLoaded', src);\n }, function() {\n if (thisChangeId === changeCounter) {\n cleanupLastIncludeContent();\n scope.$emit('$includeContentError', src);\n }\n });\n scope.$emit('$includeContentRequested', src);\n } else {\n cleanupLastIncludeContent();\n }\n });\n\n scope.$on('$destroy', cleanupLastIncludeContent);\n }\n };\n}])\n\n/**\n * Note that it's intentional that these classes are *not* applied through $animate.\n * They must not be animated as they're expected to be present on the tooltip on\n * initialization.\n */\n.directive('uibTooltipClasses', ['$uibPosition', function($uibPosition) {\n return {\n restrict: 'A',\n link: function(scope, element, attrs) {\n // need to set the primary position so the\n // arrow has space during position measure.\n // tooltip.positionTooltip()\n if (scope.placement) {\n // // There are no top-left etc... classes\n // // in TWBS, so we need the primary position.\n var position = $uibPosition.parsePlacement(scope.placement);\n element.addClass(position[0]);\n }\n\n if (scope.popupClass) {\n element.addClass(scope.popupClass);\n }\n\n if (scope.animation) {\n element.addClass(attrs.tooltipAnimationClass);\n }\n }\n };\n}])\n\n.directive('uibTooltipPopup', function() {\n return {\n restrict: 'A',\n scope: { content: '@' },\n templateUrl: 'uib/template/tooltip/tooltip-popup.html'\n };\n})\n\n.directive('uibTooltip', [ '$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibTooltip', 'tooltip', 'mouseenter');\n}])\n\n.directive('uibTooltipTemplatePopup', function() {\n return {\n restrict: 'A',\n scope: { contentExp: '&', originScope: '&' },\n templateUrl: 'uib/template/tooltip/tooltip-template-popup.html'\n };\n})\n\n.directive('uibTooltipTemplate', ['$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibTooltipTemplate', 'tooltip', 'mouseenter', {\n useContentExp: true\n });\n}])\n\n.directive('uibTooltipHtmlPopup', function() {\n return {\n restrict: 'A',\n scope: { contentExp: '&' },\n templateUrl: 'uib/template/tooltip/tooltip-html-popup.html'\n };\n})\n\n.directive('uibTooltipHtml', ['$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibTooltipHtml', 'tooltip', 'mouseenter', {\n useContentExp: true\n });\n}]);\n\n/**\n * The following features are still outstanding: popup delay, animation as a\n * function, placement as a function, inside, support for more triggers than\n * just mouse enter/leave, and selector delegatation.\n */\nangular.module('ui.bootstrap.popover', ['ui.bootstrap.tooltip'])\n\n.directive('uibPopoverTemplatePopup', function() {\n return {\n restrict: 'A',\n scope: { uibTitle: '@', contentExp: '&', originScope: '&' },\n templateUrl: 'uib/template/popover/popover-template.html'\n };\n})\n\n.directive('uibPopoverTemplate', ['$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibPopoverTemplate', 'popover', 'click', {\n useContentExp: true\n });\n}])\n\n.directive('uibPopoverHtmlPopup', function() {\n return {\n restrict: 'A',\n scope: { contentExp: '&', uibTitle: '@' },\n templateUrl: 'uib/template/popover/popover-html.html'\n };\n})\n\n.directive('uibPopoverHtml', ['$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibPopoverHtml', 'popover', 'click', {\n useContentExp: true\n });\n}])\n\n.directive('uibPopoverPopup', function() {\n return {\n restrict: 'A',\n scope: { uibTitle: '@', content: '@' },\n templateUrl: 'uib/template/popover/popover.html'\n };\n})\n\n.directive('uibPopover', ['$uibTooltip', function($uibTooltip) {\n return $uibTooltip('uibPopover', 'popover', 'click');\n}]);\n\nangular.module('ui.bootstrap.progressbar', [])\n\n.constant('uibProgressConfig', {\n animate: true,\n max: 100\n})\n\n.controller('UibProgressController', ['$scope', '$attrs', 'uibProgressConfig', function($scope, $attrs, progressConfig) {\n var self = this,\n animate = angular.isDefined($attrs.animate) ? $scope.$parent.$eval($attrs.animate) : progressConfig.animate;\n\n this.bars = [];\n $scope.max = getMaxOrDefault();\n\n this.addBar = function(bar, element, attrs) {\n if (!animate) {\n element.css({'transition': 'none'});\n }\n\n this.bars.push(bar);\n\n bar.max = getMaxOrDefault();\n bar.title = attrs && angular.isDefined(attrs.title) ? attrs.title : 'progressbar';\n\n bar.$watch('value', function(value) {\n bar.recalculatePercentage();\n });\n\n bar.recalculatePercentage = function() {\n var totalPercentage = self.bars.reduce(function(total, bar) {\n bar.percent = +(100 * bar.value / bar.max).toFixed(2);\n return total + bar.percent;\n }, 0);\n\n if (totalPercentage > 100) {\n bar.percent -= totalPercentage - 100;\n }\n };\n\n bar.$on('$destroy', function() {\n element = null;\n self.removeBar(bar);\n });\n };\n\n this.removeBar = function(bar) {\n this.bars.splice(this.bars.indexOf(bar), 1);\n this.bars.forEach(function (bar) {\n bar.recalculatePercentage();\n });\n };\n\n //$attrs.$observe('maxParam', function(maxParam) {\n $scope.$watch('maxParam', function(maxParam) {\n self.bars.forEach(function(bar) {\n bar.max = getMaxOrDefault();\n bar.recalculatePercentage();\n });\n });\n\n function getMaxOrDefault () {\n return angular.isDefined($scope.maxParam) ? $scope.maxParam : progressConfig.max;\n }\n}])\n\n.directive('uibProgress', function() {\n return {\n replace: true,\n transclude: true,\n controller: 'UibProgressController',\n require: 'uibProgress',\n scope: {\n maxParam: '=?max'\n },\n templateUrl: 'uib/template/progressbar/progress.html'\n };\n})\n\n.directive('uibBar', function() {\n return {\n replace: true,\n transclude: true,\n require: '^uibProgress',\n scope: {\n value: '=',\n type: '@'\n },\n templateUrl: 'uib/template/progressbar/bar.html',\n link: function(scope, element, attrs, progressCtrl) {\n progressCtrl.addBar(scope, element, attrs);\n }\n };\n})\n\n.directive('uibProgressbar', function() {\n return {\n replace: true,\n transclude: true,\n controller: 'UibProgressController',\n scope: {\n value: '=',\n maxParam: '=?max',\n type: '@'\n },\n templateUrl: 'uib/template/progressbar/progressbar.html',\n link: function(scope, element, attrs, progressCtrl) {\n progressCtrl.addBar(scope, angular.element(element.children()[0]), {title: attrs.title});\n }\n };\n});\n\nangular.module('ui.bootstrap.rating', [])\n\n.constant('uibRatingConfig', {\n max: 5,\n stateOn: null,\n stateOff: null,\n enableReset: true,\n titles: ['one', 'two', 'three', 'four', 'five']\n})\n\n.controller('UibRatingController', ['$scope', '$attrs', 'uibRatingConfig', function($scope, $attrs, ratingConfig) {\n var ngModelCtrl = { $setViewValue: angular.noop },\n self = this;\n\n this.init = function(ngModelCtrl_) {\n ngModelCtrl = ngModelCtrl_;\n ngModelCtrl.$render = this.render;\n\n ngModelCtrl.$formatters.push(function(value) {\n if (angular.isNumber(value) && value << 0 !== value) {\n value = Math.round(value);\n }\n\n return value;\n });\n\n this.stateOn = angular.isDefined($attrs.stateOn) ? $scope.$parent.$eval($attrs.stateOn) : ratingConfig.stateOn;\n this.stateOff = angular.isDefined($attrs.stateOff) ? $scope.$parent.$eval($attrs.stateOff) : ratingConfig.stateOff;\n this.enableReset = angular.isDefined($attrs.enableReset) ?\n $scope.$parent.$eval($attrs.enableReset) : ratingConfig.enableReset;\n var tmpTitles = angular.isDefined($attrs.titles) ? $scope.$parent.$eval($attrs.titles) : ratingConfig.titles;\n this.titles = angular.isArray(tmpTitles) && tmpTitles.length > 0 ?\n tmpTitles : ratingConfig.titles;\n\n var ratingStates = angular.isDefined($attrs.ratingStates) ?\n $scope.$parent.$eval($attrs.ratingStates) :\n new Array(angular.isDefined($attrs.max) ? $scope.$parent.$eval($attrs.max) : ratingConfig.max);\n $scope.range = this.buildTemplateObjects(ratingStates);\n };\n\n this.buildTemplateObjects = function(states) {\n for (var i = 0, n = states.length; i < n; i++) {\n states[i] = angular.extend({ index: i }, { stateOn: this.stateOn, stateOff: this.stateOff, title: this.getTitle(i) }, states[i]);\n }\n return states;\n };\n\n this.getTitle = function(index) {\n if (index >= this.titles.length) {\n return index + 1;\n }\n\n return this.titles[index];\n };\n\n $scope.rate = function(value) {\n if (!$scope.readonly && value >= 0 && value <= $scope.range.length) {\n var newViewValue = self.enableReset && ngModelCtrl.$viewValue === value ? 0 : value;\n ngModelCtrl.$setViewValue(newViewValue);\n ngModelCtrl.$render();\n }\n };\n\n $scope.enter = function(value) {\n if (!$scope.readonly) {\n $scope.value = value;\n }\n $scope.onHover({value: value});\n };\n\n $scope.reset = function() {\n $scope.value = ngModelCtrl.$viewValue;\n $scope.onLeave();\n };\n\n $scope.onKeydown = function(evt) {\n if (/(37|38|39|40)/.test(evt.which)) {\n evt.preventDefault();\n evt.stopPropagation();\n $scope.rate($scope.value + (evt.which === 38 || evt.which === 39 ? 1 : -1));\n }\n };\n\n this.render = function() {\n $scope.value = ngModelCtrl.$viewValue;\n $scope.title = self.getTitle($scope.value - 1);\n };\n}])\n\n.directive('uibRating', function() {\n return {\n require: ['uibRating', 'ngModel'],\n restrict: 'A',\n scope: {\n readonly: '=?readOnly',\n onHover: '&',\n onLeave: '&'\n },\n controller: 'UibRatingController',\n templateUrl: 'uib/template/rating/rating.html',\n link: function(scope, element, attrs, ctrls) {\n var ratingCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n ratingCtrl.init(ngModelCtrl);\n }\n };\n});\n\nangular.module('ui.bootstrap.tabs', [])\n\n.controller('UibTabsetController', ['$scope', function ($scope) {\n var ctrl = this,\n oldIndex;\n ctrl.tabs = [];\n\n ctrl.select = function(index, evt) {\n if (!destroyed) {\n var previousIndex = findTabIndex(oldIndex);\n var previousSelected = ctrl.tabs[previousIndex];\n if (previousSelected) {\n previousSelected.tab.onDeselect({\n $event: evt,\n $selectedIndex: index\n });\n if (evt && evt.isDefaultPrevented()) {\n return;\n }\n previousSelected.tab.active = false;\n }\n\n var selected = ctrl.tabs[index];\n if (selected) {\n selected.tab.onSelect({\n $event: evt\n });\n selected.tab.active = true;\n ctrl.active = selected.index;\n oldIndex = selected.index;\n } else if (!selected && angular.isDefined(oldIndex)) {\n ctrl.active = null;\n oldIndex = null;\n }\n }\n };\n\n ctrl.addTab = function addTab(tab) {\n ctrl.tabs.push({\n tab: tab,\n index: tab.index\n });\n ctrl.tabs.sort(function(t1, t2) {\n if (t1.index > t2.index) {\n return 1;\n }\n\n if (t1.index < t2.index) {\n return -1;\n }\n\n return 0;\n });\n\n if (tab.index === ctrl.active || !angular.isDefined(ctrl.active) && ctrl.tabs.length === 1) {\n var newActiveIndex = findTabIndex(tab.index);\n ctrl.select(newActiveIndex);\n }\n };\n\n ctrl.removeTab = function removeTab(tab) {\n var index;\n for (var i = 0; i < ctrl.tabs.length; i++) {\n if (ctrl.tabs[i].tab === tab) {\n index = i;\n break;\n }\n }\n\n if (ctrl.tabs[index].index === ctrl.active) {\n var newActiveTabIndex = index === ctrl.tabs.length - 1 ?\n index - 1 : index + 1 % ctrl.tabs.length;\n ctrl.select(newActiveTabIndex);\n }\n\n ctrl.tabs.splice(index, 1);\n };\n\n $scope.$watch('tabset.active', function(val) {\n if (angular.isDefined(val) && val !== oldIndex) {\n ctrl.select(findTabIndex(val));\n }\n });\n\n var destroyed;\n $scope.$on('$destroy', function() {\n destroyed = true;\n });\n\n function findTabIndex(index) {\n for (var i = 0; i < ctrl.tabs.length; i++) {\n if (ctrl.tabs[i].index === index) {\n return i;\n }\n }\n }\n}])\n\n.directive('uibTabset', function() {\n return {\n transclude: true,\n replace: true,\n scope: {},\n bindToController: {\n active: '=?',\n type: '@'\n },\n controller: 'UibTabsetController',\n controllerAs: 'tabset',\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/tabs/tabset.html';\n },\n link: function(scope, element, attrs) {\n scope.vertical = angular.isDefined(attrs.vertical) ?\n scope.$parent.$eval(attrs.vertical) : false;\n scope.justified = angular.isDefined(attrs.justified) ?\n scope.$parent.$eval(attrs.justified) : false;\n }\n };\n})\n\n.directive('uibTab', ['$parse', function($parse) {\n return {\n require: '^uibTabset',\n replace: true,\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || 'uib/template/tabs/tab.html';\n },\n transclude: true,\n scope: {\n heading: '@',\n index: '=?',\n classes: '@?',\n onSelect: '&select', //This callback is called in contentHeadingTransclude\n //once it inserts the tab's content into the dom\n onDeselect: '&deselect'\n },\n controller: function() {\n //Empty controller so other directives can require being 'under' a tab\n },\n controllerAs: 'tab',\n link: function(scope, elm, attrs, tabsetCtrl, transclude) {\n scope.disabled = false;\n if (attrs.disable) {\n scope.$parent.$watch($parse(attrs.disable), function(value) {\n scope.disabled = !! value;\n });\n }\n\n if (angular.isUndefined(attrs.index)) {\n if (tabsetCtrl.tabs && tabsetCtrl.tabs.length) {\n scope.index = Math.max.apply(null, tabsetCtrl.tabs.map(function(t) { return t.index; })) + 1;\n } else {\n scope.index = 0;\n }\n }\n\n if (angular.isUndefined(attrs.classes)) {\n scope.classes = '';\n }\n\n scope.select = function(evt) {\n if (!scope.disabled) {\n var index;\n for (var i = 0; i < tabsetCtrl.tabs.length; i++) {\n if (tabsetCtrl.tabs[i].tab === scope) {\n index = i;\n break;\n }\n }\n\n tabsetCtrl.select(index, evt);\n }\n };\n\n tabsetCtrl.addTab(scope);\n scope.$on('$destroy', function() {\n tabsetCtrl.removeTab(scope);\n });\n\n //We need to transclude later, once the content container is ready.\n //when this link happens, we're inside a tab heading.\n scope.$transcludeFn = transclude;\n }\n };\n}])\n\n.directive('uibTabHeadingTransclude', function() {\n return {\n restrict: 'A',\n require: '^uibTab',\n link: function(scope, elm) {\n scope.$watch('headingElement', function updateHeadingElement(heading) {\n if (heading) {\n elm.html('');\n elm.append(heading);\n }\n });\n }\n };\n})\n\n.directive('uibTabContentTransclude', function() {\n return {\n restrict: 'A',\n require: '^uibTabset',\n link: function(scope, elm, attrs) {\n var tab = scope.$eval(attrs.uibTabContentTransclude).tab;\n\n //Now our tab is ready to be transcluded: both the tab heading area\n //and the tab content area are loaded. Transclude 'em both.\n tab.$transcludeFn(tab.$parent, function(contents) {\n angular.forEach(contents, function(node) {\n if (isTabHeading(node)) {\n //Let tabHeadingTransclude know.\n tab.headingElement = node;\n } else {\n elm.append(node);\n }\n });\n });\n }\n };\n\n function isTabHeading(node) {\n return node.tagName && (\n node.hasAttribute('uib-tab-heading') ||\n node.hasAttribute('data-uib-tab-heading') ||\n node.hasAttribute('x-uib-tab-heading') ||\n node.tagName.toLowerCase() === 'uib-tab-heading' ||\n node.tagName.toLowerCase() === 'data-uib-tab-heading' ||\n node.tagName.toLowerCase() === 'x-uib-tab-heading' ||\n node.tagName.toLowerCase() === 'uib:tab-heading'\n );\n }\n});\n\nangular.module('ui.bootstrap.timepicker', [])\n\n.constant('uibTimepickerConfig', {\n hourStep: 1,\n minuteStep: 1,\n secondStep: 1,\n showMeridian: true,\n showSeconds: false,\n meridians: null,\n readonlyInput: false,\n mousewheel: true,\n arrowkeys: true,\n showSpinners: true,\n templateUrl: 'uib/template/timepicker/timepicker.html'\n})\n\n.controller('UibTimepickerController', ['$scope', '$element', '$attrs', '$parse', '$log', '$locale', 'uibTimepickerConfig', function($scope, $element, $attrs, $parse, $log, $locale, timepickerConfig) {\n var hoursModelCtrl, minutesModelCtrl, secondsModelCtrl;\n var selected = new Date(),\n watchers = [],\n ngModelCtrl = { $setViewValue: angular.noop }, // nullModelCtrl\n meridians = angular.isDefined($attrs.meridians) ? $scope.$parent.$eval($attrs.meridians) : timepickerConfig.meridians || $locale.DATETIME_FORMATS.AMPMS,\n padHours = angular.isDefined($attrs.padHours) ? $scope.$parent.$eval($attrs.padHours) : true;\n\n $scope.tabindex = angular.isDefined($attrs.tabindex) ? $attrs.tabindex : 0;\n $element.removeAttr('tabindex');\n\n this.init = function(ngModelCtrl_, inputs) {\n ngModelCtrl = ngModelCtrl_;\n ngModelCtrl.$render = this.render;\n\n ngModelCtrl.$formatters.unshift(function(modelValue) {\n return modelValue ? new Date(modelValue) : null;\n });\n\n var hoursInputEl = inputs.eq(0),\n minutesInputEl = inputs.eq(1),\n secondsInputEl = inputs.eq(2);\n\n hoursModelCtrl = hoursInputEl.controller('ngModel');\n minutesModelCtrl = minutesInputEl.controller('ngModel');\n secondsModelCtrl = secondsInputEl.controller('ngModel');\n\n var mousewheel = angular.isDefined($attrs.mousewheel) ? $scope.$parent.$eval($attrs.mousewheel) : timepickerConfig.mousewheel;\n\n if (mousewheel) {\n this.setupMousewheelEvents(hoursInputEl, minutesInputEl, secondsInputEl);\n }\n\n var arrowkeys = angular.isDefined($attrs.arrowkeys) ? $scope.$parent.$eval($attrs.arrowkeys) : timepickerConfig.arrowkeys;\n if (arrowkeys) {\n this.setupArrowkeyEvents(hoursInputEl, minutesInputEl, secondsInputEl);\n }\n\n $scope.readonlyInput = angular.isDefined($attrs.readonlyInput) ? $scope.$parent.$eval($attrs.readonlyInput) : timepickerConfig.readonlyInput;\n this.setupInputEvents(hoursInputEl, minutesInputEl, secondsInputEl);\n };\n\n var hourStep = timepickerConfig.hourStep;\n if ($attrs.hourStep) {\n watchers.push($scope.$parent.$watch($parse($attrs.hourStep), function(value) {\n hourStep = +value;\n }));\n }\n\n var minuteStep = timepickerConfig.minuteStep;\n if ($attrs.minuteStep) {\n watchers.push($scope.$parent.$watch($parse($attrs.minuteStep), function(value) {\n minuteStep = +value;\n }));\n }\n\n var min;\n watchers.push($scope.$parent.$watch($parse($attrs.min), function(value) {\n var dt = new Date(value);\n min = isNaN(dt) ? undefined : dt;\n }));\n\n var max;\n watchers.push($scope.$parent.$watch($parse($attrs.max), function(value) {\n var dt = new Date(value);\n max = isNaN(dt) ? undefined : dt;\n }));\n\n var disabled = false;\n if ($attrs.ngDisabled) {\n watchers.push($scope.$parent.$watch($parse($attrs.ngDisabled), function(value) {\n disabled = value;\n }));\n }\n\n $scope.noIncrementHours = function() {\n var incrementedSelected = addMinutes(selected, hourStep * 60);\n return disabled || incrementedSelected > max ||\n incrementedSelected < selected && incrementedSelected < min;\n };\n\n $scope.noDecrementHours = function() {\n var decrementedSelected = addMinutes(selected, -hourStep * 60);\n return disabled || decrementedSelected < min ||\n decrementedSelected > selected && decrementedSelected > max;\n };\n\n $scope.noIncrementMinutes = function() {\n var incrementedSelected = addMinutes(selected, minuteStep);\n return disabled || incrementedSelected > max ||\n incrementedSelected < selected && incrementedSelected < min;\n };\n\n $scope.noDecrementMinutes = function() {\n var decrementedSelected = addMinutes(selected, -minuteStep);\n return disabled || decrementedSelected < min ||\n decrementedSelected > selected && decrementedSelected > max;\n };\n\n $scope.noIncrementSeconds = function() {\n var incrementedSelected = addSeconds(selected, secondStep);\n return disabled || incrementedSelected > max ||\n incrementedSelected < selected && incrementedSelected < min;\n };\n\n $scope.noDecrementSeconds = function() {\n var decrementedSelected = addSeconds(selected, -secondStep);\n return disabled || decrementedSelected < min ||\n decrementedSelected > selected && decrementedSelected > max;\n };\n\n $scope.noToggleMeridian = function() {\n if (selected.getHours() < 12) {\n return disabled || addMinutes(selected, 12 * 60) > max;\n }\n\n return disabled || addMinutes(selected, -12 * 60) < min;\n };\n\n var secondStep = timepickerConfig.secondStep;\n if ($attrs.secondStep) {\n watchers.push($scope.$parent.$watch($parse($attrs.secondStep), function(value) {\n secondStep = +value;\n }));\n }\n\n $scope.showSeconds = timepickerConfig.showSeconds;\n if ($attrs.showSeconds) {\n watchers.push($scope.$parent.$watch($parse($attrs.showSeconds), function(value) {\n $scope.showSeconds = !!value;\n }));\n }\n\n // 12H / 24H mode\n $scope.showMeridian = timepickerConfig.showMeridian;\n if ($attrs.showMeridian) {\n watchers.push($scope.$parent.$watch($parse($attrs.showMeridian), function(value) {\n $scope.showMeridian = !!value;\n\n if (ngModelCtrl.$error.time) {\n // Evaluate from template\n var hours = getHoursFromTemplate(), minutes = getMinutesFromTemplate();\n if (angular.isDefined(hours) && angular.isDefined(minutes)) {\n selected.setHours(hours);\n refresh();\n }\n } else {\n updateTemplate();\n }\n }));\n }\n\n // Get $scope.hours in 24H mode if valid\n function getHoursFromTemplate() {\n var hours = +$scope.hours;\n var valid = $scope.showMeridian ? hours > 0 && hours < 13 :\n hours >= 0 && hours < 24;\n if (!valid || $scope.hours === '') {\n return undefined;\n }\n\n if ($scope.showMeridian) {\n if (hours === 12) {\n hours = 0;\n }\n if ($scope.meridian === meridians[1]) {\n hours = hours + 12;\n }\n }\n return hours;\n }\n\n function getMinutesFromTemplate() {\n var minutes = +$scope.minutes;\n var valid = minutes >= 0 && minutes < 60;\n if (!valid || $scope.minutes === '') {\n return undefined;\n }\n return minutes;\n }\n\n function getSecondsFromTemplate() {\n var seconds = +$scope.seconds;\n return seconds >= 0 && seconds < 60 ? seconds : undefined;\n }\n\n function pad(value, noPad) {\n if (value === null) {\n return '';\n }\n\n return angular.isDefined(value) && value.toString().length < 2 && !noPad ?\n '0' + value : value.toString();\n }\n\n // Respond on mousewheel spin\n this.setupMousewheelEvents = function(hoursInputEl, minutesInputEl, secondsInputEl) {\n var isScrollingUp = function(e) {\n if (e.originalEvent) {\n e = e.originalEvent;\n }\n //pick correct delta variable depending on event\n var delta = e.wheelDelta ? e.wheelDelta : -e.deltaY;\n return e.detail || delta > 0;\n };\n\n hoursInputEl.on('mousewheel wheel', function(e) {\n if (!disabled) {\n $scope.$apply(isScrollingUp(e) ? $scope.incrementHours() : $scope.decrementHours());\n }\n e.preventDefault();\n });\n\n minutesInputEl.on('mousewheel wheel', function(e) {\n if (!disabled) {\n $scope.$apply(isScrollingUp(e) ? $scope.incrementMinutes() : $scope.decrementMinutes());\n }\n e.preventDefault();\n });\n\n secondsInputEl.on('mousewheel wheel', function(e) {\n if (!disabled) {\n $scope.$apply(isScrollingUp(e) ? $scope.incrementSeconds() : $scope.decrementSeconds());\n }\n e.preventDefault();\n });\n };\n\n // Respond on up/down arrowkeys\n this.setupArrowkeyEvents = function(hoursInputEl, minutesInputEl, secondsInputEl) {\n hoursInputEl.on('keydown', function(e) {\n if (!disabled) {\n if (e.which === 38) { // up\n e.preventDefault();\n $scope.incrementHours();\n $scope.$apply();\n } else if (e.which === 40) { // down\n e.preventDefault();\n $scope.decrementHours();\n $scope.$apply();\n }\n }\n });\n\n minutesInputEl.on('keydown', function(e) {\n if (!disabled) {\n if (e.which === 38) { // up\n e.preventDefault();\n $scope.incrementMinutes();\n $scope.$apply();\n } else if (e.which === 40) { // down\n e.preventDefault();\n $scope.decrementMinutes();\n $scope.$apply();\n }\n }\n });\n\n secondsInputEl.on('keydown', function(e) {\n if (!disabled) {\n if (e.which === 38) { // up\n e.preventDefault();\n $scope.incrementSeconds();\n $scope.$apply();\n } else if (e.which === 40) { // down\n e.preventDefault();\n $scope.decrementSeconds();\n $scope.$apply();\n }\n }\n });\n };\n\n this.setupInputEvents = function(hoursInputEl, minutesInputEl, secondsInputEl) {\n if ($scope.readonlyInput) {\n $scope.updateHours = angular.noop;\n $scope.updateMinutes = angular.noop;\n $scope.updateSeconds = angular.noop;\n return;\n }\n\n var invalidate = function(invalidHours, invalidMinutes, invalidSeconds) {\n ngModelCtrl.$setViewValue(null);\n ngModelCtrl.$setValidity('time', false);\n if (angular.isDefined(invalidHours)) {\n $scope.invalidHours = invalidHours;\n if (hoursModelCtrl) {\n hoursModelCtrl.$setValidity('hours', false);\n }\n }\n\n if (angular.isDefined(invalidMinutes)) {\n $scope.invalidMinutes = invalidMinutes;\n if (minutesModelCtrl) {\n minutesModelCtrl.$setValidity('minutes', false);\n }\n }\n\n if (angular.isDefined(invalidSeconds)) {\n $scope.invalidSeconds = invalidSeconds;\n if (secondsModelCtrl) {\n secondsModelCtrl.$setValidity('seconds', false);\n }\n }\n };\n\n $scope.updateHours = function() {\n var hours = getHoursFromTemplate(),\n minutes = getMinutesFromTemplate();\n\n ngModelCtrl.$setDirty();\n\n if (angular.isDefined(hours) && angular.isDefined(minutes)) {\n selected.setHours(hours);\n selected.setMinutes(minutes);\n if (selected < min || selected > max) {\n invalidate(true);\n } else {\n refresh('h');\n }\n } else {\n invalidate(true);\n }\n };\n\n hoursInputEl.on('blur', function(e) {\n ngModelCtrl.$setTouched();\n if (modelIsEmpty()) {\n makeValid();\n } else if ($scope.hours === null || $scope.hours === '') {\n invalidate(true);\n } else if (!$scope.invalidHours && $scope.hours < 10) {\n $scope.$apply(function() {\n $scope.hours = pad($scope.hours, !padHours);\n });\n }\n });\n\n $scope.updateMinutes = function() {\n var minutes = getMinutesFromTemplate(),\n hours = getHoursFromTemplate();\n\n ngModelCtrl.$setDirty();\n\n if (angular.isDefined(minutes) && angular.isDefined(hours)) {\n selected.setHours(hours);\n selected.setMinutes(minutes);\n if (selected < min || selected > max) {\n invalidate(undefined, true);\n } else {\n refresh('m');\n }\n } else {\n invalidate(undefined, true);\n }\n };\n\n minutesInputEl.on('blur', function(e) {\n ngModelCtrl.$setTouched();\n if (modelIsEmpty()) {\n makeValid();\n } else if ($scope.minutes === null) {\n invalidate(undefined, true);\n } else if (!$scope.invalidMinutes && $scope.minutes < 10) {\n $scope.$apply(function() {\n $scope.minutes = pad($scope.minutes);\n });\n }\n });\n\n $scope.updateSeconds = function() {\n var seconds = getSecondsFromTemplate();\n\n ngModelCtrl.$setDirty();\n\n if (angular.isDefined(seconds)) {\n selected.setSeconds(seconds);\n refresh('s');\n } else {\n invalidate(undefined, undefined, true);\n }\n };\n\n secondsInputEl.on('blur', function(e) {\n if (modelIsEmpty()) {\n makeValid();\n } else if (!$scope.invalidSeconds && $scope.seconds < 10) {\n $scope.$apply( function() {\n $scope.seconds = pad($scope.seconds);\n });\n }\n });\n\n };\n\n this.render = function() {\n var date = ngModelCtrl.$viewValue;\n\n if (isNaN(date)) {\n ngModelCtrl.$setValidity('time', false);\n $log.error('Timepicker directive: \"ng-model\" value must be a Date object, a number of milliseconds since 01.01.1970 or a string representing an RFC2822 or ISO 8601 date.');\n } else {\n if (date) {\n selected = date;\n }\n\n if (selected < min || selected > max) {\n ngModelCtrl.$setValidity('time', false);\n $scope.invalidHours = true;\n $scope.invalidMinutes = true;\n } else {\n makeValid();\n }\n updateTemplate();\n }\n };\n\n // Call internally when we know that model is valid.\n function refresh(keyboardChange) {\n makeValid();\n ngModelCtrl.$setViewValue(new Date(selected));\n updateTemplate(keyboardChange);\n }\n\n function makeValid() {\n if (hoursModelCtrl) {\n hoursModelCtrl.$setValidity('hours', true);\n }\n\n if (minutesModelCtrl) {\n minutesModelCtrl.$setValidity('minutes', true);\n }\n\n if (secondsModelCtrl) {\n secondsModelCtrl.$setValidity('seconds', true);\n }\n\n ngModelCtrl.$setValidity('time', true);\n $scope.invalidHours = false;\n $scope.invalidMinutes = false;\n $scope.invalidSeconds = false;\n }\n\n function updateTemplate(keyboardChange) {\n if (!ngModelCtrl.$modelValue) {\n $scope.hours = null;\n $scope.minutes = null;\n $scope.seconds = null;\n $scope.meridian = meridians[0];\n } else {\n var hours = selected.getHours(),\n minutes = selected.getMinutes(),\n seconds = selected.getSeconds();\n\n if ($scope.showMeridian) {\n hours = hours === 0 || hours === 12 ? 12 : hours % 12; // Convert 24 to 12 hour system\n }\n\n $scope.hours = keyboardChange === 'h' ? hours : pad(hours, !padHours);\n if (keyboardChange !== 'm') {\n $scope.minutes = pad(minutes);\n }\n $scope.meridian = selected.getHours() < 12 ? meridians[0] : meridians[1];\n\n if (keyboardChange !== 's') {\n $scope.seconds = pad(seconds);\n }\n $scope.meridian = selected.getHours() < 12 ? meridians[0] : meridians[1];\n }\n }\n\n function addSecondsToSelected(seconds) {\n selected = addSeconds(selected, seconds);\n refresh();\n }\n\n function addMinutes(selected, minutes) {\n return addSeconds(selected, minutes*60);\n }\n\n function addSeconds(date, seconds) {\n var dt = new Date(date.getTime() + seconds * 1000);\n var newDate = new Date(date);\n newDate.setHours(dt.getHours(), dt.getMinutes(), dt.getSeconds());\n return newDate;\n }\n\n function modelIsEmpty() {\n return ($scope.hours === null || $scope.hours === '') &&\n ($scope.minutes === null || $scope.minutes === '') &&\n (!$scope.showSeconds || $scope.showSeconds && ($scope.seconds === null || $scope.seconds === ''));\n }\n\n $scope.showSpinners = angular.isDefined($attrs.showSpinners) ?\n $scope.$parent.$eval($attrs.showSpinners) : timepickerConfig.showSpinners;\n\n $scope.incrementHours = function() {\n if (!$scope.noIncrementHours()) {\n addSecondsToSelected(hourStep * 60 * 60);\n }\n };\n\n $scope.decrementHours = function() {\n if (!$scope.noDecrementHours()) {\n addSecondsToSelected(-hourStep * 60 * 60);\n }\n };\n\n $scope.incrementMinutes = function() {\n if (!$scope.noIncrementMinutes()) {\n addSecondsToSelected(minuteStep * 60);\n }\n };\n\n $scope.decrementMinutes = function() {\n if (!$scope.noDecrementMinutes()) {\n addSecondsToSelected(-minuteStep * 60);\n }\n };\n\n $scope.incrementSeconds = function() {\n if (!$scope.noIncrementSeconds()) {\n addSecondsToSelected(secondStep);\n }\n };\n\n $scope.decrementSeconds = function() {\n if (!$scope.noDecrementSeconds()) {\n addSecondsToSelected(-secondStep);\n }\n };\n\n $scope.toggleMeridian = function() {\n var minutes = getMinutesFromTemplate(),\n hours = getHoursFromTemplate();\n\n if (!$scope.noToggleMeridian()) {\n if (angular.isDefined(minutes) && angular.isDefined(hours)) {\n addSecondsToSelected(12 * 60 * (selected.getHours() < 12 ? 60 : -60));\n } else {\n $scope.meridian = $scope.meridian === meridians[0] ? meridians[1] : meridians[0];\n }\n }\n };\n\n $scope.blur = function() {\n ngModelCtrl.$setTouched();\n };\n\n $scope.$on('$destroy', function() {\n while (watchers.length) {\n watchers.shift()();\n }\n });\n}])\n\n.directive('uibTimepicker', ['uibTimepickerConfig', function(uibTimepickerConfig) {\n return {\n require: ['uibTimepicker', '?^ngModel'],\n restrict: 'A',\n controller: 'UibTimepickerController',\n controllerAs: 'timepicker',\n scope: {},\n templateUrl: function(element, attrs) {\n return attrs.templateUrl || uibTimepickerConfig.templateUrl;\n },\n link: function(scope, element, attrs, ctrls) {\n var timepickerCtrl = ctrls[0], ngModelCtrl = ctrls[1];\n\n if (ngModelCtrl) {\n timepickerCtrl.init(ngModelCtrl, element.find('input'));\n }\n }\n };\n}]);\n\nangular.module('ui.bootstrap.typeahead', ['ui.bootstrap.debounce', 'ui.bootstrap.position'])\n\n/**\n * A helper service that can parse typeahead's syntax (string provided by users)\n * Extracted to a separate service for ease of unit testing\n */\n .factory('uibTypeaheadParser', ['$parse', function($parse) {\n // 000001111111100000000000002222222200000000000000003333333333333330000000000044444444000\n var TYPEAHEAD_REGEXP = /^\\s*([\\s\\S]+?)(?:\\s+as\\s+([\\s\\S]+?))?\\s+for\\s+(?:([\\$\\w][\\$\\w\\d]*))\\s+in\\s+([\\s\\S]+?)$/;\n return {\n parse: function(input) {\n var match = input.match(TYPEAHEAD_REGEXP);\n if (!match) {\n throw new Error(\n 'Expected typeahead specification in form of \"_modelValue_ (as _label_)? for _item_ in _collection_\"' +\n ' but got \"' + input + '\".');\n }\n\n return {\n itemName: match[3],\n source: $parse(match[4]),\n viewMapper: $parse(match[2] || match[1]),\n modelMapper: $parse(match[1])\n };\n }\n };\n }])\n\n .controller('UibTypeaheadController', ['$scope', '$element', '$attrs', '$compile', '$parse', '$q', '$timeout', '$document', '$window', '$rootScope', '$$debounce', '$uibPosition', 'uibTypeaheadParser',\n function(originalScope, element, attrs, $compile, $parse, $q, $timeout, $document, $window, $rootScope, $$debounce, $position, typeaheadParser) {\n var HOT_KEYS = [9, 13, 27, 38, 40];\n var eventDebounceTime = 200;\n var modelCtrl, ngModelOptions;\n //SUPPORTED ATTRIBUTES (OPTIONS)\n\n //minimal no of characters that needs to be entered before typeahead kicks-in\n var minLength = originalScope.$eval(attrs.typeaheadMinLength);\n if (!minLength && minLength !== 0) {\n minLength = 1;\n }\n\n originalScope.$watch(attrs.typeaheadMinLength, function (newVal) {\n minLength = !newVal && newVal !== 0 ? 1 : newVal;\n });\n\n //minimal wait time after last character typed before typeahead kicks-in\n var waitTime = originalScope.$eval(attrs.typeaheadWaitMs) || 0;\n\n //should it restrict model values to the ones selected from the popup only?\n var isEditable = originalScope.$eval(attrs.typeaheadEditable) !== false;\n originalScope.$watch(attrs.typeaheadEditable, function (newVal) {\n isEditable = newVal !== false;\n });\n\n //binding to a variable that indicates if matches are being retrieved asynchronously\n var isLoadingSetter = $parse(attrs.typeaheadLoading).assign || angular.noop;\n\n //a function to determine if an event should cause selection\n var isSelectEvent = attrs.typeaheadShouldSelect ? $parse(attrs.typeaheadShouldSelect) : function(scope, vals) {\n var evt = vals.$event;\n return evt.which === 13 || evt.which === 9;\n };\n\n //a callback executed when a match is selected\n var onSelectCallback = $parse(attrs.typeaheadOnSelect);\n\n //should it select highlighted popup value when losing focus?\n var isSelectOnBlur = angular.isDefined(attrs.typeaheadSelectOnBlur) ? originalScope.$eval(attrs.typeaheadSelectOnBlur) : false;\n\n //binding to a variable that indicates if there were no results after the query is completed\n var isNoResultsSetter = $parse(attrs.typeaheadNoResults).assign || angular.noop;\n\n var inputFormatter = attrs.typeaheadInputFormatter ? $parse(attrs.typeaheadInputFormatter) : undefined;\n\n var appendToBody = attrs.typeaheadAppendToBody ? originalScope.$eval(attrs.typeaheadAppendToBody) : false;\n\n var appendTo = attrs.typeaheadAppendTo ?\n originalScope.$eval(attrs.typeaheadAppendTo) : null;\n\n var focusFirst = originalScope.$eval(attrs.typeaheadFocusFirst) !== false;\n\n //If input matches an item of the list exactly, select it automatically\n var selectOnExact = attrs.typeaheadSelectOnExact ? originalScope.$eval(attrs.typeaheadSelectOnExact) : false;\n\n //binding to a variable that indicates if dropdown is open\n var isOpenSetter = $parse(attrs.typeaheadIsOpen).assign || angular.noop;\n\n var showHint = originalScope.$eval(attrs.typeaheadShowHint) || false;\n\n //INTERNAL VARIABLES\n\n //model setter executed upon match selection\n var parsedModel = $parse(attrs.ngModel);\n var invokeModelSetter = $parse(attrs.ngModel + '($$$p)');\n var $setModelValue = function(scope, newValue) {\n if (angular.isFunction(parsedModel(originalScope)) &&\n ngModelOptions.getOption('getterSetter')) {\n return invokeModelSetter(scope, {$$$p: newValue});\n }\n\n return parsedModel.assign(scope, newValue);\n };\n\n //expressions used by typeahead\n var parserResult = typeaheadParser.parse(attrs.uibTypeahead);\n\n var hasFocus;\n\n //Used to avoid bug in iOS webview where iOS keyboard does not fire\n //mousedown & mouseup events\n //Issue #3699\n var selected;\n\n //create a child scope for the typeahead directive so we are not polluting original scope\n //with typeahead-specific data (matches, query etc.)\n var scope = originalScope.$new();\n var offDestroy = originalScope.$on('$destroy', function() {\n scope.$destroy();\n });\n scope.$on('$destroy', offDestroy);\n\n // WAI-ARIA\n var popupId = 'typeahead-' + scope.$id + '-' + Math.floor(Math.random() * 10000);\n element.attr({\n 'aria-autocomplete': 'list',\n 'aria-expanded': false,\n 'aria-owns': popupId\n });\n\n var inputsContainer, hintInputElem;\n //add read-only input to show hint\n if (showHint) {\n inputsContainer = angular.element('');\n inputsContainer.css('position', 'relative');\n element.after(inputsContainer);\n hintInputElem = element.clone();\n hintInputElem.attr('placeholder', '');\n hintInputElem.attr('tabindex', '-1');\n hintInputElem.val('');\n hintInputElem.css({\n 'position': 'absolute',\n 'top': '0px',\n 'left': '0px',\n 'border-color': 'transparent',\n 'box-shadow': 'none',\n 'opacity': 1,\n 'background': 'none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255)',\n 'color': '#999'\n });\n element.css({\n 'position': 'relative',\n 'vertical-align': 'top',\n 'background-color': 'transparent'\n });\n\n if (hintInputElem.attr('id')) {\n hintInputElem.removeAttr('id'); // remove duplicate id if present.\n }\n inputsContainer.append(hintInputElem);\n hintInputElem.after(element);\n }\n\n //pop-up element used to display matches\n var popUpEl = angular.element('');\n popUpEl.attr({\n id: popupId,\n matches: 'matches',\n active: 'activeIdx',\n select: 'select(activeIdx, evt)',\n 'move-in-progress': 'moveInProgress',\n query: 'query',\n position: 'position',\n 'assign-is-open': 'assignIsOpen(isOpen)',\n debounce: 'debounceUpdate'\n });\n //custom item template\n if (angular.isDefined(attrs.typeaheadTemplateUrl)) {\n popUpEl.attr('template-url', attrs.typeaheadTemplateUrl);\n }\n\n if (angular.isDefined(attrs.typeaheadPopupTemplateUrl)) {\n popUpEl.attr('popup-template-url', attrs.typeaheadPopupTemplateUrl);\n }\n\n var resetHint = function() {\n if (showHint) {\n hintInputElem.val('');\n }\n };\n\n var resetMatches = function() {\n scope.matches = [];\n scope.activeIdx = -1;\n element.attr('aria-expanded', false);\n resetHint();\n };\n\n var getMatchId = function(index) {\n return popupId + '-option-' + index;\n };\n\n // Indicate that the specified match is the active (pre-selected) item in the list owned by this typeahead.\n // This attribute is added or removed automatically when the `activeIdx` changes.\n scope.$watch('activeIdx', function(index) {\n if (index < 0) {\n element.removeAttr('aria-activedescendant');\n } else {\n element.attr('aria-activedescendant', getMatchId(index));\n }\n });\n\n var inputIsExactMatch = function(inputValue, index) {\n if (scope.matches.length > index && inputValue) {\n return inputValue.toUpperCase() === scope.matches[index].label.toUpperCase();\n }\n\n return false;\n };\n\n var getMatchesAsync = function(inputValue, evt) {\n var locals = {$viewValue: inputValue};\n isLoadingSetter(originalScope, true);\n isNoResultsSetter(originalScope, false);\n $q.when(parserResult.source(originalScope, locals)).then(function(matches) {\n //it might happen that several async queries were in progress if a user were typing fast\n //but we are interested only in responses that correspond to the current view value\n var onCurrentRequest = inputValue === modelCtrl.$viewValue;\n if (onCurrentRequest && hasFocus) {\n if (matches && matches.length > 0) {\n scope.activeIdx = focusFirst ? 0 : -1;\n isNoResultsSetter(originalScope, false);\n scope.matches.length = 0;\n\n //transform labels\n for (var i = 0; i < matches.length; i++) {\n locals[parserResult.itemName] = matches[i];\n scope.matches.push({\n id: getMatchId(i),\n label: parserResult.viewMapper(scope, locals),\n model: matches[i]\n });\n }\n\n scope.query = inputValue;\n //position pop-up with matches - we need to re-calculate its position each time we are opening a window\n //with matches as a pop-up might be absolute-positioned and position of an input might have changed on a page\n //due to other elements being rendered\n recalculatePosition();\n\n element.attr('aria-expanded', true);\n\n //Select the single remaining option if user input matches\n if (selectOnExact && scope.matches.length === 1 && inputIsExactMatch(inputValue, 0)) {\n if (angular.isNumber(scope.debounceUpdate) || angular.isObject(scope.debounceUpdate)) {\n $$debounce(function() {\n scope.select(0, evt);\n }, angular.isNumber(scope.debounceUpdate) ? scope.debounceUpdate : scope.debounceUpdate['default']);\n } else {\n scope.select(0, evt);\n }\n }\n\n if (showHint) {\n var firstLabel = scope.matches[0].label;\n if (angular.isString(inputValue) &&\n inputValue.length > 0 &&\n firstLabel.slice(0, inputValue.length).toUpperCase() === inputValue.toUpperCase()) {\n hintInputElem.val(inputValue + firstLabel.slice(inputValue.length));\n } else {\n hintInputElem.val('');\n }\n }\n } else {\n resetMatches();\n isNoResultsSetter(originalScope, true);\n }\n }\n if (onCurrentRequest) {\n isLoadingSetter(originalScope, false);\n }\n }, function() {\n resetMatches();\n isLoadingSetter(originalScope, false);\n isNoResultsSetter(originalScope, true);\n });\n };\n\n // bind events only if appendToBody params exist - performance feature\n if (appendToBody) {\n angular.element($window).on('resize', fireRecalculating);\n $document.find('body').on('scroll', fireRecalculating);\n }\n\n // Declare the debounced function outside recalculating for\n // proper debouncing\n var debouncedRecalculate = $$debounce(function() {\n // if popup is visible\n if (scope.matches.length) {\n recalculatePosition();\n }\n\n scope.moveInProgress = false;\n }, eventDebounceTime);\n\n // Default progress type\n scope.moveInProgress = false;\n\n function fireRecalculating() {\n if (!scope.moveInProgress) {\n scope.moveInProgress = true;\n scope.$digest();\n }\n\n debouncedRecalculate();\n }\n\n // recalculate actual position and set new values to scope\n // after digest loop is popup in right position\n function recalculatePosition() {\n scope.position = appendToBody ? $position.offset(element) : $position.position(element);\n scope.position.top += element.prop('offsetHeight');\n }\n\n //we need to propagate user's query so we can higlight matches\n scope.query = undefined;\n\n //Declare the timeout promise var outside the function scope so that stacked calls can be cancelled later\n var timeoutPromise;\n\n var scheduleSearchWithTimeout = function(inputValue) {\n timeoutPromise = $timeout(function() {\n getMatchesAsync(inputValue);\n }, waitTime);\n };\n\n var cancelPreviousTimeout = function() {\n if (timeoutPromise) {\n $timeout.cancel(timeoutPromise);\n }\n };\n\n resetMatches();\n\n scope.assignIsOpen = function (isOpen) {\n isOpenSetter(originalScope, isOpen);\n };\n\n scope.select = function(activeIdx, evt) {\n //called from within the $digest() cycle\n var locals = {};\n var model, item;\n\n selected = true;\n locals[parserResult.itemName] = item = scope.matches[activeIdx].model;\n model = parserResult.modelMapper(originalScope, locals);\n $setModelValue(originalScope, model);\n modelCtrl.$setValidity('editable', true);\n modelCtrl.$setValidity('parse', true);\n\n onSelectCallback(originalScope, {\n $item: item,\n $model: model,\n $label: parserResult.viewMapper(originalScope, locals),\n $event: evt\n });\n\n resetMatches();\n\n //return focus to the input element if a match was selected via a mouse click event\n // use timeout to avoid $rootScope:inprog error\n if (scope.$eval(attrs.typeaheadFocusOnSelect) !== false) {\n $timeout(function() { element[0].focus(); }, 0, false);\n }\n };\n\n //bind keyboard events: arrows up(38) / down(40), enter(13) and tab(9), esc(27)\n element.on('keydown', function(evt) {\n //typeahead is open and an \"interesting\" key was pressed\n if (scope.matches.length === 0 || HOT_KEYS.indexOf(evt.which) === -1) {\n return;\n }\n\n var shouldSelect = isSelectEvent(originalScope, {$event: evt});\n\n /**\n * if there's nothing selected (i.e. focusFirst) and enter or tab is hit\n * or\n * shift + tab is pressed to bring focus to the previous element\n * then clear the results\n */\n if (scope.activeIdx === -1 && shouldSelect || evt.which === 9 && !!evt.shiftKey) {\n resetMatches();\n scope.$digest();\n return;\n }\n\n evt.preventDefault();\n var target;\n switch (evt.which) {\n case 27: // escape\n evt.stopPropagation();\n\n resetMatches();\n originalScope.$digest();\n break;\n case 38: // up arrow\n scope.activeIdx = (scope.activeIdx > 0 ? scope.activeIdx : scope.matches.length) - 1;\n scope.$digest();\n target = popUpEl[0].querySelectorAll('.uib-typeahead-match')[scope.activeIdx];\n target.parentNode.scrollTop = target.offsetTop;\n break;\n case 40: // down arrow\n scope.activeIdx = (scope.activeIdx + 1) % scope.matches.length;\n scope.$digest();\n target = popUpEl[0].querySelectorAll('.uib-typeahead-match')[scope.activeIdx];\n target.parentNode.scrollTop = target.offsetTop;\n break;\n default:\n if (shouldSelect) {\n scope.$apply(function() {\n if (angular.isNumber(scope.debounceUpdate) || angular.isObject(scope.debounceUpdate)) {\n $$debounce(function() {\n scope.select(scope.activeIdx, evt);\n }, angular.isNumber(scope.debounceUpdate) ? scope.debounceUpdate : scope.debounceUpdate['default']);\n } else {\n scope.select(scope.activeIdx, evt);\n }\n });\n }\n }\n });\n\n element.on('focus', function (evt) {\n hasFocus = true;\n if (minLength === 0 && !modelCtrl.$viewValue) {\n $timeout(function() {\n getMatchesAsync(modelCtrl.$viewValue, evt);\n }, 0);\n }\n });\n\n element.on('blur', function(evt) {\n if (isSelectOnBlur && scope.matches.length && scope.activeIdx !== -1 && !selected) {\n selected = true;\n scope.$apply(function() {\n if (angular.isObject(scope.debounceUpdate) && angular.isNumber(scope.debounceUpdate.blur)) {\n $$debounce(function() {\n scope.select(scope.activeIdx, evt);\n }, scope.debounceUpdate.blur);\n } else {\n scope.select(scope.activeIdx, evt);\n }\n });\n }\n if (!isEditable && modelCtrl.$error.editable) {\n modelCtrl.$setViewValue();\n scope.$apply(function() {\n // Reset validity as we are clearing\n modelCtrl.$setValidity('editable', true);\n modelCtrl.$setValidity('parse', true);\n });\n element.val('');\n }\n hasFocus = false;\n selected = false;\n });\n\n // Keep reference to click handler to unbind it.\n var dismissClickHandler = function(evt) {\n // Issue #3973\n // Firefox treats right click as a click on document\n if (element[0] !== evt.target && evt.which !== 3 && scope.matches.length !== 0) {\n resetMatches();\n if (!$rootScope.$$phase) {\n originalScope.$digest();\n }\n }\n };\n\n $document.on('click', dismissClickHandler);\n\n originalScope.$on('$destroy', function() {\n $document.off('click', dismissClickHandler);\n if (appendToBody || appendTo) {\n $popup.remove();\n }\n\n if (appendToBody) {\n angular.element($window).off('resize', fireRecalculating);\n $document.find('body').off('scroll', fireRecalculating);\n }\n // Prevent jQuery cache memory leak\n popUpEl.remove();\n\n if (showHint) {\n inputsContainer.remove();\n }\n });\n\n var $popup = $compile(popUpEl)(scope);\n\n if (appendToBody) {\n $document.find('body').append($popup);\n } else if (appendTo) {\n angular.element(appendTo).eq(0).append($popup);\n } else {\n element.after($popup);\n }\n\n this.init = function(_modelCtrl) {\n modelCtrl = _modelCtrl;\n ngModelOptions = extractOptions(modelCtrl);\n\n scope.debounceUpdate = $parse(ngModelOptions.getOption('debounce'))(originalScope);\n\n //plug into $parsers pipeline to open a typeahead on view changes initiated from DOM\n //$parsers kick-in on all the changes coming from the view as well as manually triggered by $setViewValue\n modelCtrl.$parsers.unshift(function(inputValue) {\n hasFocus = true;\n\n if (minLength === 0 || inputValue && inputValue.length >= minLength) {\n if (waitTime > 0) {\n cancelPreviousTimeout();\n scheduleSearchWithTimeout(inputValue);\n } else {\n getMatchesAsync(inputValue);\n }\n } else {\n isLoadingSetter(originalScope, false);\n cancelPreviousTimeout();\n resetMatches();\n }\n\n if (isEditable) {\n return inputValue;\n }\n\n if (!inputValue) {\n // Reset in case user had typed something previously.\n modelCtrl.$setValidity('editable', true);\n return null;\n }\n\n modelCtrl.$setValidity('editable', false);\n return undefined;\n });\n\n modelCtrl.$formatters.push(function(modelValue) {\n var candidateViewValue, emptyViewValue;\n var locals = {};\n\n // The validity may be set to false via $parsers (see above) if\n // the model is restricted to selected values. If the model\n // is set manually it is considered to be valid.\n if (!isEditable) {\n modelCtrl.$setValidity('editable', true);\n }\n\n if (inputFormatter) {\n locals.$model = modelValue;\n return inputFormatter(originalScope, locals);\n }\n\n //it might happen that we don't have enough info to properly render input value\n //we need to check for this situation and simply return model value if we can't apply custom formatting\n locals[parserResult.itemName] = modelValue;\n candidateViewValue = parserResult.viewMapper(originalScope, locals);\n locals[parserResult.itemName] = undefined;\n emptyViewValue = parserResult.viewMapper(originalScope, locals);\n\n return candidateViewValue !== emptyViewValue ? candidateViewValue : modelValue;\n });\n };\n\n function extractOptions(ngModelCtrl) {\n var ngModelOptions;\n\n if (angular.version.minor < 6) { // in angular < 1.6 $options could be missing\n // guarantee a value\n ngModelOptions = ngModelCtrl.$options || {};\n\n // mimic 1.6+ api\n ngModelOptions.getOption = function (key) {\n return ngModelOptions[key];\n };\n } else { // in angular >=1.6 $options is always present\n ngModelOptions = ngModelCtrl.$options;\n }\n\n return ngModelOptions;\n }\n }])\n\n .directive('uibTypeahead', function() {\n return {\n controller: 'UibTypeaheadController',\n require: ['ngModel', 'uibTypeahead'],\n link: function(originalScope, element, attrs, ctrls) {\n ctrls[1].init(ctrls[0]);\n }\n };\n })\n\n .directive('uibTypeaheadPopup', ['$$debounce', function($$debounce) {\n return {\n scope: {\n matches: '=',\n query: '=',\n active: '=',\n position: '&',\n moveInProgress: '=',\n select: '&',\n assignIsOpen: '&',\n debounce: '&'\n },\n replace: true,\n templateUrl: function(element, attrs) {\n return attrs.popupTemplateUrl || 'uib/template/typeahead/typeahead-popup.html';\n },\n link: function(scope, element, attrs) {\n scope.templateUrl = attrs.templateUrl;\n\n scope.isOpen = function() {\n var isDropdownOpen = scope.matches.length > 0;\n scope.assignIsOpen({ isOpen: isDropdownOpen });\n return isDropdownOpen;\n };\n\n scope.isActive = function(matchIdx) {\n return scope.active === matchIdx;\n };\n\n scope.selectActive = function(matchIdx) {\n scope.active = matchIdx;\n };\n\n scope.selectMatch = function(activeIdx, evt) {\n var debounce = scope.debounce();\n if (angular.isNumber(debounce) || angular.isObject(debounce)) {\n $$debounce(function() {\n scope.select({activeIdx: activeIdx, evt: evt});\n }, angular.isNumber(debounce) ? debounce : debounce['default']);\n } else {\n scope.select({activeIdx: activeIdx, evt: evt});\n }\n };\n }\n };\n }])\n\n .directive('uibTypeaheadMatch', ['$templateRequest', '$compile', '$parse', function($templateRequest, $compile, $parse) {\n return {\n scope: {\n index: '=',\n match: '=',\n query: '='\n },\n link: function(scope, element, attrs) {\n var tplUrl = $parse(attrs.templateUrl)(scope.$parent) || 'uib/template/typeahead/typeahead-match.html';\n $templateRequest(tplUrl).then(function(tplContent) {\n var tplEl = angular.element(tplContent.trim());\n element.replaceWith(tplEl);\n $compile(tplEl)(scope);\n });\n }\n };\n }])\n\n .filter('uibTypeaheadHighlight', ['$sce', '$injector', '$log', function($sce, $injector, $log) {\n var isSanitizePresent;\n isSanitizePresent = $injector.has('$sanitize');\n\n function escapeRegexp(queryToEscape) {\n // Regex: capture the whole query string and replace it with the string that will be used to match\n // the results, for example if the capture is \"a\" the result will be \\a\n return queryToEscape.replace(/([.?*+^$[\\]\\\\(){}|-])/g, '\\\\$1');\n }\n\n function containsHtml(matchItem) {\n return /<.*>/g.test(matchItem);\n }\n\n return function(matchItem, query) {\n if (!isSanitizePresent && containsHtml(matchItem)) {\n $log.warn('Unsafe use of typeahead please use ngSanitize'); // Warn the user about the danger\n }\n matchItem = query ? ('' + matchItem).replace(new RegExp(escapeRegexp(query), 'gi'), '$&') : matchItem; // Replaces the capture string with a the same string inside of a \"strong\" tag\n if (!isSanitizePresent) {\n matchItem = $sce.trustAsHtml(matchItem); // If $sanitize is not present we pack the string in a $sce object for the ng-bind-html directive\n }\n return matchItem;\n };\n }]);\n\nangular.module(\"uib/template/accordion/accordion-group.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/accordion/accordion-group.html\",\n \"\\n\" +\n \"
\\n\" +\n \" {{heading}}\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
1\\\">\\n\" +\n \" \\n\" +\n \" next\\n\" +\n \"\\n\" +\n \"
1\\\">\\n\" +\n \" - \\n\" +\n \" slide {{ $index + 1 }} of {{ slides.length }}, currently active\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/carousel/slide.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/carousel/slide.html\",\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/datepicker/datepicker.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/datepicker/datepicker.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/datepicker/day.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/datepicker/day.html\",\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" {{::label.abbr}} | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | {{ weekNumbers[$index] }} | \\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/datepicker/month.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/datepicker/month.html\",\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/datepicker/year.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/datepicker/year.html\",\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \" \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \" \\n\" +\n \" | \\n\" +\n \"
\\n\" +\n \" \\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/datepickerPopup/popup.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/datepickerPopup/popup.html\",\n \"\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/modal/window.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/modal/window.html\",\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/pager/pager.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/pager/pager.html\",\n \"
{{::getText('previous')}}\\n\" +\n \"
{{::getText('next')}}\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/pagination/pagination.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/pagination/pagination.html\",\n \"\\n\" +\n \"\\n\" +\n \"\\n\" +\n \"\\n\" +\n \"\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/tooltip/tooltip-html-popup.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/tooltip/tooltip-html-popup.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/tooltip/tooltip-popup.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/tooltip/tooltip-popup.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/tooltip/tooltip-template-popup.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/tooltip/tooltip-template-popup.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/popover/popover-html.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/popover/popover-html.html\",\n \"
\\n\" +\n \"\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/popover/popover-template.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/popover/popover-template.html\",\n \"
\\n\" +\n \"\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/popover/popover.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/popover/popover.html\",\n \"
\\n\" +\n \"\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/progressbar/bar.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/progressbar/bar.html\",\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/progressbar/progress.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/progressbar/progress.html\",\n \"
\");\n}]);\n\nangular.module(\"uib/template/progressbar/progressbar.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/progressbar/progressbar.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/rating/rating.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/rating/rating.html\",\n \"
\\n\" +\n \" ({{ $index < value ? '*' : ' ' }})\\n\" +\n \" \\n\" +\n \"\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/tabs/tab.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/tabs/tab.html\",\n \"
\\n\" +\n \" {{heading}}\\n\" +\n \"\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/tabs/tabset.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/tabs/tabset.html\",\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/timepicker/timepicker.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/timepicker/timepicker.html\",\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/typeahead/typeahead-match.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/typeahead/typeahead-match.html\",\n \"
\\n\" +\n \"\");\n}]);\n\nangular.module(\"uib/template/typeahead/typeahead-popup.html\", []).run([\"$templateCache\", function($templateCache) {\n $templateCache.put(\"uib/template/typeahead/typeahead-popup.html\",\n \"\\n\" +\n \"\");\n}]);\nangular.module('ui.bootstrap.carousel').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibCarouselCss && angular.element(document).find('head').prepend(''); angular.$$uibCarouselCss = true; });\nangular.module('ui.bootstrap.datepicker').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibDatepickerCss && angular.element(document).find('head').prepend(''); angular.$$uibDatepickerCss = true; });\nangular.module('ui.bootstrap.position').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibPositionCss && angular.element(document).find('head').prepend(''); angular.$$uibPositionCss = true; });\nangular.module('ui.bootstrap.datepickerPopup').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibDatepickerpopupCss && angular.element(document).find('head').prepend(''); angular.$$uibDatepickerpopupCss = true; });\nangular.module('ui.bootstrap.tooltip').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibTooltipCss && angular.element(document).find('head').prepend(''); angular.$$uibTooltipCss = true; });\nangular.module('ui.bootstrap.timepicker').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibTimepickerCss && angular.element(document).find('head').prepend(''); angular.$$uibTimepickerCss = true; });\nangular.module('ui.bootstrap.typeahead').run(function() {!angular.$$csp().noInlineStyle && !angular.$$uibTypeaheadCss && angular.element(document).find('head').prepend(''); angular.$$uibTypeaheadCss = true; });\n!function(n){\"use strict\";function t(n,t){return-1!==n.indexOf(t,n.length-t.length)}function e(){}function u(n,f){function c(n,t){return b.push(n),H.push(t),R!=o&&(R=o,setTimeout(function(){l()},0)),d}function l(){if(R!=o)return R=i,S(n),void(S=e);if(++L==b.length){if(!h)return L=b.length-1,void(R=i);L=0}b[L].apply(null,[].concat(l,H[L]))}function s(t,e,u){var i=e.length;return i?void function r(o){setTimeout(function(){M(n,x(n)+e[o]),o+=1,i>o?r(o):t()},u)}(0):t()}function a(e,u,i){var r=x(n),o=r.length;return null!=u&&(\"string\"==typeof u?o=t(r,u+T)?u.length+T.length:0:u>-1&&(o=Math.min(u,o))),o?void function f(t){setTimeout(function(){var u=x(n);t?(M(n,u.substring(0,u.length-1)),f(t-1)):e()},i)}(o):e()}function g(t){M(n,\"\"),t()}function p(t,e){e.call(t,n)}var d=this;if(!(d instanceof u))return new u(n,f);f=f||{};var h=f.loop,v=f.speed||f.typeSpeed||50,m=f.speed||f.deleteSpeed||50,y=f.delay||f.pauseDelay||2e3,T=f.postfix||\"\",x=f.getter||function(n){return n.innerHTML},M=f.setter||function(n,t){n.innerHTML=t},b=[],H=[],L=-1,R=i,S=e;d.type=function(n,t){return c(s,[n+T,t||v])},d[\"delete\"]=function(n,t){return c(a,[n,t||m])},d.clear=function(){return c(g)},d.pause=function(n){return c(setTimeout,[n||y])},d.call=function(n){return c(p,[n])},d.triggerPause=function(n){return R=r,S=n||e,d},d.triggerResume=function(){if(R!=o){var n=R;R=o,n==i&&l()}return d},d.isRunning=function(){return R!=i}}var i=0,r=1,o=2;\"object\"==typeof module?module.exports=u:n.malarkey=u}(this);\n(function() {\n 'use strict';\n\n angular.module('toastr', [])\n .factory('toastr', toastr);\n\n toastr.$inject = ['$animate', '$injector', '$document', '$rootScope', '$sce', 'toastrConfig', '$q'];\n\n function toastr($animate, $injector, $document, $rootScope, $sce, toastrConfig, $q) {\n var container;\n var index = 0;\n var toasts = [];\n\n var previousToastMessage = '';\n var openToasts = {};\n\n var containerDefer = $q.defer();\n\n var toast = {\n clear: clear,\n error: error,\n info: info,\n remove: remove,\n success: success,\n warning: warning\n };\n\n return toast;\n\n /* Public API */\n function clear(toast) {\n // Bit of a hack, I will remove this soon with a BC\n if (arguments.length === 1 && !toast) { return; }\n\n if (toast) {\n remove(toast.toastId);\n } else {\n for (var i = 0; i < toasts.length; i++) {\n remove(toasts[i].toastId);\n }\n }\n }\n\n function error(message, title, optionsOverride) {\n var type = _getOptions().iconClasses.error;\n return _buildNotification(type, message, title, optionsOverride);\n }\n\n function info(message, title, optionsOverride) {\n var type = _getOptions().iconClasses.info;\n return _buildNotification(type, message, title, optionsOverride);\n }\n\n function success(message, title, optionsOverride) {\n var type = _getOptions().iconClasses.success;\n return _buildNotification(type, message, title, optionsOverride);\n }\n\n function warning(message, title, optionsOverride) {\n var type = _getOptions().iconClasses.warning;\n return _buildNotification(type, message, title, optionsOverride);\n }\n\n function remove(toastId, wasClicked) {\n var toast = findToast(toastId);\n\n if (toast && ! toast.deleting) { // Avoid clicking when fading out\n toast.deleting = true;\n toast.isOpened = false;\n $animate.leave(toast.el).then(function() {\n if (toast.scope.options.onHidden) {\n toast.scope.options.onHidden(wasClicked);\n }\n toast.scope.$destroy();\n var index = toasts.indexOf(toast);\n delete openToasts[toast.scope.message];\n toasts.splice(index, 1);\n var maxOpened = toastrConfig.maxOpened;\n if (maxOpened && toasts.length >= maxOpened) {\n toasts[maxOpened - 1].open.resolve();\n }\n if (lastToast()) {\n container.remove();\n container = null;\n containerDefer = $q.defer();\n }\n });\n }\n\n function findToast(toastId) {\n for (var i = 0; i < toasts.length; i++) {\n if (toasts[i].toastId === toastId) {\n return toasts[i];\n }\n }\n }\n\n function lastToast() {\n return !toasts.length;\n }\n }\n\n /* Internal functions */\n function _buildNotification(type, message, title, optionsOverride)\n {\n if (angular.isObject(title)) {\n optionsOverride = title;\n title = null;\n }\n\n return _notify({\n iconClass: type,\n message: message,\n optionsOverride: optionsOverride,\n title: title\n });\n }\n\n function _getOptions() {\n return angular.extend({}, toastrConfig);\n }\n\n function _createOrGetContainer(options) {\n if(container) { return containerDefer.promise; }\n\n container = angular.element('
');\n container.attr('id', options.containerId);\n container.addClass(options.positionClass);\n container.css({'pointer-events': 'auto'});\n\n var target = angular.element(document.querySelector(options.target));\n\n if ( ! target || ! target.length) {\n throw 'Target for toasts doesn\\'t exist';\n }\n\n $animate.enter(container, target).then(function() {\n containerDefer.resolve();\n });\n\n return containerDefer.promise;\n }\n\n function _notify(map) {\n var options = _getOptions();\n\n if (shouldExit()) { return; }\n\n var newToast = createToast();\n\n toasts.push(newToast);\n\n if (ifMaxOpenedAndAutoDismiss()) {\n var oldToasts = toasts.slice(0, (toasts.length - options.maxOpened));\n for (var i = 0, len = oldToasts.length; i < len; i++) {\n remove(oldToasts[i].toastId);\n }\n }\n\n if (maxOpenedNotReached()) {\n newToast.open.resolve();\n }\n\n newToast.open.promise.then(function() {\n _createOrGetContainer(options).then(function() {\n newToast.isOpened = true;\n if (options.newestOnTop) {\n $animate.enter(newToast.el, container).then(function() {\n newToast.scope.init();\n });\n } else {\n var sibling = container[0].lastChild ? angular.element(container[0].lastChild) : null;\n $animate.enter(newToast.el, container, sibling).then(function() {\n newToast.scope.init();\n });\n }\n });\n });\n\n return newToast;\n\n function ifMaxOpenedAndAutoDismiss() {\n return options.autoDismiss && options.maxOpened && toasts.length > options.maxOpened;\n }\n\n function createScope(toast, map, options) {\n if (options.allowHtml) {\n toast.scope.allowHtml = true;\n toast.scope.title = $sce.trustAsHtml(map.title);\n toast.scope.message = $sce.trustAsHtml(map.message);\n } else {\n toast.scope.title = map.title;\n toast.scope.message = map.message;\n }\n\n toast.scope.toastType = toast.iconClass;\n toast.scope.toastId = toast.toastId;\n toast.scope.extraData = options.extraData;\n\n toast.scope.options = {\n extendedTimeOut: options.extendedTimeOut,\n messageClass: options.messageClass,\n onHidden: options.onHidden,\n onShown: options.onShown,\n onTap: options.onTap,\n progressBar: options.progressBar,\n tapToDismiss: options.tapToDismiss,\n timeOut: options.timeOut,\n titleClass: options.titleClass,\n toastClass: options.toastClass\n };\n\n if (options.closeButton) {\n toast.scope.options.closeHtml = options.closeHtml;\n }\n }\n\n function createToast() {\n var newToast = {\n toastId: index++,\n isOpened: false,\n scope: $rootScope.$new(),\n open: $q.defer()\n };\n newToast.iconClass = map.iconClass;\n if (map.optionsOverride) {\n angular.extend(options, cleanOptionsOverride(map.optionsOverride));\n newToast.iconClass = map.optionsOverride.iconClass || newToast.iconClass;\n }\n\n createScope(newToast, map, options);\n\n newToast.el = createToastEl(newToast.scope);\n\n return newToast;\n\n function cleanOptionsOverride(options) {\n var badOptions = ['containerId', 'iconClasses', 'maxOpened', 'newestOnTop',\n 'positionClass', 'preventDuplicates', 'preventOpenDuplicates', 'templates'];\n for (var i = 0, l = badOptions.length; i < l; i++) {\n delete options[badOptions[i]];\n }\n\n return options;\n }\n }\n\n function createToastEl(scope) {\n var angularDomEl = angular.element('
'),\n $compile = $injector.get('$compile');\n return $compile(angularDomEl)(scope);\n }\n\n function maxOpenedNotReached() {\n return options.maxOpened && toasts.length <= options.maxOpened || !options.maxOpened;\n }\n\n function shouldExit() {\n var isDuplicateOfLast = options.preventDuplicates && map.message === previousToastMessage;\n var isDuplicateOpen = options.preventOpenDuplicates && openToasts[map.message];\n\n if (isDuplicateOfLast || isDuplicateOpen) {\n return true;\n }\n\n previousToastMessage = map.message;\n openToasts[map.message] = true;\n\n return false;\n }\n }\n }\n}());\n\n(function() {\n 'use strict';\n\n angular.module('toastr')\n .constant('toastrConfig', {\n allowHtml: false,\n autoDismiss: false,\n closeButton: false,\n closeHtml: '
',\n containerId: 'toast-container',\n extendedTimeOut: 1000,\n iconClasses: {\n error: 'toast-error',\n info: 'toast-info',\n success: 'toast-success',\n warning: 'toast-warning'\n },\n maxOpened: 0,\n messageClass: 'toast-message',\n newestOnTop: true,\n onHidden: null,\n onShown: null,\n onTap: null,\n positionClass: 'toast-top-right',\n preventDuplicates: false,\n preventOpenDuplicates: false,\n progressBar: false,\n tapToDismiss: true,\n target: 'body',\n templates: {\n toast: 'directives/toast/toast.html',\n progressbar: 'directives/progressbar/progressbar.html'\n },\n timeOut: 5000,\n titleClass: 'toast-title',\n toastClass: 'toast'\n });\n}());\n\n(function() {\n 'use strict';\n\n angular.module('toastr')\n .directive('progressBar', progressBar);\n\n progressBar.$inject = ['toastrConfig'];\n\n function progressBar(toastrConfig) {\n return {\n replace: true,\n require: '^toast',\n templateUrl: function() {\n return toastrConfig.templates.progressbar;\n },\n link: linkFunction\n };\n\n function linkFunction(scope, element, attrs, toastCtrl) {\n var intervalId, currentTimeOut, hideTime;\n\n toastCtrl.progressBar = scope;\n\n scope.start = function(duration) {\n if (intervalId) {\n clearInterval(intervalId);\n }\n\n currentTimeOut = parseFloat(duration);\n hideTime = new Date().getTime() + currentTimeOut;\n intervalId = setInterval(updateProgress, 10);\n };\n\n scope.stop = function() {\n if (intervalId) {\n clearInterval(intervalId);\n }\n };\n\n function updateProgress() {\n var percentage = ((hideTime - (new Date().getTime())) / currentTimeOut) * 100;\n element.css('width', percentage + '%');\n }\n\n scope.$on('$destroy', function() {\n // Failsafe stop\n clearInterval(intervalId);\n });\n }\n }\n}());\n\n(function() {\n 'use strict';\n\n angular.module('toastr')\n .controller('ToastController', ToastController);\n\n function ToastController() {\n this.progressBar = null;\n\n this.startProgressBar = function(duration) {\n if (this.progressBar) {\n this.progressBar.start(duration);\n }\n };\n\n this.stopProgressBar = function() {\n if (this.progressBar) {\n this.progressBar.stop();\n }\n };\n }\n}());\n\n(function() {\n 'use strict';\n\n angular.module('toastr')\n .directive('toast', toast);\n\n toast.$inject = ['$injector', '$interval', 'toastrConfig', 'toastr'];\n\n function toast($injector, $interval, toastrConfig, toastr) {\n return {\n replace: true,\n templateUrl: function() {\n return toastrConfig.templates.toast;\n },\n controller: 'ToastController',\n link: toastLinkFunction\n };\n\n function toastLinkFunction(scope, element, attrs, toastCtrl) {\n var timeout;\n\n scope.toastClass = scope.options.toastClass;\n scope.titleClass = scope.options.titleClass;\n scope.messageClass = scope.options.messageClass;\n scope.progressBar = scope.options.progressBar;\n\n if (wantsCloseButton()) {\n var button = angular.element(scope.options.closeHtml),\n $compile = $injector.get('$compile');\n button.addClass('toast-close-button');\n button.attr('ng-click', 'close(true, $event)');\n $compile(button)(scope);\n element.prepend(button);\n }\n\n scope.init = function() {\n if (scope.options.timeOut) {\n timeout = createTimeout(scope.options.timeOut);\n }\n if (scope.options.onShown) {\n scope.options.onShown();\n }\n };\n\n element.on('mouseenter', function() {\n hideAndStopProgressBar();\n if (timeout) {\n $interval.cancel(timeout);\n }\n });\n\n scope.tapToast = function () {\n if (angular.isFunction(scope.options.onTap)) {\n scope.options.onTap();\n }\n if (scope.options.tapToDismiss) {\n scope.close(true);\n }\n };\n\n scope.close = function (wasClicked, $event) {\n if ($event && angular.isFunction($event.stopPropagation)) {\n $event.stopPropagation();\n }\n toastr.remove(scope.toastId, wasClicked);\n };\n\n element.on('mouseleave', function() {\n if (scope.options.timeOut === 0 && scope.options.extendedTimeOut === 0) { return; }\n scope.$apply(function() {\n scope.progressBar = scope.options.progressBar;\n });\n timeout = createTimeout(scope.options.extendedTimeOut);\n });\n\n function createTimeout(time) {\n toastCtrl.startProgressBar(time);\n return $interval(function() {\n toastCtrl.stopProgressBar();\n toastr.remove(scope.toastId);\n }, time, 1);\n }\n\n function hideAndStopProgressBar() {\n scope.progressBar = false;\n toastCtrl.stopProgressBar();\n }\n\n function wantsCloseButton() {\n return scope.options.closeHtml;\n }\n }\n }\n}());\n\nangular.module(\"toastr\").run([\"$templateCache\", function($templateCache) {$templateCache.put(\"directives/progressbar/progressbar.html\",\"
\\n\");\n$templateCache.put(\"directives/toast/toast.html\",\"
\\n
\\n
{{title}}
\\n
{{message}}
\\n
\\n
\\n
\\n
\\n
\\n\");}]);\n//! moment.js\n//! version : 2.10.6\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n global.moment = factory()\n}(this, function () { 'use strict';\n\n var hookCallback;\n\n function utils_hooks__hooks () {\n return hookCallback.apply(null, arguments);\n }\n\n // This is done to register the method called with moment()\n // without creating circular dependencies.\n function setHookCallback (callback) {\n hookCallback = callback;\n }\n\n function isArray(input) {\n return Object.prototype.toString.call(input) === '[object Array]';\n }\n\n function isDate(input) {\n return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n }\n\n function map(arr, fn) {\n var res = [], i;\n for (i = 0; i < arr.length; ++i) {\n res.push(fn(arr[i], i));\n }\n return res;\n }\n\n function hasOwnProp(a, b) {\n return Object.prototype.hasOwnProperty.call(a, b);\n }\n\n function extend(a, b) {\n for (var i in b) {\n if (hasOwnProp(b, i)) {\n a[i] = b[i];\n }\n }\n\n if (hasOwnProp(b, 'toString')) {\n a.toString = b.toString;\n }\n\n if (hasOwnProp(b, 'valueOf')) {\n a.valueOf = b.valueOf;\n }\n\n return a;\n }\n\n function create_utc__createUTC (input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, true).utc();\n }\n\n function defaultParsingFlags() {\n // We need to deep clone this object.\n return {\n empty : false,\n unusedTokens : [],\n unusedInput : [],\n overflow : -2,\n charsLeftOver : 0,\n nullInput : false,\n invalidMonth : null,\n invalidFormat : false,\n userInvalidated : false,\n iso : false\n };\n }\n\n function getParsingFlags(m) {\n if (m._pf == null) {\n m._pf = defaultParsingFlags();\n }\n return m._pf;\n }\n\n function valid__isValid(m) {\n if (m._isValid == null) {\n var flags = getParsingFlags(m);\n m._isValid = !isNaN(m._d.getTime()) &&\n flags.overflow < 0 &&\n !flags.empty &&\n !flags.invalidMonth &&\n !flags.invalidWeekday &&\n !flags.nullInput &&\n !flags.invalidFormat &&\n !flags.userInvalidated;\n\n if (m._strict) {\n m._isValid = m._isValid &&\n flags.charsLeftOver === 0 &&\n flags.unusedTokens.length === 0 &&\n flags.bigHour === undefined;\n }\n }\n return m._isValid;\n }\n\n function valid__createInvalid (flags) {\n var m = create_utc__createUTC(NaN);\n if (flags != null) {\n extend(getParsingFlags(m), flags);\n }\n else {\n getParsingFlags(m).userInvalidated = true;\n }\n\n return m;\n }\n\n var momentProperties = utils_hooks__hooks.momentProperties = [];\n\n function copyConfig(to, from) {\n var i, prop, val;\n\n if (typeof from._isAMomentObject !== 'undefined') {\n to._isAMomentObject = from._isAMomentObject;\n }\n if (typeof from._i !== 'undefined') {\n to._i = from._i;\n }\n if (typeof from._f !== 'undefined') {\n to._f = from._f;\n }\n if (typeof from._l !== 'undefined') {\n to._l = from._l;\n }\n if (typeof from._strict !== 'undefined') {\n to._strict = from._strict;\n }\n if (typeof from._tzm !== 'undefined') {\n to._tzm = from._tzm;\n }\n if (typeof from._isUTC !== 'undefined') {\n to._isUTC = from._isUTC;\n }\n if (typeof from._offset !== 'undefined') {\n to._offset = from._offset;\n }\n if (typeof from._pf !== 'undefined') {\n to._pf = getParsingFlags(from);\n }\n if (typeof from._locale !== 'undefined') {\n to._locale = from._locale;\n }\n\n if (momentProperties.length > 0) {\n for (i in momentProperties) {\n prop = momentProperties[i];\n val = from[prop];\n if (typeof val !== 'undefined') {\n to[prop] = val;\n }\n }\n }\n\n return to;\n }\n\n var updateInProgress = false;\n\n // Moment prototype object\n function Moment(config) {\n copyConfig(this, config);\n this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n // Prevent infinite loop in case updateOffset creates new moment\n // objects.\n if (updateInProgress === false) {\n updateInProgress = true;\n utils_hooks__hooks.updateOffset(this);\n updateInProgress = false;\n }\n }\n\n function isMoment (obj) {\n return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n }\n\n function absFloor (number) {\n if (number < 0) {\n return Math.ceil(number);\n } else {\n return Math.floor(number);\n }\n }\n\n function toInt(argumentForCoercion) {\n var coercedNumber = +argumentForCoercion,\n value = 0;\n\n if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n value = absFloor(coercedNumber);\n }\n\n return value;\n }\n\n function compareArrays(array1, array2, dontConvert) {\n var len = Math.min(array1.length, array2.length),\n lengthDiff = Math.abs(array1.length - array2.length),\n diffs = 0,\n i;\n for (i = 0; i < len; i++) {\n if ((dontConvert && array1[i] !== array2[i]) ||\n (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n diffs++;\n }\n }\n return diffs + lengthDiff;\n }\n\n function Locale() {\n }\n\n var locales = {};\n var globalLocale;\n\n function normalizeLocale(key) {\n return key ? key.toLowerCase().replace('_', '-') : key;\n }\n\n // pick the locale from the array\n // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n function chooseLocale(names) {\n var i = 0, j, next, locale, split;\n\n while (i < names.length) {\n split = normalizeLocale(names[i]).split('-');\n j = split.length;\n next = normalizeLocale(names[i + 1]);\n next = next ? next.split('-') : null;\n while (j > 0) {\n locale = loadLocale(split.slice(0, j).join('-'));\n if (locale) {\n return locale;\n }\n if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n //the next array item is better than a shallower substring of this one\n break;\n }\n j--;\n }\n i++;\n }\n return null;\n }\n\n function loadLocale(name) {\n var oldLocale = null;\n // TODO: Find a better way to register and load all the locales in Node\n if (!locales[name] && typeof module !== 'undefined' &&\n module && module.exports) {\n try {\n oldLocale = globalLocale._abbr;\n require('./locale/' + name);\n // because defineLocale currently also sets the global locale, we\n // want to undo that for lazy loaded locales\n locale_locales__getSetGlobalLocale(oldLocale);\n } catch (e) { }\n }\n return locales[name];\n }\n\n // This function will load locale and then set the global locale. If\n // no arguments are passed in, it will simply return the current global\n // locale key.\n function locale_locales__getSetGlobalLocale (key, values) {\n var data;\n if (key) {\n if (typeof values === 'undefined') {\n data = locale_locales__getLocale(key);\n }\n else {\n data = defineLocale(key, values);\n }\n\n if (data) {\n // moment.duration._locale = moment._locale = data;\n globalLocale = data;\n }\n }\n\n return globalLocale._abbr;\n }\n\n function defineLocale (name, values) {\n if (values !== null) {\n values.abbr = name;\n locales[name] = locales[name] || new Locale();\n locales[name].set(values);\n\n // backwards compat for now: also set the locale\n locale_locales__getSetGlobalLocale(name);\n\n return locales[name];\n } else {\n // useful for testing\n delete locales[name];\n return null;\n }\n }\n\n // returns locale data\n function locale_locales__getLocale (key) {\n var locale;\n\n if (key && key._locale && key._locale._abbr) {\n key = key._locale._abbr;\n }\n\n if (!key) {\n return globalLocale;\n }\n\n if (!isArray(key)) {\n //short-circuit everything else\n locale = loadLocale(key);\n if (locale) {\n return locale;\n }\n key = [key];\n }\n\n return chooseLocale(key);\n }\n\n var aliases = {};\n\n function addUnitAlias (unit, shorthand) {\n var lowerCase = unit.toLowerCase();\n aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n }\n\n function normalizeUnits(units) {\n return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n }\n\n function normalizeObjectUnits(inputObject) {\n var normalizedInput = {},\n normalizedProp,\n prop;\n\n for (prop in inputObject) {\n if (hasOwnProp(inputObject, prop)) {\n normalizedProp = normalizeUnits(prop);\n if (normalizedProp) {\n normalizedInput[normalizedProp] = inputObject[prop];\n }\n }\n }\n\n return normalizedInput;\n }\n\n function makeGetSet (unit, keepTime) {\n return function (value) {\n if (value != null) {\n get_set__set(this, unit, value);\n utils_hooks__hooks.updateOffset(this, keepTime);\n return this;\n } else {\n return get_set__get(this, unit);\n }\n };\n }\n\n function get_set__get (mom, unit) {\n return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]();\n }\n\n function get_set__set (mom, unit, value) {\n return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n }\n\n // MOMENTS\n\n function getSet (units, value) {\n var unit;\n if (typeof units === 'object') {\n for (unit in units) {\n this.set(unit, units[unit]);\n }\n } else {\n units = normalizeUnits(units);\n if (typeof this[units] === 'function') {\n return this[units](value);\n }\n }\n return this;\n }\n\n function zeroFill(number, targetLength, forceSign) {\n var absNumber = '' + Math.abs(number),\n zerosToFill = targetLength - absNumber.length,\n sign = number >= 0;\n return (sign ? (forceSign ? '+' : '') : '-') +\n Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n }\n\n var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\n var localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\n var formatFunctions = {};\n\n var formatTokenFunctions = {};\n\n // token: 'M'\n // padded: ['MM', 2]\n // ordinal: 'Mo'\n // callback: function () { this.month() + 1 }\n function addFormatToken (token, padded, ordinal, callback) {\n var func = callback;\n if (typeof callback === 'string') {\n func = function () {\n return this[callback]();\n };\n }\n if (token) {\n formatTokenFunctions[token] = func;\n }\n if (padded) {\n formatTokenFunctions[padded[0]] = function () {\n return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n };\n }\n if (ordinal) {\n formatTokenFunctions[ordinal] = function () {\n return this.localeData().ordinal(func.apply(this, arguments), token);\n };\n }\n }\n\n function removeFormattingTokens(input) {\n if (input.match(/\\[[\\s\\S]/)) {\n return input.replace(/^\\[|\\]$/g, '');\n }\n return input.replace(/\\\\/g, '');\n }\n\n function makeFormatFunction(format) {\n var array = format.match(formattingTokens), i, length;\n\n for (i = 0, length = array.length; i < length; i++) {\n if (formatTokenFunctions[array[i]]) {\n array[i] = formatTokenFunctions[array[i]];\n } else {\n array[i] = removeFormattingTokens(array[i]);\n }\n }\n\n return function (mom) {\n var output = '';\n for (i = 0; i < length; i++) {\n output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];\n }\n return output;\n };\n }\n\n // format date using native date object\n function formatMoment(m, format) {\n if (!m.isValid()) {\n return m.localeData().invalidDate();\n }\n\n format = expandFormat(format, m.localeData());\n formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n return formatFunctions[format](m);\n }\n\n function expandFormat(format, locale) {\n var i = 5;\n\n function replaceLongDateFormatTokens(input) {\n return locale.longDateFormat(input) || input;\n }\n\n localFormattingTokens.lastIndex = 0;\n while (i >= 0 && localFormattingTokens.test(format)) {\n format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n localFormattingTokens.lastIndex = 0;\n i -= 1;\n }\n\n return format;\n }\n\n var match1 = /\\d/; // 0 - 9\n var match2 = /\\d\\d/; // 00 - 99\n var match3 = /\\d{3}/; // 000 - 999\n var match4 = /\\d{4}/; // 0000 - 9999\n var match6 = /[+-]?\\d{6}/; // -999999 - 999999\n var match1to2 = /\\d\\d?/; // 0 - 99\n var match1to3 = /\\d{1,3}/; // 0 - 999\n var match1to4 = /\\d{1,4}/; // 0 - 9999\n var match1to6 = /[+-]?\\d{1,6}/; // -999999 - 999999\n\n var matchUnsigned = /\\d+/; // 0 - inf\n var matchSigned = /[+-]?\\d+/; // -inf - inf\n\n var matchOffset = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\n\n var matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n // any word (or two) characters or numbers including two/three word month in arabic.\n var matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n var regexes = {};\n\n function isFunction (sth) {\n // https://github.com/moment/moment/issues/2325\n return typeof sth === 'function' &&\n Object.prototype.toString.call(sth) === '[object Function]';\n }\n\n\n function addRegexToken (token, regex, strictRegex) {\n regexes[token] = isFunction(regex) ? regex : function (isStrict) {\n return (isStrict && strictRegex) ? strictRegex : regex;\n };\n }\n\n function getParseRegexForToken (token, config) {\n if (!hasOwnProp(regexes, token)) {\n return new RegExp(unescapeFormat(token));\n }\n\n return regexes[token](config._strict, config._locale);\n }\n\n // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n function unescapeFormat(s) {\n return s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n return p1 || p2 || p3 || p4;\n }).replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n }\n\n var tokens = {};\n\n function addParseToken (token, callback) {\n var i, func = callback;\n if (typeof token === 'string') {\n token = [token];\n }\n if (typeof callback === 'number') {\n func = function (input, array) {\n array[callback] = toInt(input);\n };\n }\n for (i = 0; i < token.length; i++) {\n tokens[token[i]] = func;\n }\n }\n\n function addWeekParseToken (token, callback) {\n addParseToken(token, function (input, array, config, token) {\n config._w = config._w || {};\n callback(input, config._w, config, token);\n });\n }\n\n function addTimeToArrayFromToken(token, input, config) {\n if (input != null && hasOwnProp(tokens, token)) {\n tokens[token](input, config._a, config, token);\n }\n }\n\n var YEAR = 0;\n var MONTH = 1;\n var DATE = 2;\n var HOUR = 3;\n var MINUTE = 4;\n var SECOND = 5;\n var MILLISECOND = 6;\n\n function daysInMonth(year, month) {\n return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n }\n\n // FORMATTING\n\n addFormatToken('M', ['MM', 2], 'Mo', function () {\n return this.month() + 1;\n });\n\n addFormatToken('MMM', 0, 0, function (format) {\n return this.localeData().monthsShort(this, format);\n });\n\n addFormatToken('MMMM', 0, 0, function (format) {\n return this.localeData().months(this, format);\n });\n\n // ALIASES\n\n addUnitAlias('month', 'M');\n\n // PARSING\n\n addRegexToken('M', match1to2);\n addRegexToken('MM', match1to2, match2);\n addRegexToken('MMM', matchWord);\n addRegexToken('MMMM', matchWord);\n\n addParseToken(['M', 'MM'], function (input, array) {\n array[MONTH] = toInt(input) - 1;\n });\n\n addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n var month = config._locale.monthsParse(input, token, config._strict);\n // if we didn't find a month name, mark the date as invalid.\n if (month != null) {\n array[MONTH] = month;\n } else {\n getParsingFlags(config).invalidMonth = input;\n }\n });\n\n // LOCALES\n\n var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\n function localeMonths (m) {\n return this._months[m.month()];\n }\n\n var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\n function localeMonthsShort (m) {\n return this._monthsShort[m.month()];\n }\n\n function localeMonthsParse (monthName, format, strict) {\n var i, mom, regex;\n\n if (!this._monthsParse) {\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n }\n\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = create_utc__createUTC([2000, i]);\n if (strict && !this._longMonthsParse[i]) {\n this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n }\n if (!strict && !this._monthsParse[i]) {\n regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n return i;\n } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n return i;\n } else if (!strict && this._monthsParse[i].test(monthName)) {\n return i;\n }\n }\n }\n\n // MOMENTS\n\n function setMonth (mom, value) {\n var dayOfMonth;\n\n // TODO: Move this out of here!\n if (typeof value === 'string') {\n value = mom.localeData().monthsParse(value);\n // TODO: Another silent failure?\n if (typeof value !== 'number') {\n return mom;\n }\n }\n\n dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n return mom;\n }\n\n function getSetMonth (value) {\n if (value != null) {\n setMonth(this, value);\n utils_hooks__hooks.updateOffset(this, true);\n return this;\n } else {\n return get_set__get(this, 'Month');\n }\n }\n\n function getDaysInMonth () {\n return daysInMonth(this.year(), this.month());\n }\n\n function checkOverflow (m) {\n var overflow;\n var a = m._a;\n\n if (a && getParsingFlags(m).overflow === -2) {\n overflow =\n a[MONTH] < 0 || a[MONTH] > 11 ? MONTH :\n a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE :\n a[SECOND] < 0 || a[SECOND] > 59 ? SECOND :\n a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n -1;\n\n if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n overflow = DATE;\n }\n\n getParsingFlags(m).overflow = overflow;\n }\n\n return m;\n }\n\n function warn(msg) {\n if (utils_hooks__hooks.suppressDeprecationWarnings === false && typeof console !== 'undefined' && console.warn) {\n console.warn('Deprecation warning: ' + msg);\n }\n }\n\n function deprecate(msg, fn) {\n var firstTime = true;\n\n return extend(function () {\n if (firstTime) {\n warn(msg + '\\n' + (new Error()).stack);\n firstTime = false;\n }\n return fn.apply(this, arguments);\n }, fn);\n }\n\n var deprecations = {};\n\n function deprecateSimple(name, msg) {\n if (!deprecations[name]) {\n warn(msg);\n deprecations[name] = true;\n }\n }\n\n utils_hooks__hooks.suppressDeprecationWarnings = false;\n\n var from_string__isoRegex = /^\\s*(?:[+-]\\d{6}|\\d{4})-(?:(\\d\\d-\\d\\d)|(W\\d\\d$)|(W\\d\\d-\\d)|(\\d\\d\\d))((T| )(\\d\\d(:\\d\\d(:\\d\\d(\\.\\d+)?)?)?)?([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\n var isoDates = [\n ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d{2}-\\d{2}/],\n ['YYYY-MM-DD', /\\d{4}-\\d{2}-\\d{2}/],\n ['GGGG-[W]WW-E', /\\d{4}-W\\d{2}-\\d/],\n ['GGGG-[W]WW', /\\d{4}-W\\d{2}/],\n ['YYYY-DDD', /\\d{4}-\\d{3}/]\n ];\n\n // iso time formats and regexes\n var isoTimes = [\n ['HH:mm:ss.SSSS', /(T| )\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n ['HH:mm:ss', /(T| )\\d\\d:\\d\\d:\\d\\d/],\n ['HH:mm', /(T| )\\d\\d:\\d\\d/],\n ['HH', /(T| )\\d\\d/]\n ];\n\n var aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n // date from iso format\n function configFromISO(config) {\n var i, l,\n string = config._i,\n match = from_string__isoRegex.exec(string);\n\n if (match) {\n getParsingFlags(config).iso = true;\n for (i = 0, l = isoDates.length; i < l; i++) {\n if (isoDates[i][1].exec(string)) {\n config._f = isoDates[i][0];\n break;\n }\n }\n for (i = 0, l = isoTimes.length; i < l; i++) {\n if (isoTimes[i][1].exec(string)) {\n // match[6] should be 'T' or space\n config._f += (match[6] || ' ') + isoTimes[i][0];\n break;\n }\n }\n if (string.match(matchOffset)) {\n config._f += 'Z';\n }\n configFromStringAndFormat(config);\n } else {\n config._isValid = false;\n }\n }\n\n // date from iso format or fallback\n function configFromString(config) {\n var matched = aspNetJsonRegex.exec(config._i);\n\n if (matched !== null) {\n config._d = new Date(+matched[1]);\n return;\n }\n\n configFromISO(config);\n if (config._isValid === false) {\n delete config._isValid;\n utils_hooks__hooks.createFromInputFallback(config);\n }\n }\n\n utils_hooks__hooks.createFromInputFallback = deprecate(\n 'moment construction falls back to js Date. This is ' +\n 'discouraged and will be removed in upcoming major ' +\n 'release. Please refer to ' +\n 'https://github.com/moment/moment/issues/1407 for more info.',\n function (config) {\n config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n }\n );\n\n function createDate (y, m, d, h, M, s, ms) {\n //can't just apply() to create a date:\n //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply\n var date = new Date(y, m, d, h, M, s, ms);\n\n //the date constructor doesn't accept years < 1970\n if (y < 1970) {\n date.setFullYear(y);\n }\n return date;\n }\n\n function createUTCDate (y) {\n var date = new Date(Date.UTC.apply(null, arguments));\n if (y < 1970) {\n date.setUTCFullYear(y);\n }\n return date;\n }\n\n addFormatToken(0, ['YY', 2], 0, function () {\n return this.year() % 100;\n });\n\n addFormatToken(0, ['YYYY', 4], 0, 'year');\n addFormatToken(0, ['YYYYY', 5], 0, 'year');\n addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n // ALIASES\n\n addUnitAlias('year', 'y');\n\n // PARSING\n\n addRegexToken('Y', matchSigned);\n addRegexToken('YY', match1to2, match2);\n addRegexToken('YYYY', match1to4, match4);\n addRegexToken('YYYYY', match1to6, match6);\n addRegexToken('YYYYYY', match1to6, match6);\n\n addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n addParseToken('YYYY', function (input, array) {\n array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);\n });\n addParseToken('YY', function (input, array) {\n array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);\n });\n\n // HELPERS\n\n function daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n }\n\n function isLeapYear(year) {\n return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n }\n\n // HOOKS\n\n utils_hooks__hooks.parseTwoDigitYear = function (input) {\n return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n };\n\n // MOMENTS\n\n var getSetYear = makeGetSet('FullYear', false);\n\n function getIsLeapYear () {\n return isLeapYear(this.year());\n }\n\n addFormatToken('w', ['ww', 2], 'wo', 'week');\n addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n // ALIASES\n\n addUnitAlias('week', 'w');\n addUnitAlias('isoWeek', 'W');\n\n // PARSING\n\n addRegexToken('w', match1to2);\n addRegexToken('ww', match1to2, match2);\n addRegexToken('W', match1to2);\n addRegexToken('WW', match1to2, match2);\n\n addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n week[token.substr(0, 1)] = toInt(input);\n });\n\n // HELPERS\n\n // firstDayOfWeek 0 = sun, 6 = sat\n // the day of the week that starts the week\n // (usually sunday or monday)\n // firstDayOfWeekOfYear 0 = sun, 6 = sat\n // the first week is the week that contains the first\n // of this day of the week\n // (eg. ISO weeks use thursday (4))\n function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {\n var end = firstDayOfWeekOfYear - firstDayOfWeek,\n daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),\n adjustedMoment;\n\n\n if (daysToDayOfWeek > end) {\n daysToDayOfWeek -= 7;\n }\n\n if (daysToDayOfWeek < end - 7) {\n daysToDayOfWeek += 7;\n }\n\n adjustedMoment = local__createLocal(mom).add(daysToDayOfWeek, 'd');\n return {\n week: Math.ceil(adjustedMoment.dayOfYear() / 7),\n year: adjustedMoment.year()\n };\n }\n\n // LOCALES\n\n function localeWeek (mom) {\n return weekOfYear(mom, this._week.dow, this._week.doy).week;\n }\n\n var defaultLocaleWeek = {\n dow : 0, // Sunday is the first day of the week.\n doy : 6 // The week that contains Jan 1st is the first week of the year.\n };\n\n function localeFirstDayOfWeek () {\n return this._week.dow;\n }\n\n function localeFirstDayOfYear () {\n return this._week.doy;\n }\n\n // MOMENTS\n\n function getSetWeek (input) {\n var week = this.localeData().week(this);\n return input == null ? week : this.add((input - week) * 7, 'd');\n }\n\n function getSetISOWeek (input) {\n var week = weekOfYear(this, 1, 4).week;\n return input == null ? week : this.add((input - week) * 7, 'd');\n }\n\n addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n // ALIASES\n\n addUnitAlias('dayOfYear', 'DDD');\n\n // PARSING\n\n addRegexToken('DDD', match1to3);\n addRegexToken('DDDD', match3);\n addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n config._dayOfYear = toInt(input);\n });\n\n // HELPERS\n\n //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {\n var week1Jan = 6 + firstDayOfWeek - firstDayOfWeekOfYear, janX = createUTCDate(year, 0, 1 + week1Jan), d = janX.getUTCDay(), dayOfYear;\n if (d < firstDayOfWeek) {\n d += 7;\n }\n\n weekday = weekday != null ? 1 * weekday : firstDayOfWeek;\n\n dayOfYear = 1 + week1Jan + 7 * (week - 1) - d + weekday;\n\n return {\n year: dayOfYear > 0 ? year : year - 1,\n dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear\n };\n }\n\n // MOMENTS\n\n function getSetDayOfYear (input) {\n var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n }\n\n // Pick the first defined of two or three arguments.\n function defaults(a, b, c) {\n if (a != null) {\n return a;\n }\n if (b != null) {\n return b;\n }\n return c;\n }\n\n function currentDateArray(config) {\n var now = new Date();\n if (config._useUTC) {\n return [now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate()];\n }\n return [now.getFullYear(), now.getMonth(), now.getDate()];\n }\n\n // convert an array to a date.\n // the array should mirror the parameters below\n // note: all values past the year are optional and will default to the lowest possible value.\n // [year, month, day , hour, minute, second, millisecond]\n function configFromArray (config) {\n var i, date, input = [], currentDate, yearToUse;\n\n if (config._d) {\n return;\n }\n\n currentDate = currentDateArray(config);\n\n //compute day of the year from weeks and weekdays\n if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n dayOfYearFromWeekInfo(config);\n }\n\n //if the day of the year is set, figure out what it is\n if (config._dayOfYear) {\n yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n if (config._dayOfYear > daysInYear(yearToUse)) {\n getParsingFlags(config)._overflowDayOfYear = true;\n }\n\n date = createUTCDate(yearToUse, 0, config._dayOfYear);\n config._a[MONTH] = date.getUTCMonth();\n config._a[DATE] = date.getUTCDate();\n }\n\n // Default to current date.\n // * if no year, month, day of month are given, default to today\n // * if day of month is given, default month and year\n // * if month is given, default only year\n // * if year is given, don't default anything\n for (i = 0; i < 3 && config._a[i] == null; ++i) {\n config._a[i] = input[i] = currentDate[i];\n }\n\n // Zero out whatever was not defaulted, including time\n for (; i < 7; i++) {\n config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n }\n\n // Check for 24:00:00.000\n if (config._a[HOUR] === 24 &&\n config._a[MINUTE] === 0 &&\n config._a[SECOND] === 0 &&\n config._a[MILLISECOND] === 0) {\n config._nextDay = true;\n config._a[HOUR] = 0;\n }\n\n config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n // Apply timezone offset from input. The actual utcOffset can be changed\n // with parseZone.\n if (config._tzm != null) {\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n }\n\n if (config._nextDay) {\n config._a[HOUR] = 24;\n }\n }\n\n function dayOfYearFromWeekInfo(config) {\n var w, weekYear, week, weekday, dow, doy, temp;\n\n w = config._w;\n if (w.GG != null || w.W != null || w.E != null) {\n dow = 1;\n doy = 4;\n\n // TODO: We need to take the current isoWeekYear, but that depends on\n // how we interpret now (local, utc, fixed offset). So create\n // a now version of current config (take local/utc/offset flags, and\n // create now).\n weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);\n week = defaults(w.W, 1);\n weekday = defaults(w.E, 1);\n } else {\n dow = config._locale._week.dow;\n doy = config._locale._week.doy;\n\n weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);\n week = defaults(w.w, 1);\n\n if (w.d != null) {\n // weekday -- low day numbers are considered next week\n weekday = w.d;\n if (weekday < dow) {\n ++week;\n }\n } else if (w.e != null) {\n // local weekday -- counting starts from begining of week\n weekday = w.e + dow;\n } else {\n // default to begining of week\n weekday = dow;\n }\n }\n temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);\n\n config._a[YEAR] = temp.year;\n config._dayOfYear = temp.dayOfYear;\n }\n\n utils_hooks__hooks.ISO_8601 = function () {};\n\n // date from string and format string\n function configFromStringAndFormat(config) {\n // TODO: Move this to another part of the creation flow to prevent circular deps\n if (config._f === utils_hooks__hooks.ISO_8601) {\n configFromISO(config);\n return;\n }\n\n config._a = [];\n getParsingFlags(config).empty = true;\n\n // This array is used to make a Date, either with `new Date` or `Date.UTC`\n var string = '' + config._i,\n i, parsedInput, tokens, token, skipped,\n stringLength = string.length,\n totalParsedInputLength = 0;\n\n tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n for (i = 0; i < tokens.length; i++) {\n token = tokens[i];\n parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n if (parsedInput) {\n skipped = string.substr(0, string.indexOf(parsedInput));\n if (skipped.length > 0) {\n getParsingFlags(config).unusedInput.push(skipped);\n }\n string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n totalParsedInputLength += parsedInput.length;\n }\n // don't parse if it's not a known token\n if (formatTokenFunctions[token]) {\n if (parsedInput) {\n getParsingFlags(config).empty = false;\n }\n else {\n getParsingFlags(config).unusedTokens.push(token);\n }\n addTimeToArrayFromToken(token, parsedInput, config);\n }\n else if (config._strict && !parsedInput) {\n getParsingFlags(config).unusedTokens.push(token);\n }\n }\n\n // add remaining unparsed input length to the string\n getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n if (string.length > 0) {\n getParsingFlags(config).unusedInput.push(string);\n }\n\n // clear _12h flag if hour is <= 12\n if (getParsingFlags(config).bigHour === true &&\n config._a[HOUR] <= 12 &&\n config._a[HOUR] > 0) {\n getParsingFlags(config).bigHour = undefined;\n }\n // handle meridiem\n config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n configFromArray(config);\n checkOverflow(config);\n }\n\n\n function meridiemFixWrap (locale, hour, meridiem) {\n var isPm;\n\n if (meridiem == null) {\n // nothing to do\n return hour;\n }\n if (locale.meridiemHour != null) {\n return locale.meridiemHour(hour, meridiem);\n } else if (locale.isPM != null) {\n // Fallback\n isPm = locale.isPM(meridiem);\n if (isPm && hour < 12) {\n hour += 12;\n }\n if (!isPm && hour === 12) {\n hour = 0;\n }\n return hour;\n } else {\n // this is not supposed to happen\n return hour;\n }\n }\n\n function configFromStringAndArray(config) {\n var tempConfig,\n bestMoment,\n\n scoreToBeat,\n i,\n currentScore;\n\n if (config._f.length === 0) {\n getParsingFlags(config).invalidFormat = true;\n config._d = new Date(NaN);\n return;\n }\n\n for (i = 0; i < config._f.length; i++) {\n currentScore = 0;\n tempConfig = copyConfig({}, config);\n if (config._useUTC != null) {\n tempConfig._useUTC = config._useUTC;\n }\n tempConfig._f = config._f[i];\n configFromStringAndFormat(tempConfig);\n\n if (!valid__isValid(tempConfig)) {\n continue;\n }\n\n // if there is any input that was not parsed add a penalty for that format\n currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n //or tokens\n currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n getParsingFlags(tempConfig).score = currentScore;\n\n if (scoreToBeat == null || currentScore < scoreToBeat) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n }\n }\n\n extend(config, bestMoment || tempConfig);\n }\n\n function configFromObject(config) {\n if (config._d) {\n return;\n }\n\n var i = normalizeObjectUnits(config._i);\n config._a = [i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond];\n\n configFromArray(config);\n }\n\n function createFromConfig (config) {\n var res = new Moment(checkOverflow(prepareConfig(config)));\n if (res._nextDay) {\n // Adding is smart enough around DST\n res.add(1, 'd');\n res._nextDay = undefined;\n }\n\n return res;\n }\n\n function prepareConfig (config) {\n var input = config._i,\n format = config._f;\n\n config._locale = config._locale || locale_locales__getLocale(config._l);\n\n if (input === null || (format === undefined && input === '')) {\n return valid__createInvalid({nullInput: true});\n }\n\n if (typeof input === 'string') {\n config._i = input = config._locale.preparse(input);\n }\n\n if (isMoment(input)) {\n return new Moment(checkOverflow(input));\n } else if (isArray(format)) {\n configFromStringAndArray(config);\n } else if (format) {\n configFromStringAndFormat(config);\n } else if (isDate(input)) {\n config._d = input;\n } else {\n configFromInput(config);\n }\n\n return config;\n }\n\n function configFromInput(config) {\n var input = config._i;\n if (input === undefined) {\n config._d = new Date();\n } else if (isDate(input)) {\n config._d = new Date(+input);\n } else if (typeof input === 'string') {\n configFromString(config);\n } else if (isArray(input)) {\n config._a = map(input.slice(0), function (obj) {\n return parseInt(obj, 10);\n });\n configFromArray(config);\n } else if (typeof(input) === 'object') {\n configFromObject(config);\n } else if (typeof(input) === 'number') {\n // from milliseconds\n config._d = new Date(input);\n } else {\n utils_hooks__hooks.createFromInputFallback(config);\n }\n }\n\n function createLocalOrUTC (input, format, locale, strict, isUTC) {\n var c = {};\n\n if (typeof(locale) === 'boolean') {\n strict = locale;\n locale = undefined;\n }\n // object construction must be done this way.\n // https://github.com/moment/moment/issues/1423\n c._isAMomentObject = true;\n c._useUTC = c._isUTC = isUTC;\n c._l = locale;\n c._i = input;\n c._f = format;\n c._strict = strict;\n\n return createFromConfig(c);\n }\n\n function local__createLocal (input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, false);\n }\n\n var prototypeMin = deprecate(\n 'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',\n function () {\n var other = local__createLocal.apply(null, arguments);\n return other < this ? this : other;\n }\n );\n\n var prototypeMax = deprecate(\n 'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',\n function () {\n var other = local__createLocal.apply(null, arguments);\n return other > this ? this : other;\n }\n );\n\n // Pick a moment m from moments so that m[fn](other) is true for all\n // other. This relies on the function fn to be transitive.\n //\n // moments should either be an array of moment objects or an array, whose\n // first element is an array of moment objects.\n function pickBy(fn, moments) {\n var res, i;\n if (moments.length === 1 && isArray(moments[0])) {\n moments = moments[0];\n }\n if (!moments.length) {\n return local__createLocal();\n }\n res = moments[0];\n for (i = 1; i < moments.length; ++i) {\n if (!moments[i].isValid() || moments[i][fn](res)) {\n res = moments[i];\n }\n }\n return res;\n }\n\n // TODO: Use [].sort instead?\n function min () {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isBefore', args);\n }\n\n function max () {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isAfter', args);\n }\n\n function Duration (duration) {\n var normalizedInput = normalizeObjectUnits(duration),\n years = normalizedInput.year || 0,\n quarters = normalizedInput.quarter || 0,\n months = normalizedInput.month || 0,\n weeks = normalizedInput.week || 0,\n days = normalizedInput.day || 0,\n hours = normalizedInput.hour || 0,\n minutes = normalizedInput.minute || 0,\n seconds = normalizedInput.second || 0,\n milliseconds = normalizedInput.millisecond || 0;\n\n // representation for dateAddRemove\n this._milliseconds = +milliseconds +\n seconds * 1e3 + // 1000\n minutes * 6e4 + // 1000 * 60\n hours * 36e5; // 1000 * 60 * 60\n // Because of dateAddRemove treats 24 hours as different from a\n // day when working around DST, we need to store them separately\n this._days = +days +\n weeks * 7;\n // It is impossible translate months into days without knowing\n // which months you are are talking about, so we have to store\n // it separately.\n this._months = +months +\n quarters * 3 +\n years * 12;\n\n this._data = {};\n\n this._locale = locale_locales__getLocale();\n\n this._bubble();\n }\n\n function isDuration (obj) {\n return obj instanceof Duration;\n }\n\n function offset (token, separator) {\n addFormatToken(token, 0, 0, function () {\n var offset = this.utcOffset();\n var sign = '+';\n if (offset < 0) {\n offset = -offset;\n sign = '-';\n }\n return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n });\n }\n\n offset('Z', ':');\n offset('ZZ', '');\n\n // PARSING\n\n addRegexToken('Z', matchOffset);\n addRegexToken('ZZ', matchOffset);\n addParseToken(['Z', 'ZZ'], function (input, array, config) {\n config._useUTC = true;\n config._tzm = offsetFromString(input);\n });\n\n // HELPERS\n\n // timezone chunker\n // '+10:00' > ['10', '00']\n // '-1530' > ['-15', '30']\n var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n function offsetFromString(string) {\n var matches = ((string || '').match(matchOffset) || []);\n var chunk = matches[matches.length - 1] || [];\n var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n return parts[0] === '+' ? minutes : -minutes;\n }\n\n // Return a moment from input, that is local/utc/zone equivalent to model.\n function cloneWithOffset(input, model) {\n var res, diff;\n if (model._isUTC) {\n res = model.clone();\n diff = (isMoment(input) || isDate(input) ? +input : +local__createLocal(input)) - (+res);\n // Use low-level api, because this fn is low-level api.\n res._d.setTime(+res._d + diff);\n utils_hooks__hooks.updateOffset(res, false);\n return res;\n } else {\n return local__createLocal(input).local();\n }\n }\n\n function getDateOffset (m) {\n // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n // https://github.com/moment/moment/pull/1871\n return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n }\n\n // HOOKS\n\n // This function will be called whenever a moment is mutated.\n // It is intended to keep the offset in sync with the timezone.\n utils_hooks__hooks.updateOffset = function () {};\n\n // MOMENTS\n\n // keepLocalTime = true means only change the timezone, without\n // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n // +0200, so we adjust the time as needed, to be valid.\n //\n // Keeping the time actually adds/subtracts (one hour)\n // from the actual represented time. That is why we call updateOffset\n // a second time. In case it wants us to change the offset again\n // _changeInProgress == true case, then we have to adjust, because\n // there is no such time in the given timezone.\n function getSetOffset (input, keepLocalTime) {\n var offset = this._offset || 0,\n localAdjust;\n if (input != null) {\n if (typeof input === 'string') {\n input = offsetFromString(input);\n }\n if (Math.abs(input) < 16) {\n input = input * 60;\n }\n if (!this._isUTC && keepLocalTime) {\n localAdjust = getDateOffset(this);\n }\n this._offset = input;\n this._isUTC = true;\n if (localAdjust != null) {\n this.add(localAdjust, 'm');\n }\n if (offset !== input) {\n if (!keepLocalTime || this._changeInProgress) {\n add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);\n } else if (!this._changeInProgress) {\n this._changeInProgress = true;\n utils_hooks__hooks.updateOffset(this, true);\n this._changeInProgress = null;\n }\n }\n return this;\n } else {\n return this._isUTC ? offset : getDateOffset(this);\n }\n }\n\n function getSetZone (input, keepLocalTime) {\n if (input != null) {\n if (typeof input !== 'string') {\n input = -input;\n }\n\n this.utcOffset(input, keepLocalTime);\n\n return this;\n } else {\n return -this.utcOffset();\n }\n }\n\n function setOffsetToUTC (keepLocalTime) {\n return this.utcOffset(0, keepLocalTime);\n }\n\n function setOffsetToLocal (keepLocalTime) {\n if (this._isUTC) {\n this.utcOffset(0, keepLocalTime);\n this._isUTC = false;\n\n if (keepLocalTime) {\n this.subtract(getDateOffset(this), 'm');\n }\n }\n return this;\n }\n\n function setOffsetToParsedOffset () {\n if (this._tzm) {\n this.utcOffset(this._tzm);\n } else if (typeof this._i === 'string') {\n this.utcOffset(offsetFromString(this._i));\n }\n return this;\n }\n\n function hasAlignedHourOffset (input) {\n input = input ? local__createLocal(input).utcOffset() : 0;\n\n return (this.utcOffset() - input) % 60 === 0;\n }\n\n function isDaylightSavingTime () {\n return (\n this.utcOffset() > this.clone().month(0).utcOffset() ||\n this.utcOffset() > this.clone().month(5).utcOffset()\n );\n }\n\n function isDaylightSavingTimeShifted () {\n if (typeof this._isDSTShifted !== 'undefined') {\n return this._isDSTShifted;\n }\n\n var c = {};\n\n copyConfig(c, this);\n c = prepareConfig(c);\n\n if (c._a) {\n var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);\n this._isDSTShifted = this.isValid() &&\n compareArrays(c._a, other.toArray()) > 0;\n } else {\n this._isDSTShifted = false;\n }\n\n return this._isDSTShifted;\n }\n\n function isLocal () {\n return !this._isUTC;\n }\n\n function isUtcOffset () {\n return this._isUTC;\n }\n\n function isUtc () {\n return this._isUTC && this._offset === 0;\n }\n\n var aspNetRegex = /(\\-)?(?:(\\d*)\\.)?(\\d+)\\:(\\d+)(?:\\:(\\d+)\\.?(\\d{3})?)?/;\n\n // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n var create__isoRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/;\n\n function create__createDuration (input, key) {\n var duration = input,\n // matching against regexp is expensive, do it on demand\n match = null,\n sign,\n ret,\n diffRes;\n\n if (isDuration(input)) {\n duration = {\n ms : input._milliseconds,\n d : input._days,\n M : input._months\n };\n } else if (typeof input === 'number') {\n duration = {};\n if (key) {\n duration[key] = input;\n } else {\n duration.milliseconds = input;\n }\n } else if (!!(match = aspNetRegex.exec(input))) {\n sign = (match[1] === '-') ? -1 : 1;\n duration = {\n y : 0,\n d : toInt(match[DATE]) * sign,\n h : toInt(match[HOUR]) * sign,\n m : toInt(match[MINUTE]) * sign,\n s : toInt(match[SECOND]) * sign,\n ms : toInt(match[MILLISECOND]) * sign\n };\n } else if (!!(match = create__isoRegex.exec(input))) {\n sign = (match[1] === '-') ? -1 : 1;\n duration = {\n y : parseIso(match[2], sign),\n M : parseIso(match[3], sign),\n d : parseIso(match[4], sign),\n h : parseIso(match[5], sign),\n m : parseIso(match[6], sign),\n s : parseIso(match[7], sign),\n w : parseIso(match[8], sign)\n };\n } else if (duration == null) {// checks for null or undefined\n duration = {};\n } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));\n\n duration = {};\n duration.ms = diffRes.milliseconds;\n duration.M = diffRes.months;\n }\n\n ret = new Duration(duration);\n\n if (isDuration(input) && hasOwnProp(input, '_locale')) {\n ret._locale = input._locale;\n }\n\n return ret;\n }\n\n create__createDuration.fn = Duration.prototype;\n\n function parseIso (inp, sign) {\n // We'd normally use ~~inp for this, but unfortunately it also\n // converts floats to ints.\n // inp may be undefined, so careful calling replace on it.\n var res = inp && parseFloat(inp.replace(',', '.'));\n // apply sign while we're at it\n return (isNaN(res) ? 0 : res) * sign;\n }\n\n function positiveMomentsDifference(base, other) {\n var res = {milliseconds: 0, months: 0};\n\n res.months = other.month() - base.month() +\n (other.year() - base.year()) * 12;\n if (base.clone().add(res.months, 'M').isAfter(other)) {\n --res.months;\n }\n\n res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n return res;\n }\n\n function momentsDifference(base, other) {\n var res;\n other = cloneWithOffset(other, base);\n if (base.isBefore(other)) {\n res = positiveMomentsDifference(base, other);\n } else {\n res = positiveMomentsDifference(other, base);\n res.milliseconds = -res.milliseconds;\n res.months = -res.months;\n }\n\n return res;\n }\n\n function createAdder(direction, name) {\n return function (val, period) {\n var dur, tmp;\n //invert the arguments, but complain about it\n if (period !== null && !isNaN(+period)) {\n deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');\n tmp = val; val = period; period = tmp;\n }\n\n val = typeof val === 'string' ? +val : val;\n dur = create__createDuration(val, period);\n add_subtract__addSubtract(this, dur, direction);\n return this;\n };\n }\n\n function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) {\n var milliseconds = duration._milliseconds,\n days = duration._days,\n months = duration._months;\n updateOffset = updateOffset == null ? true : updateOffset;\n\n if (milliseconds) {\n mom._d.setTime(+mom._d + milliseconds * isAdding);\n }\n if (days) {\n get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);\n }\n if (months) {\n setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);\n }\n if (updateOffset) {\n utils_hooks__hooks.updateOffset(mom, days || months);\n }\n }\n\n var add_subtract__add = createAdder(1, 'add');\n var add_subtract__subtract = createAdder(-1, 'subtract');\n\n function moment_calendar__calendar (time, formats) {\n // We want to compare the start of today, vs this.\n // Getting start-of-today depends on whether we're local/utc/offset or not.\n var now = time || local__createLocal(),\n sod = cloneWithOffset(now, this).startOf('day'),\n diff = this.diff(sod, 'days', true),\n format = diff < -6 ? 'sameElse' :\n diff < -1 ? 'lastWeek' :\n diff < 0 ? 'lastDay' :\n diff < 1 ? 'sameDay' :\n diff < 2 ? 'nextDay' :\n diff < 7 ? 'nextWeek' : 'sameElse';\n return this.format(formats && formats[format] || this.localeData().calendar(format, this, local__createLocal(now)));\n }\n\n function clone () {\n return new Moment(this);\n }\n\n function isAfter (input, units) {\n var inputMs;\n units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');\n if (units === 'millisecond') {\n input = isMoment(input) ? input : local__createLocal(input);\n return +this > +input;\n } else {\n inputMs = isMoment(input) ? +input : +local__createLocal(input);\n return inputMs < +this.clone().startOf(units);\n }\n }\n\n function isBefore (input, units) {\n var inputMs;\n units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');\n if (units === 'millisecond') {\n input = isMoment(input) ? input : local__createLocal(input);\n return +this < +input;\n } else {\n inputMs = isMoment(input) ? +input : +local__createLocal(input);\n return +this.clone().endOf(units) < inputMs;\n }\n }\n\n function isBetween (from, to, units) {\n return this.isAfter(from, units) && this.isBefore(to, units);\n }\n\n function isSame (input, units) {\n var inputMs;\n units = normalizeUnits(units || 'millisecond');\n if (units === 'millisecond') {\n input = isMoment(input) ? input : local__createLocal(input);\n return +this === +input;\n } else {\n inputMs = +local__createLocal(input);\n return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units));\n }\n }\n\n function diff (input, units, asFloat) {\n var that = cloneWithOffset(input, this),\n zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4,\n delta, output;\n\n units = normalizeUnits(units);\n\n if (units === 'year' || units === 'month' || units === 'quarter') {\n output = monthDiff(this, that);\n if (units === 'quarter') {\n output = output / 3;\n } else if (units === 'year') {\n output = output / 12;\n }\n } else {\n delta = this - that;\n output = units === 'second' ? delta / 1e3 : // 1000\n units === 'minute' ? delta / 6e4 : // 1000 * 60\n units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n delta;\n }\n return asFloat ? output : absFloor(output);\n }\n\n function monthDiff (a, b) {\n // difference in months\n var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n // b is in (anchor - 1 month, anchor + 1 month)\n anchor = a.clone().add(wholeMonthDiff, 'months'),\n anchor2, adjust;\n\n if (b - anchor < 0) {\n anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor - anchor2);\n } else {\n anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor2 - anchor);\n }\n\n return -(wholeMonthDiff + adjust);\n }\n\n utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n\n function toString () {\n return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n }\n\n function moment_format__toISOString () {\n var m = this.clone().utc();\n if (0 < m.year() && m.year() <= 9999) {\n if ('function' === typeof Date.prototype.toISOString) {\n // native implementation is ~50x faster, use it when we can\n return this.toDate().toISOString();\n } else {\n return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n }\n } else {\n return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n }\n }\n\n function format (inputString) {\n var output = formatMoment(this, inputString || utils_hooks__hooks.defaultFormat);\n return this.localeData().postformat(output);\n }\n\n function from (time, withoutSuffix) {\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n }\n\n function fromNow (withoutSuffix) {\n return this.from(local__createLocal(), withoutSuffix);\n }\n\n function to (time, withoutSuffix) {\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n return create__createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n }\n\n function toNow (withoutSuffix) {\n return this.to(local__createLocal(), withoutSuffix);\n }\n\n function locale (key) {\n var newLocaleData;\n\n if (key === undefined) {\n return this._locale._abbr;\n } else {\n newLocaleData = locale_locales__getLocale(key);\n if (newLocaleData != null) {\n this._locale = newLocaleData;\n }\n return this;\n }\n }\n\n var lang = deprecate(\n 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n function (key) {\n if (key === undefined) {\n return this.localeData();\n } else {\n return this.locale(key);\n }\n }\n );\n\n function localeData () {\n return this._locale;\n }\n\n function startOf (units) {\n units = normalizeUnits(units);\n // the following switch intentionally omits break keywords\n // to utilize falling through the cases.\n switch (units) {\n case 'year':\n this.month(0);\n /* falls through */\n case 'quarter':\n case 'month':\n this.date(1);\n /* falls through */\n case 'week':\n case 'isoWeek':\n case 'day':\n this.hours(0);\n /* falls through */\n case 'hour':\n this.minutes(0);\n /* falls through */\n case 'minute':\n this.seconds(0);\n /* falls through */\n case 'second':\n this.milliseconds(0);\n }\n\n // weeks are a special case\n if (units === 'week') {\n this.weekday(0);\n }\n if (units === 'isoWeek') {\n this.isoWeekday(1);\n }\n\n // quarters are also special\n if (units === 'quarter') {\n this.month(Math.floor(this.month() / 3) * 3);\n }\n\n return this;\n }\n\n function endOf (units) {\n units = normalizeUnits(units);\n if (units === undefined || units === 'millisecond') {\n return this;\n }\n return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n }\n\n function to_type__valueOf () {\n return +this._d - ((this._offset || 0) * 60000);\n }\n\n function unix () {\n return Math.floor(+this / 1000);\n }\n\n function toDate () {\n return this._offset ? new Date(+this) : this._d;\n }\n\n function toArray () {\n var m = this;\n return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n }\n\n function toObject () {\n var m = this;\n return {\n years: m.year(),\n months: m.month(),\n date: m.date(),\n hours: m.hours(),\n minutes: m.minutes(),\n seconds: m.seconds(),\n milliseconds: m.milliseconds()\n };\n }\n\n function moment_valid__isValid () {\n return valid__isValid(this);\n }\n\n function parsingFlags () {\n return extend({}, getParsingFlags(this));\n }\n\n function invalidAt () {\n return getParsingFlags(this).overflow;\n }\n\n addFormatToken(0, ['gg', 2], 0, function () {\n return this.weekYear() % 100;\n });\n\n addFormatToken(0, ['GG', 2], 0, function () {\n return this.isoWeekYear() % 100;\n });\n\n function addWeekYearFormatToken (token, getter) {\n addFormatToken(0, [token, token.length], 0, getter);\n }\n\n addWeekYearFormatToken('gggg', 'weekYear');\n addWeekYearFormatToken('ggggg', 'weekYear');\n addWeekYearFormatToken('GGGG', 'isoWeekYear');\n addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n // ALIASES\n\n addUnitAlias('weekYear', 'gg');\n addUnitAlias('isoWeekYear', 'GG');\n\n // PARSING\n\n addRegexToken('G', matchSigned);\n addRegexToken('g', matchSigned);\n addRegexToken('GG', match1to2, match2);\n addRegexToken('gg', match1to2, match2);\n addRegexToken('GGGG', match1to4, match4);\n addRegexToken('gggg', match1to4, match4);\n addRegexToken('GGGGG', match1to6, match6);\n addRegexToken('ggggg', match1to6, match6);\n\n addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n week[token.substr(0, 2)] = toInt(input);\n });\n\n addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n week[token] = utils_hooks__hooks.parseTwoDigitYear(input);\n });\n\n // HELPERS\n\n function weeksInYear(year, dow, doy) {\n return weekOfYear(local__createLocal([year, 11, 31 + dow - doy]), dow, doy).week;\n }\n\n // MOMENTS\n\n function getSetWeekYear (input) {\n var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;\n return input == null ? year : this.add((input - year), 'y');\n }\n\n function getSetISOWeekYear (input) {\n var year = weekOfYear(this, 1, 4).year;\n return input == null ? year : this.add((input - year), 'y');\n }\n\n function getISOWeeksInYear () {\n return weeksInYear(this.year(), 1, 4);\n }\n\n function getWeeksInYear () {\n var weekInfo = this.localeData()._week;\n return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n }\n\n addFormatToken('Q', 0, 0, 'quarter');\n\n // ALIASES\n\n addUnitAlias('quarter', 'Q');\n\n // PARSING\n\n addRegexToken('Q', match1);\n addParseToken('Q', function (input, array) {\n array[MONTH] = (toInt(input) - 1) * 3;\n });\n\n // MOMENTS\n\n function getSetQuarter (input) {\n return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n }\n\n addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n // ALIASES\n\n addUnitAlias('date', 'D');\n\n // PARSING\n\n addRegexToken('D', match1to2);\n addRegexToken('DD', match1to2, match2);\n addRegexToken('Do', function (isStrict, locale) {\n return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;\n });\n\n addParseToken(['D', 'DD'], DATE);\n addParseToken('Do', function (input, array) {\n array[DATE] = toInt(input.match(match1to2)[0], 10);\n });\n\n // MOMENTS\n\n var getSetDayOfMonth = makeGetSet('Date', true);\n\n addFormatToken('d', 0, 'do', 'day');\n\n addFormatToken('dd', 0, 0, function (format) {\n return this.localeData().weekdaysMin(this, format);\n });\n\n addFormatToken('ddd', 0, 0, function (format) {\n return this.localeData().weekdaysShort(this, format);\n });\n\n addFormatToken('dddd', 0, 0, function (format) {\n return this.localeData().weekdays(this, format);\n });\n\n addFormatToken('e', 0, 0, 'weekday');\n addFormatToken('E', 0, 0, 'isoWeekday');\n\n // ALIASES\n\n addUnitAlias('day', 'd');\n addUnitAlias('weekday', 'e');\n addUnitAlias('isoWeekday', 'E');\n\n // PARSING\n\n addRegexToken('d', match1to2);\n addRegexToken('e', match1to2);\n addRegexToken('E', match1to2);\n addRegexToken('dd', matchWord);\n addRegexToken('ddd', matchWord);\n addRegexToken('dddd', matchWord);\n\n addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config) {\n var weekday = config._locale.weekdaysParse(input);\n // if we didn't get a weekday name, mark the date as invalid\n if (weekday != null) {\n week.d = weekday;\n } else {\n getParsingFlags(config).invalidWeekday = input;\n }\n });\n\n addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n week[token] = toInt(input);\n });\n\n // HELPERS\n\n function parseWeekday(input, locale) {\n if (typeof input !== 'string') {\n return input;\n }\n\n if (!isNaN(input)) {\n return parseInt(input, 10);\n }\n\n input = locale.weekdaysParse(input);\n if (typeof input === 'number') {\n return input;\n }\n\n return null;\n }\n\n // LOCALES\n\n var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\n function localeWeekdays (m) {\n return this._weekdays[m.day()];\n }\n\n var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\n function localeWeekdaysShort (m) {\n return this._weekdaysShort[m.day()];\n }\n\n var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\n function localeWeekdaysMin (m) {\n return this._weekdaysMin[m.day()];\n }\n\n function localeWeekdaysParse (weekdayName) {\n var i, mom, regex;\n\n this._weekdaysParse = this._weekdaysParse || [];\n\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n if (!this._weekdaysParse[i]) {\n mom = local__createLocal([2000, 1]).day(i);\n regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (this._weekdaysParse[i].test(weekdayName)) {\n return i;\n }\n }\n }\n\n // MOMENTS\n\n function getSetDayOfWeek (input) {\n var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n if (input != null) {\n input = parseWeekday(input, this.localeData());\n return this.add(input - day, 'd');\n } else {\n return day;\n }\n }\n\n function getSetLocaleDayOfWeek (input) {\n var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n return input == null ? weekday : this.add(input - weekday, 'd');\n }\n\n function getSetISODayOfWeek (input) {\n // behaves the same as moment#day except\n // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n // as a setter, sunday should belong to the previous week.\n return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);\n }\n\n addFormatToken('H', ['HH', 2], 0, 'hour');\n addFormatToken('h', ['hh', 2], 0, function () {\n return this.hours() % 12 || 12;\n });\n\n function meridiem (token, lowercase) {\n addFormatToken(token, 0, 0, function () {\n return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n });\n }\n\n meridiem('a', true);\n meridiem('A', false);\n\n // ALIASES\n\n addUnitAlias('hour', 'h');\n\n // PARSING\n\n function matchMeridiem (isStrict, locale) {\n return locale._meridiemParse;\n }\n\n addRegexToken('a', matchMeridiem);\n addRegexToken('A', matchMeridiem);\n addRegexToken('H', match1to2);\n addRegexToken('h', match1to2);\n addRegexToken('HH', match1to2, match2);\n addRegexToken('hh', match1to2, match2);\n\n addParseToken(['H', 'HH'], HOUR);\n addParseToken(['a', 'A'], function (input, array, config) {\n config._isPm = config._locale.isPM(input);\n config._meridiem = input;\n });\n addParseToken(['h', 'hh'], function (input, array, config) {\n array[HOUR] = toInt(input);\n getParsingFlags(config).bigHour = true;\n });\n\n // LOCALES\n\n function localeIsPM (input) {\n // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n // Using charAt should be more compatible.\n return ((input + '').toLowerCase().charAt(0) === 'p');\n }\n\n var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\n function localeMeridiem (hours, minutes, isLower) {\n if (hours > 11) {\n return isLower ? 'pm' : 'PM';\n } else {\n return isLower ? 'am' : 'AM';\n }\n }\n\n\n // MOMENTS\n\n // Setting the hour should keep the time, because the user explicitly\n // specified which hour he wants. So trying to maintain the same hour (in\n // a new timezone) makes sense. Adding/subtracting hours does not follow\n // this rule.\n var getSetHour = makeGetSet('Hours', true);\n\n addFormatToken('m', ['mm', 2], 0, 'minute');\n\n // ALIASES\n\n addUnitAlias('minute', 'm');\n\n // PARSING\n\n addRegexToken('m', match1to2);\n addRegexToken('mm', match1to2, match2);\n addParseToken(['m', 'mm'], MINUTE);\n\n // MOMENTS\n\n var getSetMinute = makeGetSet('Minutes', false);\n\n addFormatToken('s', ['ss', 2], 0, 'second');\n\n // ALIASES\n\n addUnitAlias('second', 's');\n\n // PARSING\n\n addRegexToken('s', match1to2);\n addRegexToken('ss', match1to2, match2);\n addParseToken(['s', 'ss'], SECOND);\n\n // MOMENTS\n\n var getSetSecond = makeGetSet('Seconds', false);\n\n addFormatToken('S', 0, 0, function () {\n return ~~(this.millisecond() / 100);\n });\n\n addFormatToken(0, ['SS', 2], 0, function () {\n return ~~(this.millisecond() / 10);\n });\n\n addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n addFormatToken(0, ['SSSS', 4], 0, function () {\n return this.millisecond() * 10;\n });\n addFormatToken(0, ['SSSSS', 5], 0, function () {\n return this.millisecond() * 100;\n });\n addFormatToken(0, ['SSSSSS', 6], 0, function () {\n return this.millisecond() * 1000;\n });\n addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n return this.millisecond() * 10000;\n });\n addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n return this.millisecond() * 100000;\n });\n addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n return this.millisecond() * 1000000;\n });\n\n\n // ALIASES\n\n addUnitAlias('millisecond', 'ms');\n\n // PARSING\n\n addRegexToken('S', match1to3, match1);\n addRegexToken('SS', match1to3, match2);\n addRegexToken('SSS', match1to3, match3);\n\n var token;\n for (token = 'SSSS'; token.length <= 9; token += 'S') {\n addRegexToken(token, matchUnsigned);\n }\n\n function parseMs(input, array) {\n array[MILLISECOND] = toInt(('0.' + input) * 1000);\n }\n\n for (token = 'S'; token.length <= 9; token += 'S') {\n addParseToken(token, parseMs);\n }\n // MOMENTS\n\n var getSetMillisecond = makeGetSet('Milliseconds', false);\n\n addFormatToken('z', 0, 0, 'zoneAbbr');\n addFormatToken('zz', 0, 0, 'zoneName');\n\n // MOMENTS\n\n function getZoneAbbr () {\n return this._isUTC ? 'UTC' : '';\n }\n\n function getZoneName () {\n return this._isUTC ? 'Coordinated Universal Time' : '';\n }\n\n var momentPrototype__proto = Moment.prototype;\n\n momentPrototype__proto.add = add_subtract__add;\n momentPrototype__proto.calendar = moment_calendar__calendar;\n momentPrototype__proto.clone = clone;\n momentPrototype__proto.diff = diff;\n momentPrototype__proto.endOf = endOf;\n momentPrototype__proto.format = format;\n momentPrototype__proto.from = from;\n momentPrototype__proto.fromNow = fromNow;\n momentPrototype__proto.to = to;\n momentPrototype__proto.toNow = toNow;\n momentPrototype__proto.get = getSet;\n momentPrototype__proto.invalidAt = invalidAt;\n momentPrototype__proto.isAfter = isAfter;\n momentPrototype__proto.isBefore = isBefore;\n momentPrototype__proto.isBetween = isBetween;\n momentPrototype__proto.isSame = isSame;\n momentPrototype__proto.isValid = moment_valid__isValid;\n momentPrototype__proto.lang = lang;\n momentPrototype__proto.locale = locale;\n momentPrototype__proto.localeData = localeData;\n momentPrototype__proto.max = prototypeMax;\n momentPrototype__proto.min = prototypeMin;\n momentPrototype__proto.parsingFlags = parsingFlags;\n momentPrototype__proto.set = getSet;\n momentPrototype__proto.startOf = startOf;\n momentPrototype__proto.subtract = add_subtract__subtract;\n momentPrototype__proto.toArray = toArray;\n momentPrototype__proto.toObject = toObject;\n momentPrototype__proto.toDate = toDate;\n momentPrototype__proto.toISOString = moment_format__toISOString;\n momentPrototype__proto.toJSON = moment_format__toISOString;\n momentPrototype__proto.toString = toString;\n momentPrototype__proto.unix = unix;\n momentPrototype__proto.valueOf = to_type__valueOf;\n\n // Year\n momentPrototype__proto.year = getSetYear;\n momentPrototype__proto.isLeapYear = getIsLeapYear;\n\n // Week Year\n momentPrototype__proto.weekYear = getSetWeekYear;\n momentPrototype__proto.isoWeekYear = getSetISOWeekYear;\n\n // Quarter\n momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;\n\n // Month\n momentPrototype__proto.month = getSetMonth;\n momentPrototype__proto.daysInMonth = getDaysInMonth;\n\n // Week\n momentPrototype__proto.week = momentPrototype__proto.weeks = getSetWeek;\n momentPrototype__proto.isoWeek = momentPrototype__proto.isoWeeks = getSetISOWeek;\n momentPrototype__proto.weeksInYear = getWeeksInYear;\n momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;\n\n // Day\n momentPrototype__proto.date = getSetDayOfMonth;\n momentPrototype__proto.day = momentPrototype__proto.days = getSetDayOfWeek;\n momentPrototype__proto.weekday = getSetLocaleDayOfWeek;\n momentPrototype__proto.isoWeekday = getSetISODayOfWeek;\n momentPrototype__proto.dayOfYear = getSetDayOfYear;\n\n // Hour\n momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;\n\n // Minute\n momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;\n\n // Second\n momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;\n\n // Millisecond\n momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;\n\n // Offset\n momentPrototype__proto.utcOffset = getSetOffset;\n momentPrototype__proto.utc = setOffsetToUTC;\n momentPrototype__proto.local = setOffsetToLocal;\n momentPrototype__proto.parseZone = setOffsetToParsedOffset;\n momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;\n momentPrototype__proto.isDST = isDaylightSavingTime;\n momentPrototype__proto.isDSTShifted = isDaylightSavingTimeShifted;\n momentPrototype__proto.isLocal = isLocal;\n momentPrototype__proto.isUtcOffset = isUtcOffset;\n momentPrototype__proto.isUtc = isUtc;\n momentPrototype__proto.isUTC = isUtc;\n\n // Timezone\n momentPrototype__proto.zoneAbbr = getZoneAbbr;\n momentPrototype__proto.zoneName = getZoneName;\n\n // Deprecations\n momentPrototype__proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n momentPrototype__proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n momentPrototype__proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. https://github.com/moment/moment/issues/1779', getSetZone);\n\n var momentPrototype = momentPrototype__proto;\n\n function moment__createUnix (input) {\n return local__createLocal(input * 1000);\n }\n\n function moment__createInZone () {\n return local__createLocal.apply(null, arguments).parseZone();\n }\n\n var defaultCalendar = {\n sameDay : '[Today at] LT',\n nextDay : '[Tomorrow at] LT',\n nextWeek : 'dddd [at] LT',\n lastDay : '[Yesterday at] LT',\n lastWeek : '[Last] dddd [at] LT',\n sameElse : 'L'\n };\n\n function locale_calendar__calendar (key, mom, now) {\n var output = this._calendar[key];\n return typeof output === 'function' ? output.call(mom, now) : output;\n }\n\n var defaultLongDateFormat = {\n LTS : 'h:mm:ss A',\n LT : 'h:mm A',\n L : 'MM/DD/YYYY',\n LL : 'MMMM D, YYYY',\n LLL : 'MMMM D, YYYY h:mm A',\n LLLL : 'dddd, MMMM D, YYYY h:mm A'\n };\n\n function longDateFormat (key) {\n var format = this._longDateFormat[key],\n formatUpper = this._longDateFormat[key.toUpperCase()];\n\n if (format || !formatUpper) {\n return format;\n }\n\n this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n return val.slice(1);\n });\n\n return this._longDateFormat[key];\n }\n\n var defaultInvalidDate = 'Invalid date';\n\n function invalidDate () {\n return this._invalidDate;\n }\n\n var defaultOrdinal = '%d';\n var defaultOrdinalParse = /\\d{1,2}/;\n\n function ordinal (number) {\n return this._ordinal.replace('%d', number);\n }\n\n function preParsePostFormat (string) {\n return string;\n }\n\n var defaultRelativeTime = {\n future : 'in %s',\n past : '%s ago',\n s : 'a few seconds',\n m : 'a minute',\n mm : '%d minutes',\n h : 'an hour',\n hh : '%d hours',\n d : 'a day',\n dd : '%d days',\n M : 'a month',\n MM : '%d months',\n y : 'a year',\n yy : '%d years'\n };\n\n function relative__relativeTime (number, withoutSuffix, string, isFuture) {\n var output = this._relativeTime[string];\n return (typeof output === 'function') ?\n output(number, withoutSuffix, string, isFuture) :\n output.replace(/%d/i, number);\n }\n\n function pastFuture (diff, output) {\n var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);\n }\n\n function locale_set__set (config) {\n var prop, i;\n for (i in config) {\n prop = config[i];\n if (typeof prop === 'function') {\n this[i] = prop;\n } else {\n this['_' + i] = prop;\n }\n }\n // Lenient ordinal parsing accepts just a number in addition to\n // number + (possibly) stuff coming from _ordinalParseLenient.\n this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + (/\\d{1,2}/).source);\n }\n\n var prototype__proto = Locale.prototype;\n\n prototype__proto._calendar = defaultCalendar;\n prototype__proto.calendar = locale_calendar__calendar;\n prototype__proto._longDateFormat = defaultLongDateFormat;\n prototype__proto.longDateFormat = longDateFormat;\n prototype__proto._invalidDate = defaultInvalidDate;\n prototype__proto.invalidDate = invalidDate;\n prototype__proto._ordinal = defaultOrdinal;\n prototype__proto.ordinal = ordinal;\n prototype__proto._ordinalParse = defaultOrdinalParse;\n prototype__proto.preparse = preParsePostFormat;\n prototype__proto.postformat = preParsePostFormat;\n prototype__proto._relativeTime = defaultRelativeTime;\n prototype__proto.relativeTime = relative__relativeTime;\n prototype__proto.pastFuture = pastFuture;\n prototype__proto.set = locale_set__set;\n\n // Month\n prototype__proto.months = localeMonths;\n prototype__proto._months = defaultLocaleMonths;\n prototype__proto.monthsShort = localeMonthsShort;\n prototype__proto._monthsShort = defaultLocaleMonthsShort;\n prototype__proto.monthsParse = localeMonthsParse;\n\n // Week\n prototype__proto.week = localeWeek;\n prototype__proto._week = defaultLocaleWeek;\n prototype__proto.firstDayOfYear = localeFirstDayOfYear;\n prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;\n\n // Day of Week\n prototype__proto.weekdays = localeWeekdays;\n prototype__proto._weekdays = defaultLocaleWeekdays;\n prototype__proto.weekdaysMin = localeWeekdaysMin;\n prototype__proto._weekdaysMin = defaultLocaleWeekdaysMin;\n prototype__proto.weekdaysShort = localeWeekdaysShort;\n prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort;\n prototype__proto.weekdaysParse = localeWeekdaysParse;\n\n // Hours\n prototype__proto.isPM = localeIsPM;\n prototype__proto._meridiemParse = defaultLocaleMeridiemParse;\n prototype__proto.meridiem = localeMeridiem;\n\n function lists__get (format, index, field, setter) {\n var locale = locale_locales__getLocale();\n var utc = create_utc__createUTC().set(setter, index);\n return locale[field](utc, format);\n }\n\n function list (format, index, field, count, setter) {\n if (typeof format === 'number') {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n\n if (index != null) {\n return lists__get(format, index, field, setter);\n }\n\n var i;\n var out = [];\n for (i = 0; i < count; i++) {\n out[i] = lists__get(format, i, field, setter);\n }\n return out;\n }\n\n function lists__listMonths (format, index) {\n return list(format, index, 'months', 12, 'month');\n }\n\n function lists__listMonthsShort (format, index) {\n return list(format, index, 'monthsShort', 12, 'month');\n }\n\n function lists__listWeekdays (format, index) {\n return list(format, index, 'weekdays', 7, 'day');\n }\n\n function lists__listWeekdaysShort (format, index) {\n return list(format, index, 'weekdaysShort', 7, 'day');\n }\n\n function lists__listWeekdaysMin (format, index) {\n return list(format, index, 'weekdaysMin', 7, 'day');\n }\n\n locale_locales__getSetGlobalLocale('en', {\n ordinalParse: /\\d{1,2}(th|st|nd|rd)/,\n ordinal : function (number) {\n var b = number % 10,\n output = (toInt(number % 100 / 10) === 1) ? 'th' :\n (b === 1) ? 'st' :\n (b === 2) ? 'nd' :\n (b === 3) ? 'rd' : 'th';\n return number + output;\n }\n });\n\n // Side effect imports\n utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);\n utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);\n\n var mathAbs = Math.abs;\n\n function duration_abs__abs () {\n var data = this._data;\n\n this._milliseconds = mathAbs(this._milliseconds);\n this._days = mathAbs(this._days);\n this._months = mathAbs(this._months);\n\n data.milliseconds = mathAbs(data.milliseconds);\n data.seconds = mathAbs(data.seconds);\n data.minutes = mathAbs(data.minutes);\n data.hours = mathAbs(data.hours);\n data.months = mathAbs(data.months);\n data.years = mathAbs(data.years);\n\n return this;\n }\n\n function duration_add_subtract__addSubtract (duration, input, value, direction) {\n var other = create__createDuration(input, value);\n\n duration._milliseconds += direction * other._milliseconds;\n duration._days += direction * other._days;\n duration._months += direction * other._months;\n\n return duration._bubble();\n }\n\n // supports only 2.0-style add(1, 's') or add(duration)\n function duration_add_subtract__add (input, value) {\n return duration_add_subtract__addSubtract(this, input, value, 1);\n }\n\n // supports only 2.0-style subtract(1, 's') or subtract(duration)\n function duration_add_subtract__subtract (input, value) {\n return duration_add_subtract__addSubtract(this, input, value, -1);\n }\n\n function absCeil (number) {\n if (number < 0) {\n return Math.floor(number);\n } else {\n return Math.ceil(number);\n }\n }\n\n function bubble () {\n var milliseconds = this._milliseconds;\n var days = this._days;\n var months = this._months;\n var data = this._data;\n var seconds, minutes, hours, years, monthsFromDays;\n\n // if we have a mix of positive and negative values, bubble down first\n // check: https://github.com/moment/moment/issues/2166\n if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n (milliseconds <= 0 && days <= 0 && months <= 0))) {\n milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n days = 0;\n months = 0;\n }\n\n // The following code bubbles up values, see the tests for\n // examples of what that means.\n data.milliseconds = milliseconds % 1000;\n\n seconds = absFloor(milliseconds / 1000);\n data.seconds = seconds % 60;\n\n minutes = absFloor(seconds / 60);\n data.minutes = minutes % 60;\n\n hours = absFloor(minutes / 60);\n data.hours = hours % 24;\n\n days += absFloor(hours / 24);\n\n // convert days to months\n monthsFromDays = absFloor(daysToMonths(days));\n months += monthsFromDays;\n days -= absCeil(monthsToDays(monthsFromDays));\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n data.days = days;\n data.months = months;\n data.years = years;\n\n return this;\n }\n\n function daysToMonths (days) {\n // 400 years have 146097 days (taking into account leap year rules)\n // 400 years have 12 months === 4800\n return days * 4800 / 146097;\n }\n\n function monthsToDays (months) {\n // the reverse of daysToMonths\n return months * 146097 / 4800;\n }\n\n function as (units) {\n var days;\n var months;\n var milliseconds = this._milliseconds;\n\n units = normalizeUnits(units);\n\n if (units === 'month' || units === 'year') {\n days = this._days + milliseconds / 864e5;\n months = this._months + daysToMonths(days);\n return units === 'month' ? months : months / 12;\n } else {\n // handle milliseconds separately because of floating point math errors (issue #1867)\n days = this._days + Math.round(monthsToDays(this._months));\n switch (units) {\n case 'week' : return days / 7 + milliseconds / 6048e5;\n case 'day' : return days + milliseconds / 864e5;\n case 'hour' : return days * 24 + milliseconds / 36e5;\n case 'minute' : return days * 1440 + milliseconds / 6e4;\n case 'second' : return days * 86400 + milliseconds / 1000;\n // Math.floor prevents floating point math errors here\n case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n default: throw new Error('Unknown unit ' + units);\n }\n }\n }\n\n // TODO: Use this.as('ms')?\n function duration_as__valueOf () {\n return (\n this._milliseconds +\n this._days * 864e5 +\n (this._months % 12) * 2592e6 +\n toInt(this._months / 12) * 31536e6\n );\n }\n\n function makeAs (alias) {\n return function () {\n return this.as(alias);\n };\n }\n\n var asMilliseconds = makeAs('ms');\n var asSeconds = makeAs('s');\n var asMinutes = makeAs('m');\n var asHours = makeAs('h');\n var asDays = makeAs('d');\n var asWeeks = makeAs('w');\n var asMonths = makeAs('M');\n var asYears = makeAs('y');\n\n function duration_get__get (units) {\n units = normalizeUnits(units);\n return this[units + 's']();\n }\n\n function makeGetter(name) {\n return function () {\n return this._data[name];\n };\n }\n\n var milliseconds = makeGetter('milliseconds');\n var seconds = makeGetter('seconds');\n var minutes = makeGetter('minutes');\n var hours = makeGetter('hours');\n var days = makeGetter('days');\n var months = makeGetter('months');\n var years = makeGetter('years');\n\n function weeks () {\n return absFloor(this.days() / 7);\n }\n\n var round = Math.round;\n var thresholds = {\n s: 45, // seconds to minute\n m: 45, // minutes to hour\n h: 22, // hours to day\n d: 26, // days to month\n M: 11 // months to year\n };\n\n // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n }\n\n function duration_humanize__relativeTime (posNegDuration, withoutSuffix, locale) {\n var duration = create__createDuration(posNegDuration).abs();\n var seconds = round(duration.as('s'));\n var minutes = round(duration.as('m'));\n var hours = round(duration.as('h'));\n var days = round(duration.as('d'));\n var months = round(duration.as('M'));\n var years = round(duration.as('y'));\n\n var a = seconds < thresholds.s && ['s', seconds] ||\n minutes === 1 && ['m'] ||\n minutes < thresholds.m && ['mm', minutes] ||\n hours === 1 && ['h'] ||\n hours < thresholds.h && ['hh', hours] ||\n days === 1 && ['d'] ||\n days < thresholds.d && ['dd', days] ||\n months === 1 && ['M'] ||\n months < thresholds.M && ['MM', months] ||\n years === 1 && ['y'] || ['yy', years];\n\n a[2] = withoutSuffix;\n a[3] = +posNegDuration > 0;\n a[4] = locale;\n return substituteTimeAgo.apply(null, a);\n }\n\n // This function allows you to set a threshold for relative time strings\n function duration_humanize__getSetRelativeTimeThreshold (threshold, limit) {\n if (thresholds[threshold] === undefined) {\n return false;\n }\n if (limit === undefined) {\n return thresholds[threshold];\n }\n thresholds[threshold] = limit;\n return true;\n }\n\n function humanize (withSuffix) {\n var locale = this.localeData();\n var output = duration_humanize__relativeTime(this, !withSuffix, locale);\n\n if (withSuffix) {\n output = locale.pastFuture(+this, output);\n }\n\n return locale.postformat(output);\n }\n\n var iso_string__abs = Math.abs;\n\n function iso_string__toISOString() {\n // for ISO strings we do not use the normal bubbling rules:\n // * milliseconds bubble up until they become hours\n // * days do not bubble at all\n // * months bubble up until they become years\n // This is because there is no context-free conversion between hours and days\n // (think of clock changes)\n // and also not between days and months (28-31 days per month)\n var seconds = iso_string__abs(this._milliseconds) / 1000;\n var days = iso_string__abs(this._days);\n var months = iso_string__abs(this._months);\n var minutes, hours, years;\n\n // 3600 seconds -> 60 minutes -> 1 hour\n minutes = absFloor(seconds / 60);\n hours = absFloor(minutes / 60);\n seconds %= 60;\n minutes %= 60;\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n\n // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n var Y = years;\n var M = months;\n var D = days;\n var h = hours;\n var m = minutes;\n var s = seconds;\n var total = this.asSeconds();\n\n if (!total) {\n // this is the same as C#'s (Noda) and python (isodate)...\n // but not other JS (goog.date)\n return 'P0D';\n }\n\n return (total < 0 ? '-' : '') +\n 'P' +\n (Y ? Y + 'Y' : '') +\n (M ? M + 'M' : '') +\n (D ? D + 'D' : '') +\n ((h || m || s) ? 'T' : '') +\n (h ? h + 'H' : '') +\n (m ? m + 'M' : '') +\n (s ? s + 'S' : '');\n }\n\n var duration_prototype__proto = Duration.prototype;\n\n duration_prototype__proto.abs = duration_abs__abs;\n duration_prototype__proto.add = duration_add_subtract__add;\n duration_prototype__proto.subtract = duration_add_subtract__subtract;\n duration_prototype__proto.as = as;\n duration_prototype__proto.asMilliseconds = asMilliseconds;\n duration_prototype__proto.asSeconds = asSeconds;\n duration_prototype__proto.asMinutes = asMinutes;\n duration_prototype__proto.asHours = asHours;\n duration_prototype__proto.asDays = asDays;\n duration_prototype__proto.asWeeks = asWeeks;\n duration_prototype__proto.asMonths = asMonths;\n duration_prototype__proto.asYears = asYears;\n duration_prototype__proto.valueOf = duration_as__valueOf;\n duration_prototype__proto._bubble = bubble;\n duration_prototype__proto.get = duration_get__get;\n duration_prototype__proto.milliseconds = milliseconds;\n duration_prototype__proto.seconds = seconds;\n duration_prototype__proto.minutes = minutes;\n duration_prototype__proto.hours = hours;\n duration_prototype__proto.days = days;\n duration_prototype__proto.weeks = weeks;\n duration_prototype__proto.months = months;\n duration_prototype__proto.years = years;\n duration_prototype__proto.humanize = humanize;\n duration_prototype__proto.toISOString = iso_string__toISOString;\n duration_prototype__proto.toString = iso_string__toISOString;\n duration_prototype__proto.toJSON = iso_string__toISOString;\n duration_prototype__proto.locale = locale;\n duration_prototype__proto.localeData = localeData;\n\n // Deprecations\n duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);\n duration_prototype__proto.lang = lang;\n\n // Side effect imports\n\n addFormatToken('X', 0, 0, 'unix');\n addFormatToken('x', 0, 0, 'valueOf');\n\n // PARSING\n\n addRegexToken('x', matchSigned);\n addRegexToken('X', matchTimestamp);\n addParseToken('X', function (input, array, config) {\n config._d = new Date(parseFloat(input, 10) * 1000);\n });\n addParseToken('x', function (input, array, config) {\n config._d = new Date(toInt(input));\n });\n\n // Side effect imports\n\n\n utils_hooks__hooks.version = '2.10.6';\n\n setHookCallback(local__createLocal);\n\n utils_hooks__hooks.fn = momentPrototype;\n utils_hooks__hooks.min = min;\n utils_hooks__hooks.max = max;\n utils_hooks__hooks.utc = create_utc__createUTC;\n utils_hooks__hooks.unix = moment__createUnix;\n utils_hooks__hooks.months = lists__listMonths;\n utils_hooks__hooks.isDate = isDate;\n utils_hooks__hooks.locale = locale_locales__getSetGlobalLocale;\n utils_hooks__hooks.invalid = valid__createInvalid;\n utils_hooks__hooks.duration = create__createDuration;\n utils_hooks__hooks.isMoment = isMoment;\n utils_hooks__hooks.weekdays = lists__listWeekdays;\n utils_hooks__hooks.parseZone = moment__createInZone;\n utils_hooks__hooks.localeData = locale_locales__getLocale;\n utils_hooks__hooks.isDuration = isDuration;\n utils_hooks__hooks.monthsShort = lists__listMonthsShort;\n utils_hooks__hooks.weekdaysMin = lists__listWeekdaysMin;\n utils_hooks__hooks.defineLocale = defineLocale;\n utils_hooks__hooks.weekdaysShort = lists__listWeekdaysShort;\n utils_hooks__hooks.normalizeUnits = normalizeUnits;\n utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;\n\n var _moment = utils_hooks__hooks;\n\n return _moment;\n\n}));\n/**\n * Bunch of useful filters for angularJS(with no external dependencies!)\n * @version v0.5.17 - 2017-09-22 * @link https://github.com/a8m/angular-filter\n * @author Ariel Mashraki
\n * @license MIT License, http://www.opensource.org/licenses/MIT\n */\n(function ( window, angular, undefined ) {\n/*jshint globalstrict:true*/\n'use strict';\n\nvar isDefined = angular.isDefined,\n isUndefined = angular.isUndefined,\n isFunction = angular.isFunction,\n isString = angular.isString,\n isNumber = angular.isNumber,\n isObject = angular.isObject,\n isArray = angular.isArray,\n forEach = angular.forEach,\n extend = angular.extend,\n copy = angular.copy,\n equals = angular.equals;\n\n\n/**\n * @description\n * get an object and return array of values\n * @param object\n * @returns {Array}\n */\nfunction toArray(object) {\n return isArray(object) \n ? object \n : Object.keys(object).map(function(key) {\n return object[key];\n });\n}\n\n/**\n * @param value\n * @returns {boolean}\n */\nfunction isNull(value) {\n return value === null;\n}\n\n/**\n * @description\n * return if object contains partial object\n * @param partial{object}\n * @param object{object}\n * @returns {boolean}\n */\nfunction objectContains(partial, object) {\n var keys = Object.keys(partial);\n\n return keys.map(function(el) {\n return (object[el] !== undefined) && (object[el] == partial[el]);\n }).indexOf(false) == -1;\n\n}\n\n/**\n * @description\n * search for approximate pattern in string\n * @param word\n * @param pattern\n * @returns {*}\n */\nfunction hasApproxPattern(word, pattern) {\n // cheaper version of indexOf; instead of creating each\n // iteration new str.\n function indexOf(word, p, c) {\n var j = 0;\n while ((p + j) <= word.length) {\n if (word.charAt(p + j) == c) return j;\n j++;\n }\n return -1;\n }\n var p = 0;\n for (var i = 0; i <= pattern.length; i++) {\n var index = indexOf(word, p, pattern.charAt(i));\n if (index == -1) return false;\n p += index + 1;\n }\n return true\n}\n\n/**\n * @description\n * return the first n element of an array,\n * if expression provided, is returns as long the expression return truthy\n * @param array\n * @param n {number}\n * @param expression {$parse}\n * @return array or single object\n */\nfunction getFirstMatches(array, n, expression) {\n var count = 0;\n\n return array.filter(function(elm) {\n var rest = isDefined(expression) ? (count < n && expression(elm)) : count < n;\n count = rest ? count+1 : count;\n\n return rest;\n });\n}\n/**\n * Polyfill to ECMA6 String.prototype.contains\n */\nif (!String.prototype.contains) {\n String.prototype.contains = function() {\n return String.prototype.indexOf.apply(this, arguments) !== -1;\n };\n}\n\n/**\n * @param num {Number}\n * @param decimal {Number}\n * @returns {Number}\n */\nfunction convertToDecimal(num, decimal){\n return Math.round(num * Math.pow(10,decimal)) / (Math.pow(10, decimal));\n}\n\n/**\n * @description\n * Get an object, and return an array composed of it's properties names(nested too).\n * @param obj {Object}\n * @param stack {Array}\n * @param parent {String}\n * @returns {Array}\n * @example\n * parseKeys({ a:1, b: { c:2, d: { e: 3 } } }) ==> [\"a\", \"b.c\", \"b.d.e\"]\n */\nfunction deepKeys(obj, stack, parent) {\n stack = stack || [];\n var keys = Object.keys(obj);\n\n keys.forEach(function(el) {\n //if it's a nested object\n if(isObject(obj[el]) && !isArray(obj[el])) {\n //concatenate the new parent if exist\n var p = parent ? parent + '.' + el : parent;\n deepKeys(obj[el], stack, p || el);\n } else {\n //create and save the key\n var key = parent ? parent + '.' + el : el;\n stack.push(key)\n }\n });\n return stack\n}\n\n/**\n * @description\n * Test if given object is a Scope instance\n * @param obj\n * @returns {Boolean}\n */\nfunction isScope(obj) {\n return obj && obj.$evalAsync && obj.$watch;\n}\n\n/**\n * @ngdoc filter\n * @name a8m.angular\n * @kind function\n *\n * @description\n * reference to angular function\n */\n\nangular.module('a8m.angular', [])\n\n .filter('isUndefined', function () {\n return function (input) {\n return angular.isUndefined(input);\n }\n })\n .filter('isDefined', function() {\n return function (input) {\n return angular.isDefined(input);\n }\n })\n .filter('isFunction', function() {\n return function (input) {\n return angular.isFunction(input);\n }\n })\n .filter('isString', function() {\n return function (input) {\n return angular.isString(input)\n }\n })\n .filter('isNumber', function() {\n return function (input) {\n return angular.isNumber(input);\n }\n })\n .filter('isArray', function() {\n return function (input) {\n return angular.isArray(input);\n }\n })\n .filter('isObject', function() {\n return function (input) {\n return angular.isObject(input);\n }\n })\n .filter('isEqual', function() {\n return function (o1, o2) {\n return angular.equals(o1, o2);\n }\n });\n\n/**\n * @ngdoc filter\n * @name a8m.conditions\n * @kind function\n *\n * @description\n * reference to math conditions\n */\n angular.module('a8m.conditions', [])\n\n .filter({\n isGreaterThan : isGreaterThanFilter,\n '>' : isGreaterThanFilter,\n\n isGreaterThanOrEqualTo : isGreaterThanOrEqualToFilter,\n '>=' : isGreaterThanOrEqualToFilter,\n\n isLessThan : isLessThanFilter,\n '<' : isLessThanFilter,\n\n isLessThanOrEqualTo : isLessThanOrEqualToFilter,\n '<=' : isLessThanOrEqualToFilter,\n\n isEqualTo : isEqualToFilter,\n '==' : isEqualToFilter,\n\n isNotEqualTo : isNotEqualToFilter,\n '!=' : isNotEqualToFilter,\n\n isIdenticalTo : isIdenticalToFilter,\n '===' : isIdenticalToFilter,\n\n isNotIdenticalTo : isNotIdenticalToFilter,\n '!==' : isNotIdenticalToFilter\n });\n\n function isGreaterThanFilter() {\n return function (input, check) {\n return input > check;\n };\n }\n\n function isGreaterThanOrEqualToFilter() {\n return function (input, check) {\n return input >= check;\n };\n }\n\n function isLessThanFilter() {\n return function (input, check) {\n return input < check;\n };\n }\n\n function isLessThanOrEqualToFilter() {\n return function (input, check) {\n return input <= check;\n };\n }\n\n function isEqualToFilter() {\n return function (input, check) {\n return input == check;\n };\n }\n\n function isNotEqualToFilter() {\n return function (input, check) {\n return input != check;\n };\n }\n\n function isIdenticalToFilter() {\n return function (input, check) {\n return input === check;\n };\n }\n\n function isNotIdenticalToFilter() {\n return function (input, check) {\n return input !== check;\n };\n }\n/**\n * @ngdoc filter\n * @name isNull\n * @kind function\n *\n * @description\n * checks if value is null or not\n * @return Boolean\n */\nangular.module('a8m.is-null', [])\n .filter('isNull', function () {\n return function(input) {\n return isNull(input);\n }\n });\n\n/**\n * @ngdoc filter\n * @name after-where\n * @kind function\n *\n * @description\n * get a collection and properties object, and returns all of the items\n * in the collection after the first that found with the given properties.\n *\n */\nangular.module('a8m.after-where', [])\n .filter('afterWhere', function() {\n return function (collection, object) {\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection) || isUndefined(object)) return collection;\n\n var index = collection.map( function( elm ) {\n return objectContains(object, elm);\n }).indexOf( true );\n\n return collection.slice((index === -1) ? 0 : index);\n }\n });\n\n/**\n * @ngdoc filter\n * @name after\n * @kind function\n *\n * @description\n * get a collection and specified count, and returns all of the items\n * in the collection after the specified count.\n *\n */\n\nangular.module('a8m.after', [])\n .filter('after', function() {\n return function (collection, count) {\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n return (isArray(collection))\n ? collection.slice(count)\n : collection;\n }\n });\n\n/**\n * @ngdoc filter\n * @name before-where\n * @kind function\n *\n * @description\n * get a collection and properties object, and returns all of the items\n * in the collection before the first that found with the given properties.\n */\nangular.module('a8m.before-where', [])\n .filter('beforeWhere', function() {\n return function (collection, object) {\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection) || isUndefined(object)) return collection;\n\n var index = collection.map( function( elm ) {\n return objectContains(object, elm);\n }).indexOf( true );\n\n return collection.slice(0, (index === -1) ? collection.length : ++index);\n }\n });\n\n/**\n * @ngdoc filter\n * @name before\n * @kind function\n *\n * @description\n * get a collection and specified count, and returns all of the items\n * in the collection before the specified count.\n */\nangular.module('a8m.before', [])\n .filter('before', function() {\n return function (collection, count) {\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n return (isArray(collection))\n ? collection.slice(0, (!count) ? count : --count)\n : collection;\n }\n });\n\n/**\n * @ngdoc filter\n * @name chunkBy\n * @kind function\n *\n * @description\n * Collect data into fixed-length chunks or blocks\n */\n\nangular.module('a8m.chunk-by', ['a8m.filter-watcher'])\n .filter('chunkBy', ['filterWatcher', function (filterWatcher) {\n return function (array, n, fillVal) {\n\n return filterWatcher.isMemoized('chunkBy', arguments) ||\n filterWatcher.memoize('chunkBy', arguments, this,\n _chunkBy(array, n, fillVal));\n /**\n * @description\n * Get array with size `n` in `val` inside it.\n * @param n\n * @param val\n * @returns {Array}\n */\n function fill(n, val) {\n var ret = [];\n while (n--) ret[n] = val;\n return ret;\n }\n\n function _chunkBy(array, n, fillVal) {\n if (!isArray(array)) return array;\n return array.map(function (el, i, self) {\n i = i * n;\n el = self.slice(i, i + n);\n return !isUndefined(fillVal) && el.length < n\n ? el.concat(fill(n - el.length, fillVal))\n : el;\n }).slice(0, Math.ceil(array.length / n));\n }\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name concat\n * @kind function\n *\n * @description\n * get (array/object, object/array) and return merged collection\n */\nangular.module('a8m.concat', [])\n .filter('concat', [function () {\n return function (collection, joined) {\n\n if (isUndefined(joined)) return collection;\n\n if (isArray(collection)) {\n return isObject(joined)\n ? collection.concat(toArray(joined))\n : collection.concat(joined);\n }\n\n if (isObject(collection)) {\n var array = toArray(collection);\n return (isObject(joined))\n ? array.concat(toArray(joined))\n : array.concat(joined);\n }\n return collection;\n };\n }\n]);\n\n/**\n * @ngdoc filter\n * @name contains\n * @kind function\n *\n * @description\n * Checks if given expression is present in one or more object in the collection\n */\nangular.module('a8m.contains', [])\n .filter({\n contains: ['$parse', containsFilter],\n some: ['$parse', containsFilter]\n });\n\nfunction containsFilter($parse) {\n return function (collection, expression) {\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(expression)) {\n return false;\n }\n\n return collection.some(function(elm) {\n return ((isString(expression) && isObject(elm)) || isFunction(expression))\n ? $parse(expression)(elm)\n : elm === expression;\n });\n\n }\n }\n\n/**\n * @ngdoc filter\n * @name countBy\n * @kind function\n *\n * @description\n * Sorts a list into groups and returns a count for the number of objects in each group.\n */\n\nangular.module('a8m.count-by', [])\n\n .filter('countBy', [ '$parse', function ( $parse ) {\n return function (collection, property) {\n\n var result = {},\n get = $parse(property),\n prop;\n\n collection = (isObject(collection)) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(property)) {\n return collection;\n }\n\n collection.forEach( function( elm ) {\n prop = get(elm);\n\n if(!result[prop]) {\n result[prop] = 0;\n }\n\n result[prop]++;\n });\n\n return result;\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name defaults\n * @kind function\n *\n * @description\n * defaultsFilter allows to specify a default fallback value for properties that resolve to undefined.\n */\nangular.module('a8m.defaults', [])\n .filter('defaults', ['$parse', function( $parse ) {\n return function(collection, defaults) {\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || !isObject(defaults)) {\n return collection;\n }\n\n var keys = deepKeys(defaults);\n\n collection.forEach(function(elm) {\n //loop through all the keys\n keys.forEach(function(key) {\n var getter = $parse(key);\n var setter = getter.assign;\n //if it's not exist\n if(isUndefined(getter(elm))) {\n //get from defaults, and set to the returned object\n setter(elm, getter(defaults))\n }\n });\n });\n\n return collection;\n }\n }]);\n/**\n * @ngdoc filter\n * @name every\n * @kind function\n *\n * @description\n * Checks if given expression is present in all members in the collection\n *\n */\nangular.module('a8m.every', [])\n .filter('every', ['$parse', function($parse) {\n return function (collection, expression) {\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(expression)) {\n return true;\n }\n\n return collection.every( function(elm) {\n return (isObject(elm) || isFunction(expression))\n ? $parse(expression)(elm)\n : elm === expression;\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name filterBy\n * @kind function\n *\n * @description\n * filter by specific properties, avoid the rest\n */\nangular.module('a8m.filter-by', [])\n .filter('filterBy', ['$parse', function( $parse ) {\n return function(collection, properties, search, strict) {\n var comparator;\n\n search = (isString(search) || isNumber(search)) ?\n String(search).toLowerCase() : undefined;\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(search)) {\n return collection;\n }\n\n return collection.filter(function(elm) {\n return properties.some(function(prop) {\n\n /**\n * check if there is concatenate properties\n * example:\n * object: { first: 'foo', last:'bar' }\n * filterBy: ['first + last'] => search by full name(i.e 'foo bar')\n */\n if(!~prop.indexOf('+')) {\n comparator = $parse(prop)(elm)\n } else {\n var propList = prop.replace(/\\s+/g, '').split('+');\n comparator = propList\n .map(function(prop) { return $parse(prop)(elm); })\n .join(' ');\n }\n\n if (!isString(comparator) && !isNumber(comparator)) {\n return false;\n }\n\n comparator = String(comparator).toLowerCase();\n\n return strict ? comparator === search : comparator.contains(search);\n });\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name first\n * @kind function\n *\n * @description\n * Gets the first element or first n elements of an array\n * if callback is provided, is returns as long the callback return truthy\n */\nangular.module('a8m.first', [])\n .filter('first', ['$parse', function( $parse ) {\n return function(collection) {\n var n\n , getter\n , args;\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection)) {\n return collection;\n }\n\n args = Array.prototype.slice.call(arguments, 1);\n n = (isNumber(args[0])) ? args[0] : 1;\n getter = (!isNumber(args[0])) ? args[0] : (!isNumber(args[1])) ? args[1] : undefined;\n\n return (args.length) ? getFirstMatches(collection, n,(getter) ? $parse(getter) : getter) :\n collection[0];\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name flatten\n * @kind function\n *\n * @description\n * Flattens a nested array (the nesting can be to any depth).\n * If you pass shallow, the array will only be flattened a single level\n */\nangular.module('a8m.flatten', [])\n .filter('flatten', function () {\n return function(collection, shallow) {\n\n shallow = shallow || false;\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection)) {\n return collection;\n }\n\n return !shallow\n ? flatten(collection, 0)\n : [].concat.apply([], collection);\n }\n });\n\n/**\n * flatten nested array (the nesting can be to any depth).\n * @param array {Array}\n * @param i {int}\n * @returns {Array}\n * @private\n */\nfunction flatten(array, i) {\n i = i || 0;\n\n if(i >= array.length)\n return array;\n\n if(isArray(array[i])) {\n return flatten(array.slice(0,i)\n .concat(array[i], array.slice(i+1)), i);\n }\n return flatten(array, i+1);\n}\n\n/**\n * @ngdoc filter\n * @name fuzzyByKey\n * @kind function\n *\n * @description\n * fuzzy string searching by key\n */\nangular.module('a8m.fuzzy-by', [])\n .filter('fuzzyBy', ['$parse', function ( $parse ) {\n return function (collection, property, search, csensitive) {\n\n var sensitive = csensitive || false,\n prop, getter;\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(property)\n || isUndefined(search)) {\n return collection;\n }\n\n getter = $parse(property);\n\n return collection.filter(function(elm) {\n\n prop = getter(elm);\n if(!isString(prop)) {\n return false;\n }\n\n prop = (sensitive) ? prop : prop.toLowerCase();\n search = (sensitive) ? search : search.toLowerCase();\n\n return hasApproxPattern(prop, search) !== false\n })\n }\n\n }]);\n/**\n * @ngdoc filter\n * @name fuzzy\n * @kind function\n *\n * @description\n * fuzzy string searching for array of strings, objects\n */\nangular.module('a8m.fuzzy', [])\n .filter('fuzzy', function () {\n return function (collection, search, csensitive) {\n var sensitive = csensitive || false;\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if(!isArray(collection) || isUndefined(search)) {\n return collection;\n }\n\n search = (sensitive) ? search : search.toLowerCase();\n\n return collection.filter(function(elm) {\n if(isString(elm)) {\n elm = (sensitive) ? elm : elm.toLowerCase();\n return hasApproxPattern(elm, search) !== false\n }\n return (isObject(elm)) ? _hasApproximateKey(elm, search) : false;\n });\n\n /**\n * checks if object has key{string} that match\n * to fuzzy search pattern\n * @param object\n * @param search\n * @returns {boolean}\n * @private\n */\n function _hasApproximateKey(object, search) {\n var properties = Object.keys(object),\n prop, flag;\n return 0 < properties.filter(function (elm) {\n prop = object[elm];\n\n //avoid iteration if we found some key that equal[performance]\n if(flag) return true;\n\n if (isString(prop)) {\n prop = (sensitive) ? prop : prop.toLowerCase();\n return flag = (hasApproxPattern(prop, search) !== false);\n }\n\n return false;\n\n }).length;\n }\n }\n });\n\n/**\n * @ngdoc filter\n * @name groupBy\n * @kind function\n *\n * @description\n * Create an object composed of keys generated from the result of running each element of a collection,\n * each key is an array of the elements.\n */\n\nangular.module('a8m.group-by', [ 'a8m.filter-watcher' ])\n .filter('groupBy', [ '$parse', 'filterWatcher', function ( $parse, filterWatcher ) {\n return function (collection, property) {\n\n if(!isObject(collection) || isUndefined(property)) {\n return collection;\n }\n\n return filterWatcher.isMemoized('groupBy', arguments) ||\n filterWatcher.memoize('groupBy', arguments, this,\n _groupBy(collection, $parse(property)));\n\n /**\n * groupBy function\n * @param collection\n * @param getter\n * @returns {{}}\n */\n function _groupBy(collection, getter) {\n var result = {};\n var prop;\n\n forEach( collection, function( elm ) {\n prop = getter(elm);\n\n if(!result[prop]) {\n result[prop] = [];\n }\n result[prop].push(elm);\n });\n return result;\n }\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name isEmpty\n * @kind function\n *\n * @description\n * get collection or string and return if it empty\n */\nangular.module('a8m.is-empty', [])\n .filter('isEmpty', function () {\n return function(collection) {\n return isObject(collection)\n ? !toArray(collection).length\n : !collection.length;\n }\n });\n\n/**\n * @ngdoc filter\n * @name join\n * @kind function\n *\n * @description\n * join a collection by a provided delimiter (space by default)\n */\nangular.module('a8m.join', [])\n .filter('join', function () {\n return function (input, delimiter) {\n if (isUndefined(input) || !isArray(input)) {\n return input;\n }\n if (isUndefined(delimiter)) delimiter = ' ';\n\n return input.join(delimiter);\n };\n })\n;\n\n/**\n * @ngdoc filter\n * @name last\n * @kind function\n *\n * @description\n * Gets the last element or last n elements of an array\n * if callback is provided, is returns as long the callback return truthy\n */\nangular.module('a8m.last', [])\n .filter('last', ['$parse', function( $parse ) {\n return function(collection) {\n var n\n , getter\n , args\n //cuz reverse change our src collection\n //and we don't want side effects\n , reversed = copy(collection);\n\n reversed = isObject(reversed)\n ? toArray(reversed)\n : reversed;\n\n if(!isArray(reversed)) {\n return reversed;\n }\n\n args = Array.prototype.slice.call(arguments, 1);\n n = (isNumber(args[0])) ? args[0] : 1;\n getter = (!isNumber(args[0])) ? args[0] : (!isNumber(args[1])) ? args[1] : undefined;\n\n return (args.length)\n //send reversed collection as arguments, and reverse it back as result\n ? getFirstMatches(reversed.reverse(), n,(getter) ? $parse(getter) : getter).reverse()\n //get the last element\n : reversed[reversed.length-1];\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name map\n * @kind function\n *\n * @description\n * Returns a new collection of the results of each expression execution.\n */\nangular.module('a8m.map', [])\n .filter('map', ['$parse', function($parse) {\n return function (collection, expression) {\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection) || isUndefined(expression)) {\n return collection;\n }\n\n return collection.map(function (elm) {\n return $parse(expression)(elm);\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name omit\n * @kind function\n *\n * @description\n * filter collection by expression\n */\n\nangular.module('a8m.omit', [])\n\n .filter('omit', ['$parse', function($parse) {\n return function (collection, expression) {\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection) || isUndefined(expression)) {\n return collection;\n }\n\n return collection.filter(function (elm) {\n return !($parse(expression)(elm));\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name pick\n * @kind function\n *\n * @description\n * filter collection by expression\n */\n\nangular.module('a8m.pick', [])\n\n .filter('pick', ['$parse', function($parse) {\n return function (collection, expression) {\n\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n if(!isArray(collection) || isUndefined(expression)) {\n return collection;\n }\n\n return collection.filter(function (elm) {\n return $parse(expression)(elm);\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name range\n * @kind function\n *\n * @description\n * rangeFilter provides some support for a for loop using numbers\n */\nangular.module('a8m.range', [])\n .filter('range', function () {\n return function (input, total, start, increment, cb) {\n start = start || 0;\n increment = increment || 1;\n for (var i = 0; i < parseInt(total); i++) {\n var j = start + i * increment;\n input.push(isFunction(cb) ? cb(j) : j);\n }\n return input;\n };\n });\n/**\n * @ngdoc filter\n * @name removeWith\n * @kind function\n *\n * @description\n * get collection and properties object, and removed elements\n * with this properties\n */\n\nangular.module('a8m.remove-with', [])\n .filter('removeWith', function() {\n return function (collection, object) {\n\n if(isUndefined(object)) {\n return collection;\n }\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n return collection.filter(function (elm) {\n return !objectContains(object, elm);\n });\n }\n });\n\n\n/**\n * @ngdoc filter\n * @name remove\n * @kind function\n *\n * @description\n * remove specific members from collection\n */\n\nangular.module('a8m.remove', [])\n\n .filter('remove', function () {\n return function (collection) {\n collection = isObject(collection) ? toArray(collection) : collection;\n var args = Array.prototype.slice.call(arguments, 1);\n\n if(!isArray(collection)) {\n return collection;\n }\n\n return collection.filter( function( member ) {\n return !args.some(function(nest) {\n return equals(nest, member);\n })\n });\n }\n });\n\n/**\n * @ngdoc filter\n * @name reverse\n * @kind function\n *\n * @description\n * Reverses a string or collection\n */\nangular.module('a8m.reverse', [])\n .filter('reverse',[ function () {\n return function (input) {\n input = isObject(input) ? toArray(input) : input;\n\n if(isString(input)) {\n return input.split('').reverse().join('');\n }\n\n return isArray(input)\n ? input.slice().reverse()\n : input;\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name searchField\n * @kind function\n *\n * @description\n * for each member, join several strings field and add them to\n * new field called 'searchField' (use for search filtering)\n */\nangular.module('a8m.search-field', [])\n .filter('searchField', ['$parse', function ($parse) {\n return function (collection) {\n\n var get, field;\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n var args = Array.prototype.slice.call(arguments, 1);\n\n if(!isArray(collection) || !args.length) {\n return collection;\n }\n\n return collection.map(function(member) {\n\n field = args.map(function(field) {\n get = $parse(field);\n return get(member);\n }).join(' ');\n\n return extend(member, { searchField: field });\n });\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name toArray\n * @kind function\n *\n * @description\n * Convert objects into stable arrays.\n * if addKey set to true,the filter also attaches a new property\n * $key to the value containing the original key that was used in\n * the object we are iterating over to reference the property\n */\nangular.module('a8m.to-array', [])\n .filter('toArray', function() {\n return function (collection, addKey) {\n\n if(!isObject(collection)) {\n return collection;\n }\n\n return !addKey\n ? toArray(collection)\n : Object.keys(collection).map(function (key) {\n return extend(collection[key], { $key: key });\n });\n }\n });\n\n/**\n * @ngdoc filter\n * @name unique/uniq\n * @kind function\n *\n * @description\n * get collection and filter duplicate members\n * if uniqueFilter get a property(nested to) as argument it's\n * filter by this property as unique identifier\n */\n\nangular.module('a8m.unique', [])\n .filter({\n unique: ['$parse', uniqFilter],\n uniq: ['$parse', uniqFilter]\n });\n\nfunction uniqFilter($parse) {\n return function (collection, property) {\n\n collection = isObject(collection) ? toArray(collection) : collection;\n\n if (!isArray(collection)) {\n return collection;\n }\n\n //store all unique identifiers\n var uniqueItems = [],\n get = $parse(property);\n\n return (isUndefined(property))\n //if it's kind of primitive array\n ? collection.filter(function (elm, pos, self) {\n return self.indexOf(elm) === pos;\n })\n //else compare with equals\n : collection.filter(function (elm) {\n var prop = get(elm);\n if(some(uniqueItems, prop)) {\n return false;\n }\n uniqueItems.push(prop);\n return true;\n });\n\n //checked if the unique identifier is already exist\n function some(array, member) {\n if(isUndefined(member)) {\n return false;\n }\n return array.some(function(el) {\n return equals(el, member);\n });\n }\n }\n}\n\n/**\n * @ngdoc filter\n * @name where\n * @kind function\n *\n * @description\n * of each element in a collection to the given properties object,\n * returning an array of all elements that have equivalent property values.\n *\n */\nangular.module('a8m.where', [])\n .filter('where', function() {\n return function (collection, object) {\n if(isUndefined(object)) return collection;\n collection = isObject(collection)\n ? toArray(collection)\n : collection;\n\n return collection.filter(function (elm) {\n return objectContains(object, elm);\n });\n }\n });\n\n/**\n * @ngdoc filter\n * @name xor\n * @kind function\n *\n * @description\n * Exclusive or filter by expression\n */\n\nangular.module('a8m.xor', [])\n\n .filter('xor', ['$parse', function($parse) {\n return function (col1, col2, expression) {\n\n expression = expression || false;\n\n col1 = isObject(col1) ? toArray(col1) : col1;\n col2 = isObject(col2) ? toArray(col2) : col2;\n\n if(!isArray(col1) || !isArray(col2)) return col1;\n\n return col1.concat(col2)\n .filter(function(elm) {\n return !(some(elm, col1) && some(elm, col2));\n });\n\n function some(el, col) {\n var getter = $parse(expression);\n return col.some(function(dElm) {\n return expression\n ? equals(getter(dElm), getter(el))\n : equals(dElm, el);\n });\n }\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name abs\n * @kind function\n *\n * @description\n * Will return the absolute value of a number\n */\nangular.module('a8m.math.abs', [])\n .filter('abs', function () {\n return function (input) {\n return Math.abs(input);\n }\n });\n\n/**\n * @ngdoc filter\n * @name formatBytes\n * @kind function\n *\n * @description\n * Convert bytes into appropriate display \n * 1024 bytes => 1 KB\n */\nangular.module('a8m.math.byteFmt', [])\n .filter('byteFmt', function () {\n var compared = [{str: 'B', val: 1024}];\n ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'].forEach(function(el, i) {\n compared.push({str: el, val: compared[i].val * 1024 });\n });\n return function (bytes, decimal) {\n if(isNumber(decimal) && isFinite(decimal) && decimal%1===0 && decimal >= 0 &&\n isNumber(bytes) && isFinite(bytes)) {\n var i = 0;\n while (i < compared.length-1 && bytes >= compared[i].val) i++;\n bytes /= i > 0 ? compared[i-1].val : 1;\n return convertToDecimal(bytes, decimal) + ' ' + compared[i].str;\n }\n return 'NaN';\n }\n });\n\n/**\n * @ngdoc filter\n * @name degrees\n * @kind function\n *\n * @description\n * Convert angle from radians to degrees\n */\nangular.module('a8m.math.degrees', [])\n .filter('degrees', function () {\n return function (radians, decimal) {\n // if decimal is not an integer greater than -1, we cannot do. quit with error \"NaN\"\n // if degrees is not a real number, we cannot do also. quit with error \"NaN\"\n if(isNumber(decimal) && isFinite(decimal) && decimal%1===0 && decimal >= 0 &&\n isNumber(radians) && isFinite(radians)) {\n var degrees = (radians * 180) / Math.PI;\n return Math.round(degrees * Math.pow(10,decimal)) / (Math.pow(10,decimal));\n } else {\n return 'NaN';\n }\n }\n });\n\n \n \n/**\n * @ngdoc filter\n * @name formatBytes\n * @kind function\n *\n * @description\n * Convert bytes into appropriate display \n * 1024 kilobytes => 1 MB\n */\nangular.module('a8m.math.kbFmt', [])\n .filter('kbFmt', function () {\n var compared = [{str: 'KB', val: 1024}];\n ['MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'].forEach(function(el, i) {\n compared.push({str: el, val: compared[i].val * 1024 });\n });\n return function (bytes, decimal) {\n if(isNumber(decimal) && isFinite(decimal) && decimal%1===0 && decimal >= 0 &&\n isNumber(bytes) && isFinite(bytes)) {\n var i = 0;\n while (i < compared.length-1 && bytes >= compared[i].val) i++;\n bytes /= i > 0 ? compared[i-1].val : 1;\n return convertToDecimal(bytes, decimal) + ' ' + compared[i].str;\n }\n return 'NaN';\n }\n });\n/**\n * @ngdoc filter\n * @name max\n * @kind function\n *\n * @description\n * Math.max will get an array and return the max value. if an expression\n * is provided, will return max value by expression.\n */\nangular.module('a8m.math.max', [])\n .filter('max', ['$parse', function ($parse) {\n return function (input, expression) {\n\n if(!isArray(input)) {\n return input;\n }\n return isUndefined(expression)\n ? Math.max.apply(Math, input)\n : input[indexByMax(input, expression)];\n };\n\n /**\n * @private\n * @param array\n * @param exp\n * @returns {number|*|Number}\n */\n function indexByMax(array, exp) {\n var mappedArray = array.map(function(elm){\n return $parse(exp)(elm);\n });\n return mappedArray.indexOf(Math.max.apply(Math, mappedArray));\n }\n }]);\n/**\n * @ngdoc filter\n * @name min\n * @kind function\n *\n * @description\n * Math.min will get an array and return the min value. if an expression\n * is provided, will return min value by expression.\n */\nangular.module('a8m.math.min', [])\n .filter('min', ['$parse', function ($parse) {\n return function (input, expression) {\n\n if(!isArray(input)) {\n return input;\n }\n return isUndefined(expression)\n ? Math.min.apply(Math, input)\n : input[indexByMin(input, expression)];\n };\n\n /**\n * @private\n * @param array\n * @param exp\n * @returns {number|*|Number}\n */\n function indexByMin(array, exp) {\n var mappedArray = array.map(function(elm){\n return $parse(exp)(elm);\n });\n return mappedArray.indexOf(Math.min.apply(Math, mappedArray));\n }\n }]);\n/**\n * @ngdoc filter\n * @name Percent\n * @kind function\n *\n * @description\n * percentage between two numbers\n */\nangular.module('a8m.math.percent', [])\n .filter('percent', function () {\n return function (input, divided, round) {\n\n var divider = isString(input) ? Number(input) : input;\n divided = divided || 100;\n round = round || false;\n\n if (!isNumber(divider) || isNaN(divider)) return input;\n\n return round\n ? Math.round((divider / divided) * 100)\n : (divider / divided) * 100;\n }\n });\n\n/**\n * @ngdoc filter\n * @name toRadians\n * @kind function\n *\n * @description\n * Convert angle from degrees to radians\n */\nangular.module('a8m.math.radians', [])\n .filter('radians', function() {\n return function (degrees, decimal) {\n // if decimal is not an integer greater than -1, we cannot do. quit with error \"NaN\"\n // if degrees is not a real number, we cannot do also. quit with error \"NaN\"\n if(isNumber(decimal) && isFinite(decimal) && decimal%1===0 && decimal >= 0 &&\n isNumber(degrees) && isFinite(degrees)) {\n var radians = (degrees * 3.14159265359) / 180;\n return Math.round(radians * Math.pow(10,decimal)) / (Math.pow(10,decimal));\n }\n return 'NaN';\n }\n });\n\n \n \n/**\n * @ngdoc filter\n * @name Radix\n * @kind function\n *\n * @description\n * converting decimal numbers to different bases(radix)\n */\nangular.module('a8m.math.radix', [])\n .filter('radix', function () {\n return function (input, radix) {\n var RANGE = /^[2-9]$|^[1-2]\\d$|^3[0-6]$/;\n\n if(!isNumber(input) || !RANGE.test(radix)) {\n return input;\n }\n\n return input.toString(radix).toUpperCase();\n }\n });\n\n/**\n * @ngdoc filter\n * @name formatBytes\n * @kind function\n *\n * @description\n * Convert number into abbreviations.\n * i.e: K for one thousand, M for Million, B for billion\n * e.g: number of users:235,221, decimal:1 => 235.2 K\n */\nangular.module('a8m.math.shortFmt', [])\n .filter('shortFmt', function () {\n return function (number, decimal) {\n if(isNumber(decimal) && isFinite(decimal) && decimal%1===0 && decimal >= 0 &&\n isNumber(number) && isFinite(number)){\n if(number < 1e3) {\n return '' + number; // Coerce to string\n } else if(number < 1e6) {\n return convertToDecimal((number / 1e3), decimal) + ' K';\n } else if(number < 1e9){\n return convertToDecimal((number / 1e6), decimal) + ' M';\n } else {\n return convertToDecimal((number / 1e9), decimal) + ' B';\n }\n\n }\n return 'NaN';\n }\n });\n/**\n * @ngdoc filter\n * @name sum\n * @kind function\n *\n * @description\n * Sum up all values within an array\n */\nangular.module('a8m.math.sum', [])\n .filter('sum', function () {\n return function (input, initial) {\n return !isArray(input)\n ? input\n : input.reduce(function(prev, curr) {\n return prev + curr;\n }, initial || 0);\n }\n });\n\n/**\n * @ngdoc filter\n * @name endsWith\n * @kind function\n *\n * @description\n * checks whether string ends with the ends parameter.\n */\nangular.module('a8m.ends-with', [])\n\n .filter('endsWith', function () {\n return function (input, ends, csensitive) {\n\n var sensitive = csensitive || false,\n position;\n\n if(!isString(input) || isUndefined(ends)) {\n return input;\n }\n\n input = (sensitive) ? input : input.toLowerCase();\n position = input.length - ends.length;\n\n return input.indexOf((sensitive) ? ends : ends.toLowerCase(), position) !== -1;\n }\n });\n\n/**\r\n * @ngdoc filter\r\n * @name latinize\r\n * @kind function\r\n *\r\n * @description\r\n * remove accents/diacritics from a string\r\n */\r\nangular.module('a8m.latinize', [])\r\n .filter('latinize',[ function () {\r\n var defaultDiacriticsRemovalap = [\r\n {'base':'A', 'letters':'\\u0041\\u24B6\\uFF21\\u00C0\\u00C1\\u00C2\\u1EA6\\u1EA4\\u1EAA\\u1EA8\\u00C3\\u0100\\u0102\\u1EB0\\u1EAE\\u1EB4\\u1EB2\\u0226\\u01E0\\u00C4\\u01DE\\u1EA2\\u00C5\\u01FA\\u01CD\\u0200\\u0202\\u1EA0\\u1EAC\\u1EB6\\u1E00\\u0104\\u023A\\u2C6F'},\r\n {'base':'AA','letters':'\\uA732'},\r\n {'base':'AE','letters':'\\u00C6\\u01FC\\u01E2'},\r\n {'base':'AO','letters':'\\uA734'},\r\n {'base':'AU','letters':'\\uA736'},\r\n {'base':'AV','letters':'\\uA738\\uA73A'},\r\n {'base':'AY','letters':'\\uA73C'},\r\n {'base':'B', 'letters':'\\u0042\\u24B7\\uFF22\\u1E02\\u1E04\\u1E06\\u0243\\u0182\\u0181'},\r\n {'base':'C', 'letters':'\\u0043\\u24B8\\uFF23\\u0106\\u0108\\u010A\\u010C\\u00C7\\u1E08\\u0187\\u023B\\uA73E'},\r\n {'base':'D', 'letters':'\\u0044\\u24B9\\uFF24\\u1E0A\\u010E\\u1E0C\\u1E10\\u1E12\\u1E0E\\u0110\\u018B\\u018A\\u0189\\uA779'},\r\n {'base':'DZ','letters':'\\u01F1\\u01C4'},\r\n {'base':'Dz','letters':'\\u01F2\\u01C5'},\r\n {'base':'E', 'letters':'\\u0045\\u24BA\\uFF25\\u00C8\\u00C9\\u00CA\\u1EC0\\u1EBE\\u1EC4\\u1EC2\\u1EBC\\u0112\\u1E14\\u1E16\\u0114\\u0116\\u00CB\\u1EBA\\u011A\\u0204\\u0206\\u1EB8\\u1EC6\\u0228\\u1E1C\\u0118\\u1E18\\u1E1A\\u0190\\u018E'},\r\n {'base':'F', 'letters':'\\u0046\\u24BB\\uFF26\\u1E1E\\u0191\\uA77B'},\r\n {'base':'G', 'letters':'\\u0047\\u24BC\\uFF27\\u01F4\\u011C\\u1E20\\u011E\\u0120\\u01E6\\u0122\\u01E4\\u0193\\uA7A0\\uA77D\\uA77E'},\r\n {'base':'H', 'letters':'\\u0048\\u24BD\\uFF28\\u0124\\u1E22\\u1E26\\u021E\\u1E24\\u1E28\\u1E2A\\u0126\\u2C67\\u2C75\\uA78D'},\r\n {'base':'I', 'letters':'\\u0049\\u24BE\\uFF29\\u00CC\\u00CD\\u00CE\\u0128\\u012A\\u012C\\u0130\\u00CF\\u1E2E\\u1EC8\\u01CF\\u0208\\u020A\\u1ECA\\u012E\\u1E2C\\u0197'},\r\n {'base':'J', 'letters':'\\u004A\\u24BF\\uFF2A\\u0134\\u0248'},\r\n {'base':'K', 'letters':'\\u004B\\u24C0\\uFF2B\\u1E30\\u01E8\\u1E32\\u0136\\u1E34\\u0198\\u2C69\\uA740\\uA742\\uA744\\uA7A2'},\r\n {'base':'L', 'letters':'\\u004C\\u24C1\\uFF2C\\u013F\\u0139\\u013D\\u1E36\\u1E38\\u013B\\u1E3C\\u1E3A\\u0141\\u023D\\u2C62\\u2C60\\uA748\\uA746\\uA780'},\r\n {'base':'LJ','letters':'\\u01C7'},\r\n {'base':'Lj','letters':'\\u01C8'},\r\n {'base':'M', 'letters':'\\u004D\\u24C2\\uFF2D\\u1E3E\\u1E40\\u1E42\\u2C6E\\u019C'},\r\n {'base':'N', 'letters':'\\u004E\\u24C3\\uFF2E\\u01F8\\u0143\\u00D1\\u1E44\\u0147\\u1E46\\u0145\\u1E4A\\u1E48\\u0220\\u019D\\uA790\\uA7A4'},\r\n {'base':'NJ','letters':'\\u01CA'},\r\n {'base':'Nj','letters':'\\u01CB'},\r\n {'base':'O', 'letters':'\\u004F\\u24C4\\uFF2F\\u00D2\\u00D3\\u00D4\\u1ED2\\u1ED0\\u1ED6\\u1ED4\\u00D5\\u1E4C\\u022C\\u1E4E\\u014C\\u1E50\\u1E52\\u014E\\u022E\\u0230\\u00D6\\u022A\\u1ECE\\u0150\\u01D1\\u020C\\u020E\\u01A0\\u1EDC\\u1EDA\\u1EE0\\u1EDE\\u1EE2\\u1ECC\\u1ED8\\u01EA\\u01EC\\u00D8\\u01FE\\u0186\\u019F\\uA74A\\uA74C'},\r\n {'base':'OI','letters':'\\u01A2'},\r\n {'base':'OO','letters':'\\uA74E'},\r\n {'base':'OU','letters':'\\u0222'},\r\n {'base':'OE','letters':'\\u008C\\u0152'},\r\n {'base':'oe','letters':'\\u009C\\u0153'},\r\n {'base':'P', 'letters':'\\u0050\\u24C5\\uFF30\\u1E54\\u1E56\\u01A4\\u2C63\\uA750\\uA752\\uA754'},\r\n {'base':'Q', 'letters':'\\u0051\\u24C6\\uFF31\\uA756\\uA758\\u024A'},\r\n {'base':'R', 'letters':'\\u0052\\u24C7\\uFF32\\u0154\\u1E58\\u0158\\u0210\\u0212\\u1E5A\\u1E5C\\u0156\\u1E5E\\u024C\\u2C64\\uA75A\\uA7A6\\uA782'},\r\n {'base':'S', 'letters':'\\u0053\\u24C8\\uFF33\\u1E9E\\u015A\\u1E64\\u015C\\u1E60\\u0160\\u1E66\\u1E62\\u1E68\\u0218\\u015E\\u2C7E\\uA7A8\\uA784'},\r\n {'base':'T', 'letters':'\\u0054\\u24C9\\uFF34\\u1E6A\\u0164\\u1E6C\\u021A\\u0162\\u1E70\\u1E6E\\u0166\\u01AC\\u01AE\\u023E\\uA786'},\r\n {'base':'TZ','letters':'\\uA728'},\r\n {'base':'U', 'letters':'\\u0055\\u24CA\\uFF35\\u00D9\\u00DA\\u00DB\\u0168\\u1E78\\u016A\\u1E7A\\u016C\\u00DC\\u01DB\\u01D7\\u01D5\\u01D9\\u1EE6\\u016E\\u0170\\u01D3\\u0214\\u0216\\u01AF\\u1EEA\\u1EE8\\u1EEE\\u1EEC\\u1EF0\\u1EE4\\u1E72\\u0172\\u1E76\\u1E74\\u0244'},\r\n {'base':'V', 'letters':'\\u0056\\u24CB\\uFF36\\u1E7C\\u1E7E\\u01B2\\uA75E\\u0245'},\r\n {'base':'VY','letters':'\\uA760'},\r\n {'base':'W', 'letters':'\\u0057\\u24CC\\uFF37\\u1E80\\u1E82\\u0174\\u1E86\\u1E84\\u1E88\\u2C72'},\r\n {'base':'X', 'letters':'\\u0058\\u24CD\\uFF38\\u1E8A\\u1E8C'},\r\n {'base':'Y', 'letters':'\\u0059\\u24CE\\uFF39\\u1EF2\\u00DD\\u0176\\u1EF8\\u0232\\u1E8E\\u0178\\u1EF6\\u1EF4\\u01B3\\u024E\\u1EFE'},\r\n {'base':'Z', 'letters':'\\u005A\\u24CF\\uFF3A\\u0179\\u1E90\\u017B\\u017D\\u1E92\\u1E94\\u01B5\\u0224\\u2C7F\\u2C6B\\uA762'},\r\n {'base':'a', 'letters':'\\u0061\\u24D0\\uFF41\\u1E9A\\u00E0\\u00E1\\u00E2\\u1EA7\\u1EA5\\u1EAB\\u1EA9\\u00E3\\u0101\\u0103\\u1EB1\\u1EAF\\u1EB5\\u1EB3\\u0227\\u01E1\\u00E4\\u01DF\\u1EA3\\u00E5\\u01FB\\u01CE\\u0201\\u0203\\u1EA1\\u1EAD\\u1EB7\\u1E01\\u0105\\u2C65\\u0250'},\r\n {'base':'aa','letters':'\\uA733'},\r\n {'base':'ae','letters':'\\u00E6\\u01FD\\u01E3'},\r\n {'base':'ao','letters':'\\uA735'},\r\n {'base':'au','letters':'\\uA737'},\r\n {'base':'av','letters':'\\uA739\\uA73B'},\r\n {'base':'ay','letters':'\\uA73D'},\r\n {'base':'b', 'letters':'\\u0062\\u24D1\\uFF42\\u1E03\\u1E05\\u1E07\\u0180\\u0183\\u0253'},\r\n {'base':'c', 'letters':'\\u0063\\u24D2\\uFF43\\u0107\\u0109\\u010B\\u010D\\u00E7\\u1E09\\u0188\\u023C\\uA73F\\u2184'},\r\n {'base':'d', 'letters':'\\u0064\\u24D3\\uFF44\\u1E0B\\u010F\\u1E0D\\u1E11\\u1E13\\u1E0F\\u0111\\u018C\\u0256\\u0257\\uA77A'},\r\n {'base':'dz','letters':'\\u01F3\\u01C6'},\r\n {'base':'e', 'letters':'\\u0065\\u24D4\\uFF45\\u00E8\\u00E9\\u00EA\\u1EC1\\u1EBF\\u1EC5\\u1EC3\\u1EBD\\u0113\\u1E15\\u1E17\\u0115\\u0117\\u00EB\\u1EBB\\u011B\\u0205\\u0207\\u1EB9\\u1EC7\\u0229\\u1E1D\\u0119\\u1E19\\u1E1B\\u0247\\u025B\\u01DD'},\r\n {'base':'f', 'letters':'\\u0066\\u24D5\\uFF46\\u1E1F\\u0192\\uA77C'},\r\n {'base':'g', 'letters':'\\u0067\\u24D6\\uFF47\\u01F5\\u011D\\u1E21\\u011F\\u0121\\u01E7\\u0123\\u01E5\\u0260\\uA7A1\\u1D79\\uA77F'},\r\n {'base':'h', 'letters':'\\u0068\\u24D7\\uFF48\\u0125\\u1E23\\u1E27\\u021F\\u1E25\\u1E29\\u1E2B\\u1E96\\u0127\\u2C68\\u2C76\\u0265'},\r\n {'base':'hv','letters':'\\u0195'},\r\n {'base':'i', 'letters':'\\u0069\\u24D8\\uFF49\\u00EC\\u00ED\\u00EE\\u0129\\u012B\\u012D\\u00EF\\u1E2F\\u1EC9\\u01D0\\u0209\\u020B\\u1ECB\\u012F\\u1E2D\\u0268\\u0131'},\r\n {'base':'j', 'letters':'\\u006A\\u24D9\\uFF4A\\u0135\\u01F0\\u0249'},\r\n {'base':'k', 'letters':'\\u006B\\u24DA\\uFF4B\\u1E31\\u01E9\\u1E33\\u0137\\u1E35\\u0199\\u2C6A\\uA741\\uA743\\uA745\\uA7A3'},\r\n {'base':'l', 'letters':'\\u006C\\u24DB\\uFF4C\\u0140\\u013A\\u013E\\u1E37\\u1E39\\u013C\\u1E3D\\u1E3B\\u017F\\u0142\\u019A\\u026B\\u2C61\\uA749\\uA781\\uA747'},\r\n {'base':'lj','letters':'\\u01C9'},\r\n {'base':'m', 'letters':'\\u006D\\u24DC\\uFF4D\\u1E3F\\u1E41\\u1E43\\u0271\\u026F'},\r\n {'base':'n', 'letters':'\\u006E\\u24DD\\uFF4E\\u01F9\\u0144\\u00F1\\u1E45\\u0148\\u1E47\\u0146\\u1E4B\\u1E49\\u019E\\u0272\\u0149\\uA791\\uA7A5'},\r\n {'base':'nj','letters':'\\u01CC'},\r\n {'base':'o', 'letters':'\\u006F\\u24DE\\uFF4F\\u00F2\\u00F3\\u00F4\\u1ED3\\u1ED1\\u1ED7\\u1ED5\\u00F5\\u1E4D\\u022D\\u1E4F\\u014D\\u1E51\\u1E53\\u014F\\u022F\\u0231\\u00F6\\u022B\\u1ECF\\u0151\\u01D2\\u020D\\u020F\\u01A1\\u1EDD\\u1EDB\\u1EE1\\u1EDF\\u1EE3\\u1ECD\\u1ED9\\u01EB\\u01ED\\u00F8\\u01FF\\u0254\\uA74B\\uA74D\\u0275'},\r\n {'base':'oi','letters':'\\u01A3'},\r\n {'base':'ou','letters':'\\u0223'},\r\n {'base':'oo','letters':'\\uA74F'},\r\n {'base':'p','letters':'\\u0070\\u24DF\\uFF50\\u1E55\\u1E57\\u01A5\\u1D7D\\uA751\\uA753\\uA755'},\r\n {'base':'q','letters':'\\u0071\\u24E0\\uFF51\\u024B\\uA757\\uA759'},\r\n {'base':'r','letters':'\\u0072\\u24E1\\uFF52\\u0155\\u1E59\\u0159\\u0211\\u0213\\u1E5B\\u1E5D\\u0157\\u1E5F\\u024D\\u027D\\uA75B\\uA7A7\\uA783'},\r\n {'base':'s','letters':'\\u0073\\u24E2\\uFF53\\u00DF\\u015B\\u1E65\\u015D\\u1E61\\u0161\\u1E67\\u1E63\\u1E69\\u0219\\u015F\\u023F\\uA7A9\\uA785\\u1E9B'},\r\n {'base':'t','letters':'\\u0074\\u24E3\\uFF54\\u1E6B\\u1E97\\u0165\\u1E6D\\u021B\\u0163\\u1E71\\u1E6F\\u0167\\u01AD\\u0288\\u2C66\\uA787'},\r\n {'base':'tz','letters':'\\uA729'},\r\n {'base':'u','letters': '\\u0075\\u24E4\\uFF55\\u00F9\\u00FA\\u00FB\\u0169\\u1E79\\u016B\\u1E7B\\u016D\\u00FC\\u01DC\\u01D8\\u01D6\\u01DA\\u1EE7\\u016F\\u0171\\u01D4\\u0215\\u0217\\u01B0\\u1EEB\\u1EE9\\u1EEF\\u1EED\\u1EF1\\u1EE5\\u1E73\\u0173\\u1E77\\u1E75\\u0289'},\r\n {'base':'v','letters':'\\u0076\\u24E5\\uFF56\\u1E7D\\u1E7F\\u028B\\uA75F\\u028C'},\r\n {'base':'vy','letters':'\\uA761'},\r\n {'base':'w','letters':'\\u0077\\u24E6\\uFF57\\u1E81\\u1E83\\u0175\\u1E87\\u1E85\\u1E98\\u1E89\\u2C73'},\r\n {'base':'x','letters':'\\u0078\\u24E7\\uFF58\\u1E8B\\u1E8D'},\r\n {'base':'y','letters':'\\u0079\\u24E8\\uFF59\\u1EF3\\u00FD\\u0177\\u1EF9\\u0233\\u1E8F\\u00FF\\u1EF7\\u1E99\\u1EF5\\u01B4\\u024F\\u1EFF'},\r\n {'base':'z','letters':'\\u007A\\u24E9\\uFF5A\\u017A\\u1E91\\u017C\\u017E\\u1E93\\u1E95\\u01B6\\u0225\\u0240\\u2C6C\\uA763'}\r\n ];\r\n\r\n var diacriticsMap = {};\r\n for (var i = 0; i < defaultDiacriticsRemovalap.length; i++) {\r\n var letters = defaultDiacriticsRemovalap[i].letters.split(\"\");\r\n for (var j = 0; j < letters.length ; j++){\r\n diacriticsMap[letters[j]] = defaultDiacriticsRemovalap[i].base;\r\n }\r\n }\r\n\r\n // \"what?\" version ... http://jsperf.com/diacritics/12\r\n function removeDiacritics (str) {\r\n return str.replace(/[^\\u0000-\\u007E]/g, function(a){\r\n return diacriticsMap[a] || a;\r\n });\r\n }\r\n\r\n return function (input) {\r\n\r\n return isString(input)\r\n ? removeDiacritics(input)\r\n : input;\r\n }\r\n }]);\r\n\n/**\n * @ngdoc filter\n * @name ltrim\n * @kind function\n *\n * @description\n * Left trim. Similar to trimFilter, but only for left side.\n */\nangular.module('a8m.ltrim', [])\n .filter('ltrim', function () {\n return function(input, chars) {\n\n var trim = chars || '\\\\s';\n\n return isString(input)\n ? input.replace(new RegExp('^' + trim + '+'), '')\n : input;\n }\n });\n\n/**\r\n * @ngdoc filter\r\n * @name match\r\n * @kind function\r\n *\r\n * @description\r\n * Return the matched pattern in a string.\r\n */\r\nangular.module('a8m.match', [])\r\n .filter('match', function () {\r\n return function (input, pattern, flag) {\r\n\r\n var reg = new RegExp(pattern, flag);\r\n\r\n return isString(input)\r\n ? input.match(reg)\r\n : null;\r\n }\r\n });\r\n\n/**\n * @ngdoc filter\n * @name phone-us\n * @kind function\n *\n * @description\n * format a string or a number into a us-style\n * phone number in the form (***) ***-****\n */\nangular.module('a8m.phoneUS', [])\n .filter('phoneUS', function () {\n return function(num) {\n num += '';\n return '(' + num.slice(0, 3) + ') ' + num.slice(3, 6) + '-' + num.slice(6);\n }\n });\n\n/**\n * @ngdoc filter\n * @name repeat\n * @kind function\n *\n * @description\n * Repeats a string n times\n */\nangular.module('a8m.repeat', [])\n .filter('repeat',[ function () {\n return function (input, n, separator) {\n\n var times = ~~n;\n\n if(!isString(input)) {\n return input;\n }\n\n return !times\n ? input\n : strRepeat(input, --n, separator || '');\n }\n }]);\n\n/**\n * Repeats a string n times with given separator\n * @param str string to repeat\n * @param n number of times\n * @param sep separator\n * @returns {*}\n */\nfunction strRepeat(str, n, sep) {\n if(!n) {\n return str;\n }\n return str + sep + strRepeat(str, --n, sep);\n}\n/**\n* @ngdoc filter\n* @name rtrim\n* @kind function\n*\n* @description\n* Right trim. Similar to trimFilter, but only for right side.\n*/\nangular.module('a8m.rtrim', [])\n .filter('rtrim', function () {\n return function(input, chars) {\n\n var trim = chars || '\\\\s';\n\n return isString(input)\n ? input.replace(new RegExp(trim + '+$'), '')\n : input;\n }\n });\n\n/**\n * @ngdoc filter\n * @name slugify\n * @kind function\n *\n * @description\n * remove spaces from string, replace with \"-\" or given argument\n */\nangular.module('a8m.slugify', [])\n .filter('slugify',[ function () {\n return function (input, sub) {\n\n var replace = (isUndefined(sub)) ? '-' : sub;\n\n return isString(input)\n ? input.toLowerCase().replace(/\\s+/g, replace)\n : input;\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name split\n * @kind function\n *\n * @description\n * split a string by a provided delimiter (none '' by default) and skip first n-delimiters\n */\nangular.module('a8m.split', [])\n .filter('split', function () {\n function escapeRegExp(str) {\n return str.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, \"\\\\$&\");\n }\n\n return function (input, delimiter, skip) {\n var _regexp, _matches, _splitted, _temp;\n\n if (isUndefined(input) || !isString(input)) {\n return null;\n }\n if (isUndefined(delimiter)) delimiter = '';\n if (isNaN(skip)) skip = 0;\n\n _regexp = new RegExp(escapeRegExp(delimiter), 'g');\n _matches = input.match(_regexp);\n \n if (isNull(_matches) || skip >= _matches.length) {\n return [input];\n }\n\n if (skip === 0) return input.split(delimiter);\n \n _splitted = input.split(delimiter);\n _temp = _splitted.splice(0, skip + 1);\n _splitted.unshift(_temp.join(delimiter));\n \n return _splitted;\n };\n })\n;\n\n/**\n * @ngdoc filter\n * @name startWith\n * @kind function\n *\n * @description\n * checks whether string starts with the starts parameter.\n */\nangular.module('a8m.starts-with', [])\n .filter('startsWith', function () {\n return function (input, start, csensitive) {\n\n var sensitive = csensitive || false;\n\n if(!isString(input) || isUndefined(start)) {\n return input;\n }\n\n input = (sensitive) ? input : input.toLowerCase();\n\n return !input.indexOf((sensitive) ? start : start.toLowerCase());\n }\n });\n\n/**\n * @ngdoc filter\n * @name stringular\n * @kind function\n *\n * @description\n * get string with {n} and replace match with enumeration values\n */\nangular.module('a8m.stringular', [])\n .filter('stringular', function () {\n return function(input) {\n\n var args = Array.prototype.slice.call(arguments, 1);\n\n return input.replace(/{(\\d+)}/g, function (match, number) {\n return isUndefined(args[number]) ? match : args[number];\n });\n }\n });\n\n/**\n * @ngdoc filter\n * @name stripTags\n * @kind function\n *\n * @description\n * strip html tags from string\n */\nangular.module('a8m.strip-tags', [])\n .filter('stripTags', function () {\n return function(input) {\n return isString(input)\n ? input.replace(/<\\S[^><]*>/g, '')\n : input;\n }\n });\n\n/**\r\n * @ngdoc filter\r\n * @name test\r\n * @kind function\r\n *\r\n * @description\r\n * test if a string match a pattern.\r\n */\r\nangular.module('a8m.test', [])\r\n .filter('test', function () {\r\n return function (input, pattern, flag) {\r\n\r\n var reg = new RegExp(pattern, flag);\r\n\r\n return isString(input)\r\n ? reg.test(input)\r\n : input;\r\n }\r\n });\r\n\n/**\n * @ngdoc filter\n * @name trim\n * @kind function\n *\n * @description\n * Strip whitespace (or other characters) from the beginning and end of a string\n */\nangular.module('a8m.trim', [])\n .filter('trim', function () {\n return function(input, chars) {\n\n var trim = chars || '\\\\s';\n\n return isString(input)\n ? input.replace(new RegExp('^' + trim + '+|' + trim + '+$', 'g'), '')\n : input;\n }\n });\n\n/**\n * @ngdoc filter\n * @name truncate\n * @kind function\n *\n * @description\n * truncates a string given a specified length, providing a custom string to denote an omission.\n */\nangular.module('a8m.truncate', [])\n .filter('truncate', function () {\n return function(input, length, suffix, preserve) {\n\n length = isUndefined(length) ? input.length : length;\n preserve = preserve || false;\n suffix = suffix || '';\n\n if(!isString(input) || (input.length <= length)) return input;\n\n return input.substring(0, (preserve)\n ? ((input.indexOf(' ', length) === -1) ? input.length : input.indexOf(' ', length))\n : length) + suffix;\n };\n });\n\n/**\n * @ngdoc filter\n * @name ucfirst\n * @kind function\n *\n * @description\n * ucfirst\n */\nangular.module('a8m.ucfirst', [])\n .filter({\n ucfirst: ucfirstFilter,\n titleize: ucfirstFilter\n });\n\nfunction ucfirstFilter() {\n return function (input) {\n return isString(input)\n ? input\n .split(' ')\n .map(function (ch) {\n return ch.charAt(0).toUpperCase() + ch.substring(1);\n })\n .join(' ')\n : input;\n }\n}\n\n/**\n * @ngdoc filter\n * @name uriComponentEncode\n * @kind function\n *\n * @description\n * get string as parameter and return encoded string\n */\nangular.module('a8m.uri-component-encode', [])\n .filter('uriComponentEncode',['$window', function ($window) {\n return function (input) {\n return isString(input)\n ? $window.encodeURIComponent(input)\n : input;\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name uriEncode\n * @kind function\n *\n * @description\n * get string as parameter and return encoded string\n */\nangular.module('a8m.uri-encode', [])\n .filter('uriEncode',['$window', function ($window) {\n return function (input) {\n return isString(input)\n ? $window.encodeURI(input)\n : input;\n }\n }]);\n\n/**\n * @ngdoc filter\n * @name wrap\n * @kind function\n *\n * @description\n * Wrap a string with another string\n */\nangular.module('a8m.wrap', [])\n .filter('wrap', function () {\n return function(input, wrap, ends) {\n return isString(input) && isDefined(wrap)\n ? [wrap, input, ends || wrap].join('')\n : input;\n }\n });\n\n/**\n * @ngdoc provider\n * @name filterWatcher\n * @kind function\n *\n * @description\n * store specific filters result in $$cache, based on scope life time(avoid memory leak).\n * on scope.$destroy remove it's cache from $$cache container\n */\n\nangular.module('a8m.filter-watcher', [])\n .provider('filterWatcher', function() {\n\n this.$get = ['$window', '$rootScope', function($window, $rootScope) {\n\n /**\n * Cache storing\n * @type {Object}\n */\n var $$cache = {};\n\n /**\n * Scope listeners container\n * scope.$destroy => remove all cache keys\n * bind to current scope.\n * @type {Object}\n */\n var $$listeners = {};\n\n /**\n * $timeout without triggering the digest cycle\n * @type {function}\n */\n var $$timeout = $window.setTimeout;\n\n /**\n * @description\n * get `HashKey` string based on the given arguments.\n * @param fName\n * @param args\n * @returns {string}\n */\n function getHashKey(fName, args) {\n function replacerFactory() {\n var cache = [];\n return function(key, val) {\n if(isObject(val) && !isNull(val)) {\n if (~cache.indexOf(val)) return '[Circular]';\n cache.push(val)\n }\n if($window == val) return '$WINDOW';\n if($window.document == val) return '$DOCUMENT';\n if(isScope(val)) return '$SCOPE';\n return val;\n }\n }\n return [fName, JSON.stringify(args, replacerFactory())]\n .join('#')\n .replace(/\"/g,'');\n }\n\n /**\n * @description\n * fir on $scope.$destroy,\n * remove cache based scope from `$$cache`,\n * and remove itself from `$$listeners`\n * @param event\n */\n function removeCache(event) {\n var id = event.targetScope.$id;\n forEach($$listeners[id], function(key) {\n delete $$cache[key];\n });\n delete $$listeners[id];\n }\n\n /**\n * @description\n * for angular version that greater than v.1.3.0\n * it clear cache when the digest cycle is end.\n */\n function cleanStateless() {\n $$timeout(function() {\n if(!$rootScope.$$phase)\n $$cache = {};\n }, 2000);\n }\n\n /**\n * @description\n * Store hashKeys in $$listeners container\n * on scope.$destroy, remove them all(bind an event).\n * @param scope\n * @param hashKey\n * @returns {*}\n */\n function addListener(scope, hashKey) {\n var id = scope.$id;\n if(isUndefined($$listeners[id])) {\n scope.$on('$destroy', removeCache);\n $$listeners[id] = [];\n }\n return $$listeners[id].push(hashKey);\n }\n\n /**\n * @description\n * return the `cacheKey` or undefined.\n * @param filterName\n * @param args\n * @returns {*}\n */\n function $$isMemoized(filterName, args) {\n var hashKey = getHashKey(filterName, args);\n return $$cache[hashKey];\n }\n\n /**\n * @description\n * store `result` in `$$cache` container, based on the hashKey.\n * add $destroy listener and return result\n * @param filterName\n * @param args\n * @param scope\n * @param result\n * @returns {*}\n */\n function $$memoize(filterName, args, scope, result) {\n var hashKey = getHashKey(filterName, args);\n //store result in `$$cache` container\n $$cache[hashKey] = result;\n // for angular versions that less than 1.3\n // add to `$destroy` listener, a cleaner callback\n if(isScope(scope)) {\n addListener(scope, hashKey);\n } else {\n cleanStateless();\n }\n return result;\n }\n\n return {\n isMemoized: $$isMemoized,\n memoize: $$memoize\n }\n }];\n });\n \n\n/**\n * @ngdoc module\n * @name angular.filters\n * @description\n * Bunch of useful filters for angularJS\n */\n\nangular.module('angular.filter', [\n\n 'a8m.ucfirst',\n 'a8m.uri-encode',\n 'a8m.uri-component-encode',\n 'a8m.slugify',\n 'a8m.latinize',\n 'a8m.strip-tags',\n 'a8m.stringular',\n 'a8m.truncate',\n 'a8m.starts-with',\n 'a8m.ends-with',\n 'a8m.wrap',\n 'a8m.trim',\n 'a8m.ltrim',\n 'a8m.rtrim',\n 'a8m.repeat',\n 'a8m.test',\n 'a8m.match',\n 'a8m.split',\n 'a8m.phoneUS',\n\n 'a8m.to-array',\n 'a8m.concat',\n 'a8m.contains',\n 'a8m.unique',\n 'a8m.is-empty',\n 'a8m.after',\n 'a8m.after-where',\n 'a8m.before',\n 'a8m.before-where',\n 'a8m.defaults',\n 'a8m.where',\n 'a8m.reverse',\n 'a8m.remove',\n 'a8m.remove-with',\n 'a8m.group-by',\n 'a8m.count-by',\n 'a8m.chunk-by',\n 'a8m.search-field',\n 'a8m.fuzzy-by',\n 'a8m.fuzzy',\n 'a8m.omit',\n 'a8m.pick',\n 'a8m.every',\n 'a8m.filter-by',\n 'a8m.xor',\n 'a8m.map',\n 'a8m.first',\n 'a8m.last',\n 'a8m.flatten',\n 'a8m.join',\n 'a8m.range',\n\n 'a8m.math.max',\n 'a8m.math.min',\n 'a8m.math.abs',\n 'a8m.math.percent',\n 'a8m.math.radix',\n 'a8m.math.sum',\n 'a8m.math.degrees',\n 'a8m.math.radians',\n 'a8m.math.byteFmt',\n 'a8m.math.kbFmt',\n 'a8m.math.shortFmt',\n\n 'a8m.angular',\n 'a8m.conditions',\n 'a8m.is-null',\n\n 'a8m.filter-watcher'\n]);\n})( window, window.angular );\n!function(e,t,n){\"use strict\";!function o(e,t,n){function a(s,l){if(!t[s]){if(!e[s]){var i=\"function\"==typeof require&&require;if(!l&&i)return i(s,!0);if(r)return r(s,!0);var u=new Error(\"Cannot find module '\"+s+\"'\");throw u.code=\"MODULE_NOT_FOUND\",u}var 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\"),e.text&&s.show(i),e.customClass)s.addClass(t,e.customClass),t.setAttribute(\"data-custom-class\",e.customClass);else{var d=t.getAttribute(\"data-custom-class\");s.removeClass(t,d),t.setAttribute(\"data-custom-class\",\"\")}if(s.hide(t.querySelectorAll(\".sa-icon\")),e.type&&!a.isIE8()){var f=function(){for(var o=!1,a=0;ao;o++)n=parseInt(e.substr(2*o,2),16),n=Math.round(Math.min(Math.max(0,n+n*t),255)).toString(16),a+=(\"00\"+n).substr(n.length);return a};o.extend=a,o.hexToRgb=r,o.isIE8=s,o.logStr=l,o.colorLuminance=i},{}]},{},[1]),\"function\"==typeof define&&define.amd?define(function(){return sweetAlert}):\"undefined\"!=typeof module&&module.exports&&(module.exports=sweetAlert)}(window,document);\n/* ng-infinite-scroll - v1.3.0 - 2016-11-04 */\n(function (global, factory) {\n if (typeof define === \"function\" && define.amd) {\n define(['module', 'exports', 'angular'], factory);\n } else if (typeof exports !== \"undefined\") {\n factory(module, exports, require('angular'));\n } else {\n var mod = {\n exports: {}\n };\n factory(mod, mod.exports, global.angular);\n global.infiniteScroll = mod.exports;\n }\n})(this, function (module, exports, _angular) {\n 'use strict';\n\n Object.defineProperty(exports, \"__esModule\", {\n value: true\n });\n\n var _angular2 = _interopRequireDefault(_angular);\n\n function _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n default: obj\n };\n }\n\n var MODULE_NAME = 'infinite-scroll';\n\n _angular2['default'].module(MODULE_NAME, []).value('THROTTLE_MILLISECONDS', null).directive('infiniteScroll', ['$rootScope', '$window', '$interval', 'THROTTLE_MILLISECONDS', function ($rootScope, $window, $interval, THROTTLE_MILLISECONDS) {\n return {\n scope: {\n infiniteScroll: '&',\n infiniteScrollContainer: '=',\n infiniteScrollDistance: '=',\n infiniteScrollDisabled: '=',\n infiniteScrollUseDocumentBottom: '=',\n infiniteScrollListenForEvent: '@'\n },\n\n link: function link(scope, elem, attrs) {\n var windowElement = _angular2['default'].element($window);\n\n var scrollDistance = null;\n var scrollEnabled = null;\n var checkWhenEnabled = null;\n var container = null;\n var immediateCheck = true;\n var useDocumentBottom = false;\n var unregisterEventListener = null;\n var checkInterval = false;\n\n function height(element) {\n var el = element[0] || element;\n\n if (isNaN(el.offsetHeight)) {\n return el.document.documentElement.clientHeight;\n }\n return el.offsetHeight;\n }\n\n function pageYOffset(element) {\n var el = element[0] || element;\n\n if (isNaN(window.pageYOffset)) {\n return el.document.documentElement.scrollTop;\n }\n return el.ownerDocument.defaultView.pageYOffset;\n }\n\n function offsetTop(element) {\n if (!(!element[0].getBoundingClientRect || element.css('none'))) {\n return element[0].getBoundingClientRect().top + pageYOffset(element);\n }\n return undefined;\n }\n\n // infinite-scroll specifies a function to call when the window,\n // or some other container specified by infinite-scroll-container,\n // is scrolled within a certain range from the bottom of the\n // document. It is recommended to use infinite-scroll-disabled\n // with a boolean that is set to true when the function is\n // called in order to throttle the function call.\n function defaultHandler() {\n var containerBottom = void 0;\n var elementBottom = void 0;\n if (container === windowElement) {\n containerBottom = height(container) + pageYOffset(container[0].document.documentElement);\n elementBottom = offsetTop(elem) + height(elem);\n } else {\n containerBottom = height(container);\n var containerTopOffset = 0;\n if (offsetTop(container) !== undefined) {\n containerTopOffset = offsetTop(container);\n }\n elementBottom = offsetTop(elem) - containerTopOffset + height(elem);\n }\n\n if (useDocumentBottom) {\n elementBottom = height((elem[0].ownerDocument || elem[0].document).documentElement);\n }\n\n var remaining = elementBottom - containerBottom;\n var shouldScroll = remaining <= height(container) * scrollDistance + 1;\n\n if (shouldScroll) {\n checkWhenEnabled = true;\n\n if (scrollEnabled) {\n if (scope.$$phase || $rootScope.$$phase) {\n scope.infiniteScroll();\n } else {\n scope.$apply(scope.infiniteScroll);\n }\n }\n } else {\n if (checkInterval) {\n $interval.cancel(checkInterval);\n }\n checkWhenEnabled = false;\n }\n }\n\n // The optional THROTTLE_MILLISECONDS configuration value specifies\n // a minimum time that should elapse between each call to the\n // handler. N.b. the first call the handler will be run\n // immediately, and the final call will always result in the\n // handler being called after the `wait` period elapses.\n // A slimmed down version of underscore's implementation.\n function throttle(func, wait) {\n var timeout = null;\n var previous = 0;\n\n function later() {\n previous = new Date().getTime();\n $interval.cancel(timeout);\n timeout = null;\n return func.call();\n }\n\n function throttled() {\n var now = new Date().getTime();\n var remaining = wait - (now - previous);\n if (remaining <= 0) {\n $interval.cancel(timeout);\n timeout = null;\n previous = now;\n func.call();\n } else if (!timeout) {\n timeout = $interval(later, remaining, 1);\n }\n }\n\n return throttled;\n }\n\n var handler = THROTTLE_MILLISECONDS != null ? throttle(defaultHandler, THROTTLE_MILLISECONDS) : defaultHandler;\n\n function handleDestroy() {\n container.unbind('scroll', handler);\n if (unregisterEventListener != null) {\n unregisterEventListener();\n unregisterEventListener = null;\n }\n if (checkInterval) {\n $interval.cancel(checkInterval);\n }\n }\n\n scope.$on('$destroy', handleDestroy);\n\n // infinite-scroll-distance specifies how close to the bottom of the page\n // the window is allowed to be before we trigger a new scroll. The value\n // provided is multiplied by the container height; for example, to load\n // more when the bottom of the page is less than 3 container heights away,\n // specify a value of 3. Defaults to 0.\n function handleInfiniteScrollDistance(v) {\n scrollDistance = parseFloat(v) || 0;\n }\n\n scope.$watch('infiniteScrollDistance', handleInfiniteScrollDistance);\n // If I don't explicitly call the handler here, tests fail. Don't know why yet.\n handleInfiniteScrollDistance(scope.infiniteScrollDistance);\n\n // infinite-scroll-disabled specifies a boolean that will keep the\n // infnite scroll function from being called; this is useful for\n // debouncing or throttling the function call. If an infinite\n // scroll is triggered but this value evaluates to true, then\n // once it switches back to false the infinite scroll function\n // will be triggered again.\n function handleInfiniteScrollDisabled(v) {\n scrollEnabled = !v;\n if (scrollEnabled && checkWhenEnabled) {\n checkWhenEnabled = false;\n handler();\n }\n }\n\n scope.$watch('infiniteScrollDisabled', handleInfiniteScrollDisabled);\n // If I don't explicitly call the handler here, tests fail. Don't know why yet.\n handleInfiniteScrollDisabled(scope.infiniteScrollDisabled);\n\n // use the bottom of the document instead of the element's bottom.\n // This useful when the element does not have a height due to its\n // children being absolute positioned.\n function handleInfiniteScrollUseDocumentBottom(v) {\n useDocumentBottom = v;\n }\n\n scope.$watch('infiniteScrollUseDocumentBottom', handleInfiniteScrollUseDocumentBottom);\n handleInfiniteScrollUseDocumentBottom(scope.infiniteScrollUseDocumentBottom);\n\n // infinite-scroll-container sets the container which we want to be\n // infinte scrolled, instead of the whole window. Must be an\n // Angular or jQuery element, or, if jQuery is loaded,\n // a jQuery selector as a string.\n function changeContainer(newContainer) {\n if (container != null) {\n container.unbind('scroll', handler);\n }\n\n container = newContainer;\n if (newContainer != null) {\n container.bind('scroll', handler);\n }\n }\n\n changeContainer(windowElement);\n\n if (scope.infiniteScrollListenForEvent) {\n unregisterEventListener = $rootScope.$on(scope.infiniteScrollListenForEvent, handler);\n }\n\n function handleInfiniteScrollContainer(newContainer) {\n // TODO: For some reason newContainer is sometimes null instead\n // of the empty array, which Angular is supposed to pass when the\n // element is not defined\n // (https://github.com/sroze/ngInfiniteScroll/pull/7#commitcomment-5748431).\n // So I leave both checks.\n if (!(newContainer != null) || newContainer.length === 0) {\n return;\n }\n\n var newerContainer = void 0;\n\n if (newContainer.nodeType && newContainer.nodeType === 1) {\n newerContainer = _angular2['default'].element(newContainer);\n } else if (typeof newContainer.append === 'function') {\n newerContainer = _angular2['default'].element(newContainer[newContainer.length - 1]);\n } else if (typeof newContainer === 'string') {\n newerContainer = _angular2['default'].element(document.querySelector(newContainer));\n } else {\n newerContainer = newContainer;\n }\n\n if (newerContainer == null) {\n throw new Error('invalid infinite-scroll-container attribute.');\n }\n changeContainer(newerContainer);\n }\n\n scope.$watch('infiniteScrollContainer', handleInfiniteScrollContainer);\n handleInfiniteScrollContainer(scope.infiniteScrollContainer || []);\n\n // infinite-scroll-parent establishes this element's parent as the\n // container infinitely scrolled instead of the whole window.\n if (attrs.infiniteScrollParent != null) {\n changeContainer(_angular2['default'].element(elem.parent()));\n }\n\n // infinte-scoll-immediate-check sets whether or not run the\n // expression passed on infinite-scroll for the first time when the\n // directive first loads, before any actual scroll.\n if (attrs.infiniteScrollImmediateCheck != null) {\n immediateCheck = scope.$eval(attrs.infiniteScrollImmediateCheck);\n }\n\n function intervalCheck() {\n if (immediateCheck) {\n handler();\n }\n return $interval.cancel(checkInterval);\n }\n\n checkInterval = $interval(intervalCheck);\n return checkInterval;\n }\n };\n }]);\n\n exports['default'] = MODULE_NAME;\n module.exports = exports['default'];\n});\n\n/**\n * @license\n * Lodash \n * Copyright JS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.11';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading and trailing whitespace. */\n var reTrim = /^\\s+|\\s+$/g,\n reTrimStart = /^\\s+/,\n reTrimEnd = /\\s+$/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n\n return result;\n }\n\n if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n\n return result;\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n if (isObject(srcValue)) {\n stack || (stack = new Stack);\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n var index = -1;\n iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n value = iteratee(value);\n\n var low = 0,\n high = array == null ? 0 : array.length,\n valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(array);\n if (stacked && stack.get(other)) {\n return stacked == other;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked && stack.get(other)) {\n return stacked == other;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '' + func(text) + '
';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles
'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '