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- /*!
- * Lightbox for Bootstrap by @ashleydw
- * https://github.com/ashleydw/lightbox
- *
- * License: https://github.com/ashleydw/lightbox/blob/master/LICENSE
- */
- +function ($) {
- 'use strict';
- var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
- var Lightbox = (function ($) {
- var NAME = 'ekkoLightbox';
- var JQUERY_NO_CONFLICT = $.fn[NAME];
- var Default = {
- title: '',
- footer: '',
- maxWidth: 9999,
- maxHeight: 9999,
- showArrows: true, //display the left / right arrows or not
- wrapping: true, //if true, gallery loops infinitely
- type: null, //force the lightbox into image / youtube mode. if null, or not image|youtube|vimeo; detect it
- alwaysShowClose: false, //always show the close button, even if there is no title
- loadingMessage: '<div class="ekko-lightbox-loader"><div><div></div><div></div></div></div>', // http://tobiasahlin.com/spinkit/
- leftArrow: '<span>❮</span>',
- rightArrow: '<span>❯</span>',
- strings: {
- close: 'Close',
- fail: 'Failed to load image:',
- type: 'Could not detect remote target type. Force the type using data-type'
- },
- doc: document, // if in an iframe can specify top.document
- onShow: function onShow() {},
- onShown: function onShown() {},
- onHide: function onHide() {},
- onHidden: function onHidden() {},
- onNavigate: function onNavigate() {},
- onContentLoaded: function onContentLoaded() {}
- };
- var Lightbox = (function () {
- _createClass(Lightbox, null, [{
- key: 'Default',
- /**
- Class properties:
- _$element: null -> the <a> element currently being displayed
- _$modal: The bootstrap modal generated
- _$modalDialog: The .modal-dialog
- _$modalContent: The .modal-content
- _$modalBody: The .modal-body
- _$modalHeader: The .modal-header
- _$modalFooter: The .modal-footer
- _$lightboxContainerOne: Container of the first lightbox element
- _$lightboxContainerTwo: Container of the second lightbox element
- _$lightboxBody: First element in the container
- _$modalArrows: The overlayed arrows container
- _$galleryItems: Other <a>'s available for this gallery
- _galleryName: Name of the current data('gallery') showing
- _galleryIndex: The current index of the _$galleryItems being shown
- _config: {} the options for the modal
- _modalId: unique id for the current lightbox
- _padding / _border: CSS properties for the modal container; these are used to calculate the available space for the content
- */
- get: function get() {
- return Default;
- }
- }]);
- function Lightbox($element, config) {
- var _this = this;
- _classCallCheck(this, Lightbox);
- this._config = $.extend({}, Default, config);
- this._$modalArrows = null;
- this._galleryIndex = 0;
- this._galleryName = null;
- this._padding = null;
- this._border = null;
- this._titleIsShown = false;
- this._footerIsShown = false;
- this._wantedWidth = 0;
- this._wantedHeight = 0;
- this._touchstartX = 0;
- this._touchendX = 0;
- this._modalId = 'ekkoLightbox-' + Math.floor(Math.random() * 1000 + 1);
- this._$element = $element instanceof jQuery ? $element : $($element);
- this._isBootstrap3 = $.fn.modal.Constructor.VERSION[0] == 3;
- var h4 = '<h4 class="modal-title">' + (this._config.title || " ") + '</h4>';
- var btn = '<button type="button" class="close" data-dismiss="modal" aria-label="' + this._config.strings.close + '"><span aria-hidden="true">×</span></button>';
- var header = '<div class="modal-header' + (this._config.title || this._config.alwaysShowClose ? '' : ' hide') + '">' + (this._isBootstrap3 ? btn + h4 : h4 + btn) + '</div>';
- var footer = '<div class="modal-footer' + (this._config.footer ? '' : ' hide') + '">' + (this._config.footer || " ") + '</div>';
- var body = '<div class="modal-body"><div class="ekko-lightbox-container"><div class="ekko-lightbox-item fade in show"></div><div class="ekko-lightbox-item fade"></div></div></div>';
- var dialog = '<div class="modal-dialog" role="document"><div class="modal-content">' + header + body + footer + '</div></div>';
- $(this._config.doc.body).append('<div id="' + this._modalId + '" class="ekko-lightbox modal fade" tabindex="-1" tabindex="-1" role="dialog" aria-hidden="true">' + dialog + '</div>');
- this._$modal = $('#' + this._modalId, this._config.doc);
- this._$modalDialog = this._$modal.find('.modal-dialog').first();
- this._$modalContent = this._$modal.find('.modal-content').first();
- this._$modalBody = this._$modal.find('.modal-body').first();
- this._$modalHeader = this._$modal.find('.modal-header').first();
- this._$modalFooter = this._$modal.find('.modal-footer').first();
- this._$lightboxContainer = this._$modalBody.find('.ekko-lightbox-container').first();
- this._$lightboxBodyOne = this._$lightboxContainer.find('> div:first-child').first();
- this._$lightboxBodyTwo = this._$lightboxContainer.find('> div:last-child').first();
- this._border = this._calculateBorders();
- this._padding = this._calculatePadding();
- this._galleryName = this._$element.data('gallery');
- if (this._galleryName) {
- this._$galleryItems = $(document.body).find('*[data-gallery="' + this._galleryName + '"]');
- this._galleryIndex = this._$galleryItems.index(this._$element);
- $(document).on('keydown.ekkoLightbox', this._navigationalBinder.bind(this));
- // add the directional arrows to the modal
- if (this._config.showArrows && this._$galleryItems.length > 1) {
- this._$lightboxContainer.append('<div class="ekko-lightbox-nav-overlay"><a href="#">' + this._config.leftArrow + '</a><a href="#">' + this._config.rightArrow + '</a></div>');
- this._$modalArrows = this._$lightboxContainer.find('div.ekko-lightbox-nav-overlay').first();
- this._$lightboxContainer.on('click', 'a:first-child', function (event) {
- event.preventDefault();
- return _this.navigateLeft();
- });
- this._$lightboxContainer.on('click', 'a:last-child', function (event) {
- event.preventDefault();
- return _this.navigateRight();
- });
- this.updateNavigation();
- }
- }
- this._$modal.on('show.bs.modal', this._config.onShow.bind(this)).on('shown.bs.modal', function () {
- _this._toggleLoading(true);
- _this._handle();
- return _this._config.onShown.call(_this);
- }).on('hide.bs.modal', this._config.onHide.bind(this)).on('hidden.bs.modal', function () {
- if (_this._galleryName) {
- $(document).off('keydown.ekkoLightbox');
- $(window).off('resize.ekkoLightbox');
- }
- _this._$modal.remove();
- return _this._config.onHidden.call(_this);
- }).modal(this._config);
- $(window).on('resize.ekkoLightbox', function () {
- _this._resize(_this._wantedWidth, _this._wantedHeight);
- });
- this._$lightboxContainer.on('touchstart', function () {
- _this._touchstartX = event.changedTouches[0].screenX;
- }).on('touchend', function () {
- _this._touchendX = event.changedTouches[0].screenX;
- _this._swipeGesure();
- });
- }
- _createClass(Lightbox, [{
- key: 'element',
- value: function element() {
- return this._$element;
- }
- }, {
- key: 'modal',
- value: function modal() {
- return this._$modal;
- }
- }, {
- key: 'navigateTo',
- value: function navigateTo(index) {
- if (index < 0 || index > this._$galleryItems.length - 1) return this;
- this._galleryIndex = index;
- this.updateNavigation();
- this._$element = $(this._$galleryItems.get(this._galleryIndex));
- this._handle();
- }
- }, {
- key: 'navigateLeft',
- value: function navigateLeft() {
- if (!this._$galleryItems) return;
- if (this._$galleryItems.length === 1) return;
- if (this._galleryIndex === 0) {
- if (this._config.wrapping) this._galleryIndex = this._$galleryItems.length - 1;else return;
- } else //circular
- this._galleryIndex--;
- this._config.onNavigate.call(this, 'left', this._galleryIndex);
- return this.navigateTo(this._galleryIndex);
- }
- }, {
- key: 'navigateRight',
- value: function navigateRight() {
- if (!this._$galleryItems) return;
- if (this._$galleryItems.length === 1) return;
- if (this._galleryIndex === this._$galleryItems.length - 1) {
- if (this._config.wrapping) this._galleryIndex = 0;else return;
- } else //circular
- this._galleryIndex++;
- this._config.onNavigate.call(this, 'right', this._galleryIndex);
- return this.navigateTo(this._galleryIndex);
- }
- }, {
- key: 'updateNavigation',
- value: function updateNavigation() {
- if (!this._config.wrapping) {
- var $nav = this._$lightboxContainer.find('div.ekko-lightbox-nav-overlay');
- if (this._galleryIndex === 0) $nav.find('a:first-child').addClass('disabled');else $nav.find('a:first-child').removeClass('disabled');
- if (this._galleryIndex === this._$galleryItems.length - 1) $nav.find('a:last-child').addClass('disabled');else $nav.find('a:last-child').removeClass('disabled');
- }
- }
- }, {
- key: 'close',
- value: function close() {
- return this._$modal.modal('hide');
- }
- // helper private methods
- }, {
- key: '_navigationalBinder',
- value: function _navigationalBinder(event) {
- event = event || window.event;
- if (event.keyCode === 39) return this.navigateRight();
- if (event.keyCode === 37) return this.navigateLeft();
- }
- // type detection private methods
- }, {
- key: '_detectRemoteType',
- value: function _detectRemoteType(src, type) {
- type = type || false;
- if (!type && this._isImage(src)) type = 'image';
- if (!type && this._getYoutubeId(src)) type = 'youtube';
- if (!type && this._getVimeoId(src)) type = 'vimeo';
- if (!type && this._getInstagramId(src)) type = 'instagram';
- if (!type || ['image', 'youtube', 'vimeo', 'instagram', 'video', 'url'].indexOf(type) < 0) type = 'url';
- return type;
- }
- }, {
- key: '_isImage',
- value: function _isImage(string) {
- return string && string.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
- }
- }, {
- key: '_containerToUse',
- value: function _containerToUse() {
- var _this2 = this;
- // if currently showing an image, fade it out and remove
- var $toUse = this._$lightboxBodyTwo;
- var $current = this._$lightboxBodyOne;
- if (this._$lightboxBodyTwo.hasClass('in')) {
- $toUse = this._$lightboxBodyOne;
- $current = this._$lightboxBodyTwo;
- }
- $current.removeClass('in show');
- setTimeout(function () {
- if (!_this2._$lightboxBodyTwo.hasClass('in')) _this2._$lightboxBodyTwo.empty();
- if (!_this2._$lightboxBodyOne.hasClass('in')) _this2._$lightboxBodyOne.empty();
- }, 500);
- $toUse.addClass('in show');
- return $toUse;
- }
- }, {
- key: '_handle',
- value: function _handle() {
- var $toUse = this._containerToUse();
- this._updateTitleAndFooter();
- var currentRemote = this._$element.attr('data-remote') || this._$element.attr('href');
- var currentType = this._detectRemoteType(currentRemote, this._$element.attr('data-type') || false);
- if (['image', 'youtube', 'vimeo', 'instagram', 'video', 'url'].indexOf(currentType) < 0) return this._error(this._config.strings.type);
- switch (currentType) {
- case 'image':
- this._preloadImage(currentRemote, $toUse);
- this._preloadImageByIndex(this._galleryIndex, 3);
- break;
- case 'youtube':
- this._showYoutubeVideo(currentRemote, $toUse);
- break;
- case 'vimeo':
- this._showVimeoVideo(this._getVimeoId(currentRemote), $toUse);
- break;
- case 'instagram':
- this._showInstagramVideo(this._getInstagramId(currentRemote), $toUse);
- break;
- case 'video':
- this._showHtml5Video(currentRemote, $toUse);
- break;
- default:
- // url
- this._loadRemoteContent(currentRemote, $toUse);
- break;
- }
- return this;
- }
- }, {
- key: '_getYoutubeId',
- value: function _getYoutubeId(string) {
- if (!string) return false;
- var matches = string.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
- return matches && matches[2].length === 11 ? matches[2] : false;
- }
- }, {
- key: '_getVimeoId',
- value: function _getVimeoId(string) {
- return string && string.indexOf('vimeo') > 0 ? string : false;
- }
- }, {
- key: '_getInstagramId',
- value: function _getInstagramId(string) {
- return string && string.indexOf('instagram') > 0 ? string : false;
- }
- // layout private methods
- }, {
- key: '_toggleLoading',
- value: function _toggleLoading(show) {
- show = show || false;
- if (show) {
- this._$modalDialog.css('display', 'none');
- this._$modal.removeClass('in show');
- $('.modal-backdrop').append(this._config.loadingMessage);
- } else {
- this._$modalDialog.css('display', 'block');
- this._$modal.addClass('in show');
- $('.modal-backdrop').find('.ekko-lightbox-loader').remove();
- }
- return this;
- }
- }, {
- key: '_calculateBorders',
- value: function _calculateBorders() {
- return {
- top: this._totalCssByAttribute('border-top-width'),
- right: this._totalCssByAttribute('border-right-width'),
- bottom: this._totalCssByAttribute('border-bottom-width'),
- left: this._totalCssByAttribute('border-left-width')
- };
- }
- }, {
- key: '_calculatePadding',
- value: function _calculatePadding() {
- return {
- top: this._totalCssByAttribute('padding-top'),
- right: this._totalCssByAttribute('padding-right'),
- bottom: this._totalCssByAttribute('padding-bottom'),
- left: this._totalCssByAttribute('padding-left')
- };
- }
- }, {
- key: '_totalCssByAttribute',
- value: function _totalCssByAttribute(attribute) {
- return parseInt(this._$modalDialog.css(attribute), 10) + parseInt(this._$modalContent.css(attribute), 10) + parseInt(this._$modalBody.css(attribute), 10);
- }
- }, {
- key: '_updateTitleAndFooter',
- value: function _updateTitleAndFooter() {
- var title = this._$element.data('title') || "";
- var caption = this._$element.data('footer') || "";
- this._titleIsShown = false;
- if (title || this._config.alwaysShowClose) {
- this._titleIsShown = true;
- this._$modalHeader.css('display', '').find('.modal-title').html(title || " ");
- } else this._$modalHeader.css('display', 'none');
- this._footerIsShown = false;
- if (caption) {
- this._footerIsShown = true;
- this._$modalFooter.css('display', '').html(caption);
- } else this._$modalFooter.css('display', 'none');
- return this;
- }
- }, {
- key: '_showYoutubeVideo',
- value: function _showYoutubeVideo(remote, $containerForElement) {
- var id = this._getYoutubeId(remote);
- var query = remote.indexOf('&') > 0 ? remote.substr(remote.indexOf('&')) : '';
- var width = this._$element.data('width') || 560;
- var height = this._$element.data('height') || width / (560 / 315);
- return this._showVideoIframe('//www.youtube.com/embed/' + id + '?badge=0&autoplay=1&html5=1' + query, width, height, $containerForElement);
- }
- }, {
- key: '_showVimeoVideo',
- value: function _showVimeoVideo(id, $containerForElement) {
- var width = this._$element.data('width') || 500;
- var height = this._$element.data('height') || width / (560 / 315);
- return this._showVideoIframe(id + '?autoplay=1', width, height, $containerForElement);
- }
- }, {
- key: '_showInstagramVideo',
- value: function _showInstagramVideo(id, $containerForElement) {
- // instagram load their content into iframe's so this can be put straight into the element
- var width = this._$element.data('width') || 612;
- var height = width + 80;
- id = id.substr(-1) !== '/' ? id + '/' : id; // ensure id has trailing slash
- $containerForElement.html('<iframe width="' + width + '" height="' + height + '" src="' + id + 'embed/" frameborder="0" allowfullscreen></iframe>');
- this._resize(width, height);
- this._config.onContentLoaded.call(this);
- if (this._$modalArrows) //hide the arrows when showing video
- this._$modalArrows.css('display', 'none');
- this._toggleLoading(false);
- return this;
- }
- }, {
- key: '_showVideoIframe',
- value: function _showVideoIframe(url, width, height, $containerForElement) {
- // should be used for videos only. for remote content use loadRemoteContent (data-type=url)
- height = height || width; // default to square
- $containerForElement.html('<div class="embed-responsive embed-responsive-16by9"><iframe width="' + width + '" height="' + height + '" src="' + url + '" frameborder="0" allowfullscreen class="embed-responsive-item"></iframe></div>');
- this._resize(width, height);
- this._config.onContentLoaded.call(this);
- if (this._$modalArrows) this._$modalArrows.css('display', 'none'); //hide the arrows when showing video
- this._toggleLoading(false);
- return this;
- }
- }, {
- key: '_showHtml5Video',
- value: function _showHtml5Video(url, $containerForElement) {
- // should be used for videos only. for remote content use loadRemoteContent (data-type=url)
- var width = this._$element.data('width') || 560;
- var height = this._$element.data('height') || width / (560 / 315);
- $containerForElement.html('<div class="embed-responsive embed-responsive-16by9"><video width="' + width + '" height="' + height + '" src="' + url + '" preload="auto" autoplay controls class="embed-responsive-item"></video></div>');
- this._resize(width, height);
- this._config.onContentLoaded.call(this);
- if (this._$modalArrows) this._$modalArrows.css('display', 'none'); //hide the arrows when showing video
- this._toggleLoading(false);
- return this;
- }
- }, {
- key: '_loadRemoteContent',
- value: function _loadRemoteContent(url, $containerForElement) {
- var _this3 = this;
- var width = this._$element.data('width') || 560;
- var height = this._$element.data('height') || 560;
- var disableExternalCheck = this._$element.data('disableExternalCheck') || false;
- this._toggleLoading(false);
- // external urls are loading into an iframe
- // local ajax can be loaded into the container itself
- if (!disableExternalCheck && !this._isExternal(url)) {
- $containerForElement.load(url, $.proxy(function () {
- return _this3._$element.trigger('loaded.bs.modal');l;
- }));
- } else {
- $containerForElement.html('<iframe src="' + url + '" frameborder="0" allowfullscreen></iframe>');
- this._config.onContentLoaded.call(this);
- }
- if (this._$modalArrows) //hide the arrows when remote content
- this._$modalArrows.css('display', 'none');
- this._resize(width, height);
- return this;
- }
- }, {
- key: '_isExternal',
- value: function _isExternal(url) {
- var match = url.match(/^([^:\/?#]+:)?(?:\/\/([^\/?#]*))?([^?#]+)?(\?[^#]*)?(#.*)?/);
- if (typeof match[1] === "string" && match[1].length > 0 && match[1].toLowerCase() !== location.protocol) return true;
- if (typeof match[2] === "string" && match[2].length > 0 && match[2].replace(new RegExp(':(' + ({
- "http:": 80,
- "https:": 443
- })[location.protocol] + ')?$'), "") !== location.host) return true;
- return false;
- }
- }, {
- key: '_error',
- value: function _error(message) {
- console.error(message);
- this._containerToUse().html(message);
- this._resize(300, 300);
- return this;
- }
- }, {
- key: '_preloadImageByIndex',
- value: function _preloadImageByIndex(startIndex, numberOfTimes) {
- if (!this._$galleryItems) return;
- var next = $(this._$galleryItems.get(startIndex), false);
- if (typeof next == 'undefined') return;
- var src = next.attr('data-remote') || next.attr('href');
- if (next.attr('data-type') === 'image' || this._isImage(src)) this._preloadImage(src, false);
- if (numberOfTimes > 0) return this._preloadImageByIndex(startIndex + 1, numberOfTimes - 1);
- }
- }, {
- key: '_preloadImage',
- value: function _preloadImage(src, $containerForImage) {
- var _this4 = this;
- $containerForImage = $containerForImage || false;
- var img = new Image();
- if ($containerForImage) {
- (function () {
- // if loading takes > 200ms show a loader
- var loadingTimeout = setTimeout(function () {
- $containerForImage.append(_this4._config.loadingMessage);
- }, 200);
- img.onload = function () {
- if (loadingTimeout) clearTimeout(loadingTimeout);
- loadingTimeout = null;
- var image = $('<img />');
- image.attr('src', img.src);
- image.addClass('img-fluid');
- // backward compatibility for bootstrap v3
- image.css('width', '100%');
- $containerForImage.html(image);
- if (_this4._$modalArrows) _this4._$modalArrows.css('display', ''); // remove display to default to css property
- _this4._resize(img.width, img.height);
- _this4._toggleLoading(false);
- return _this4._config.onContentLoaded.call(_this4);
- };
- img.onerror = function () {
- _this4._toggleLoading(false);
- return _this4._error(_this4._config.strings.fail + (' ' + src));
- };
- })();
- }
- img.src = src;
- return img;
- }
- }, {
- key: '_swipeGesure',
- value: function _swipeGesure() {
- if (this._touchendX < this._touchstartX) {
- return this.navigateRight();
- }
- if (this._touchendX > this._touchstartX) {
- return this.navigateLeft();
- }
- }
- }, {
- key: '_resize',
- value: function _resize(width, height) {
- height = height || width;
- this._wantedWidth = width;
- this._wantedHeight = height;
- var imageAspecRatio = width / height;
- // if width > the available space, scale down the expected width and height
- var widthBorderAndPadding = this._padding.left + this._padding.right + this._border.left + this._border.right;
- // force 10px margin if window size > 575px
- var addMargin = this._config.doc.body.clientWidth > 575 ? 20 : 0;
- var discountMargin = this._config.doc.body.clientWidth > 575 ? 0 : 20;
- var maxWidth = Math.min(width + widthBorderAndPadding, this._config.doc.body.clientWidth - addMargin, this._config.maxWidth);
- if (width + widthBorderAndPadding > maxWidth) {
- height = (maxWidth - widthBorderAndPadding - discountMargin) / imageAspecRatio;
- width = maxWidth;
- } else width = width + widthBorderAndPadding;
- var headerHeight = 0,
- footerHeight = 0;
- // as the resize is performed the modal is show, the calculate might fail
- // if so, default to the default sizes
- if (this._footerIsShown) footerHeight = this._$modalFooter.outerHeight(true) || 55;
- if (this._titleIsShown) headerHeight = this._$modalHeader.outerHeight(true) || 67;
- var borderPadding = this._padding.top + this._padding.bottom + this._border.bottom + this._border.top;
- //calculated each time as resizing the window can cause them to change due to Bootstraps fluid margins
- var margins = parseFloat(this._$modalDialog.css('margin-top')) + parseFloat(this._$modalDialog.css('margin-bottom'));
- var maxHeight = Math.min(height, $(window).height() - borderPadding - margins - headerHeight - footerHeight, this._config.maxHeight - borderPadding - headerHeight - footerHeight);
- if (height > maxHeight) {
- // if height > the available height, scale down the width
- width = Math.ceil(maxHeight * imageAspecRatio) + widthBorderAndPadding;
- }
- this._$lightboxContainer.css('height', maxHeight);
- this._$modalDialog.css('flex', 1).css('maxWidth', width);
- var modal = this._$modal.data('bs.modal');
- if (modal) {
- // v4 method is mistakenly protected
- try {
- modal._handleUpdate();
- } catch (Exception) {
- modal.handleUpdate();
- }
- }
- return this;
- }
- }], [{
- key: '_jQueryInterface',
- value: function _jQueryInterface(config) {
- var _this5 = this;
- config = config || {};
- return this.each(function () {
- var $this = $(_this5);
- var _config = $.extend({}, Lightbox.Default, $this.data(), typeof config === 'object' && config);
- new Lightbox(_this5, _config);
- });
- }
- }]);
- return Lightbox;
- })();
- $.fn[NAME] = Lightbox._jQueryInterface;
- $.fn[NAME].Constructor = Lightbox;
- $.fn[NAME].noConflict = function () {
- $.fn[NAME] = JQUERY_NO_CONFLICT;
- return Lightbox._jQueryInterface;
- };
- return Lightbox;
- })(jQuery);
- //# sourceMappingURL=ekko-lightbox.js.map
- }(jQuery);
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