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function plugin(UIkit) {
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if (plugin.installed) {
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return;
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}
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var {$, doc, extend, Dimensions, getIndex, Transition} = UIkit.util;
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var active;
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doc.on({
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keydown: e => {
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if (active) {
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switch (e.keyCode) {
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case 37:
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active.show('previous');
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break;
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case 39:
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active.show('next');
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break;
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}
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}
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}
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});
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UIkit.component('lightbox', {
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name: 'lightbox',
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props: {
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toggle: String,
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duration: Number,
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inverse: Boolean
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},
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defaults: {
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toggle: 'a',
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duration: 400,
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dark: false,
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attrItem: 'uk-lightbox-item',
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items: [],
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index: 0
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},
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computed: {
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toggles() {
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return $(this.toggle, this.$el).each((_, el) => this.items.push({
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source: el.getAttribute('href'),
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title: el.getAttribute('title'),
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type: el.getAttribute('type')
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}));
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}
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},
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events: [
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{
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name: 'click',
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delegate() {
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return `${this.toggle}:not(.uk-disabled)`;
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},
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handler(e) {
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e.preventDefault();
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this.show(this.toggles.index(e.currentTarget));
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}
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},
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{
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name: 'showitem',
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handler(e) {
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var item = this.getItem();
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if (item.content) {
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this.$update();
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e.stopImmediatePropagation();
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}
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}
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}
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],
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update: {
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write() {
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var item = this.getItem();
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if (!this.modal || !item.content) {
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return;
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}
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var panel = this.modal.panel,
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dim = {width: panel.width(), height: panel.height()},
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max = {
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width: window.innerWidth - (panel.outerWidth(true) - dim.width),
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height: window.innerHeight - (panel.outerHeight(true) - dim.height)
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},
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newDim = Dimensions.fit({width: item.width, height: item.height}, max);
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Transition.stop(panel);
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Transition.stop(this.modal.content);
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if (this.modal.content) {
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this.modal.content.remove();
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}
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this.modal.content = $(item.content).css('opacity', 0).appendTo(panel);
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panel.css(dim);
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Transition.start(panel, newDim, this.duration).then(() => {
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Transition.start(this.modal.content, {opacity: 1}, 400).then(() => {
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panel.find('[uk-transition-hide]').show();
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panel.find('[uk-transition-show]').hide();
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});
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});
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},
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events: ['resize']
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},
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methods: {
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show(index) {
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this.index = getIndex(index, this.items, this.index);
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if (!this.modal) {
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this.modal = UIkit.modal.dialog(`
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<button class="uk-modal-close-outside" uk-transition-hide type="button" uk-close></button>
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<span class="uk-position-center" uk-transition-show uk-spinner></span>
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`, {center: true});
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this.modal.$el.css('overflow', 'hidden').addClass('uk-modal-lightbox');
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this.modal.panel.css({width: 200, height: 200});
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this.modal.caption = $('<div class="uk-modal-caption" uk-transition-hide></div>').appendTo(this.modal.panel);
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if (this.items.length > 1) {
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$(`<div class="${this.dark ? 'uk-dark' : 'uk-light'}" uk-transition-hide>
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<a href="#" class="uk-position-center-left" uk-slidenav-previous uk-lightbox-item="previous"></a>
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<a href="#" class="uk-position-center-right" uk-slidenav-next uk-lightbox-item="next"></a>
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</div>
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`).appendTo(this.modal.panel.addClass('uk-slidenav-position'));
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}
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this.modal.$el
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.on('hidden', this.hide)
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.on('click', `[${this.attrItem}]`, e => {
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e.preventDefault();
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this.show($(e.currentTarget).attr(this.attrItem));
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}).on('swipeRight swipeLeft', e => {
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e.preventDefault();
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if (!window.getSelection().toString()) {
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this.show(e.type === 'swipeLeft' ? 'next' : 'previous');
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}
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});
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}
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active = this;
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this.modal.panel.find('[uk-transition-hide]').hide();
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this.modal.panel.find('[uk-transition-show]').show();
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this.modal.content && this.modal.content.remove();
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this.modal.caption.text(this.getItem().title);
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var event = $.Event('showitem');
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this.$el.trigger(event);
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if (!event.isImmediatePropagationStopped()) {
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this.setError(this.getItem());
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}
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},
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hide() {
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active = active && active !== this && active;
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this.modal.hide().then(() => {
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this.modal.$destroy(true);
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this.modal = null;
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});
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},
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getItem() {
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return this.items[this.index] || {source: '', title: '', type: ''};
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},
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setItem(item, content, width = 200, height = 200) {
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extend(item, {content, width, height});
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this.$update();
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},
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setError(item) {
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this.setItem(item, '<div class="uk-position-cover uk-flex uk-flex-middle uk-flex-center"><strong>Loading resource failed!</strong></div>', 400, 300);
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}
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}
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});
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UIkit.mixin({
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events: {
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showitem(e) {
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let item = this.getItem();
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if (item.type !== 'image' && item.source && !item.source.match(/\.(jp(e)?g|png|gif|svg)$/i)) {
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return;
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}
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var img = new Image();
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img.onerror = () => this.setError(item);
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img.onload = () => this.setItem(item, `<img class="uk-responsive-width" width="${img.width}" height="${img.height}" src ="${item.source}">`, img.width, img.height);
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img.src = item.source;
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e.stopImmediatePropagation();
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}
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}
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}, 'lightbox');
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UIkit.mixin({
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events: {
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showitem(e) {
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let item = this.getItem();
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if (item.type !== 'video' && item.source && !item.source.match(/\.(mp4|webm|ogv)$/i)) {
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return;
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}
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var video = $('<video class="uk-responsive-width" controls></video>')
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.on('loadedmetadata', () => this.setItem(item, video.attr({width: video[0].videoWidth, height: video[0].videoHeight}), video[0].videoWidth, video[0].videoHeight))
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.attr('src', item.source);
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e.stopImmediatePropagation();
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}
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}
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}, 'lightbox');
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UIkit.mixin({
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events: {
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showitem(e) {
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264
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let item = this.getItem(), matches;
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266
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if (!(matches = item.source.match(/\/\/.*?youtube\.[a-z]+\/watch\?v=([^&]+)&?(.*)/)) && !(item.source.match(/youtu\.be\/(.*)/))) {
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return;
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}
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270
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let id = matches[1],
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img = new Image(),
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lowres = false,
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setIframe = (width, height) => this.setItem(item, `<iframe src="//www.youtube.com/embed/${id}" width="${width}" height="${height}" style="max-width:100%;box-sizing:border-box;"></iframe>`, width, height);
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img.onerror = () => setIframe(640, 320);
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img.onload = () => {
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//youtube default 404 thumb, fall back to lowres
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if (img.width === 120 && img.height === 90) {
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280
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if (!lowres) {
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lowres = true;
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img.src = `//img.youtube.com/vi/${id}/0.jpg`;
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} else {
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setIframe(640, 320);
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}
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286
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} else {
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setIframe(img.width, img.height);
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}
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};
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290
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img.src = `//img.youtube.com/vi/${id}/maxresdefault.jpg`;
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e.stopImmediatePropagation();
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}
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295
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}
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297
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298
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}, 'lightbox');
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299
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300
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UIkit.mixin({
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301
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events: {
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303
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showitem(e) {
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305
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let item = this.getItem(), matches;
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307
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if (!(matches = item.source.match(/(\/\/.*?)vimeo\.[a-z]+\/([0-9]+).*?/))) {
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return;
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310
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}
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let id = matches[2],
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setIframe = (width, height) => this.setItem(item, `<iframe src="//player.vimeo.com/video/${id}" width="${width}" height="${height}" style="max-width:100%;box-sizing:border-box;"></iframe>`, width, height);
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314
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$.ajax({type: 'GET', url: `http://vimeo.com/api/oembed.json?url=${encodeURI(item.source)}`, jsonp: 'callback', dataType: 'jsonp'}).then((res) => setIframe(res.width, res.height));
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e.stopImmediatePropagation();
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}
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319
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320
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}
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321
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322
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}, 'lightbox');
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323
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324
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}
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325
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326
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if (!BUNDLED && typeof window !== 'undefined' && window.UIkit) {
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327
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window.UIkit.use(plugin);
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328
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}
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329
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330
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export default plugin;
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