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Editing: lightbox.min.js

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/*!
 * Lightbox v2.11.3
 * by Lokesh Dhakar
 *
 * More info:
 * http://lokeshdhakar.com/projects/lightbox2/
 *
 * Copyright Lokesh Dhakar
 * Released under the MIT license
 * https://github.com/lokesh/lightbox2/blob/master/LICENSE
 *
 * @preserve
 */
!function (a, b) { "function" == typeof define && define.amd ? define(["jquery"], b) : "object" == typeof exports ? module.exports = b(require("jquery")) : a.lightbox = b(a.jQuery) }(this, function (a) { function b(b) { this.album = [], this.currentImageIndex = void 0, this.init(), this.options = a.extend({}, this.constructor.defaults), this.option(b) } return b.defaults = { albumLabel: "Image %1 of %2", alwaysShowNavOnTouchDevices: !1, fadeDuration: 600, fitImagesInViewport: !0, imageFadeDuration: 600, positionFromTop: 50, resizeDuration: 700, showImageNumberLabel: !0, wrapAround: !1, disableScrolling: !1, sanitizeTitle: !1 }, b.prototype.option = function (b) { a.extend(this.options, b) }, b.prototype.imageCountLabel = function (a, b) { return this.options.albumLabel.replace(/%1/g, a).replace(/%2/g, b) }, b.prototype.init = function () { var b = this; a(document).ready(function () { b.enable(), b.build() }) }, b.prototype.enable = function () { var b = this; a("body").on("click", "a[rel^=lightbox], area[rel^=lightbox], a[data-lightbox], area[data-lightbox]", function (c) { return b.start(a(c.currentTarget)), !1 }) }, b.prototype.build = function () { if (!(a("#lightbox").length > 0)) { var b = this; a('<div id="lightboxOverlay" tabindex="-1" class="lightboxOverlay"></div><div id="lightbox" tabindex="-1" class="lightbox"><div class="lb-outerContainer"><div class="lb-container"><img class="lb-image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" alt=""/><div class="lb-nav"><a class="lb-prev" aria-label="Previous image" href="" ></a><a class="lb-next" aria-label="Next image" href="" ></a></div><div class="lb-loader"><a class="lb-cancel"></a></div></div></div><div class="lb-dataContainer"><div class="lb-data"><div class="lb-details"><span class="lb-caption"></span><span class="lb-number"></span></div><div class="lb-closeContainer"><a class="lb-close"></a></div></div></div></div>').appendTo(a("body")), this.$lightbox = a("#lightbox"), this.$overlay = a("#lightboxOverlay"), this.$outerContainer = this.$lightbox.find(".lb-outerContainer"), this.$container = this.$lightbox.find(".lb-container"), this.$image = this.$lightbox.find(".lb-image"), this.$nav = this.$lightbox.find(".lb-nav"), this.containerPadding = { top: parseInt(this.$container.css("padding-top"), 10), right: parseInt(this.$container.css("padding-right"), 10), bottom: parseInt(this.$container.css("padding-bottom"), 10), left: parseInt(this.$container.css("padding-left"), 10) }, this.imageBorderWidth = { top: parseInt(this.$image.css("border-top-width"), 10), right: parseInt(this.$image.css("border-right-width"), 10), bottom: parseInt(this.$image.css("border-bottom-width"), 10), left: parseInt(this.$image.css("border-left-width"), 10) }, this.$overlay.hide().on("click", function () { return b.end(), !1 }), this.$lightbox.hide().on("click", function (c) { "lightbox" === a(c.target).attr("id") && b.end() }), this.$outerContainer.on("click", function (c) { return "lightbox" === a(c.target).attr("id") && b.end(), !1 }), this.$lightbox.find(".lb-prev").on("click", function () { return 0 === b.currentImageIndex ? b.changeImage(b.album.length - 1) : b.changeImage(b.currentImageIndex - 1), !1 }), this.$lightbox.find(".lb-next").on("click", function () { return b.currentImageIndex === b.album.length - 1 ? b.changeImage(0) : b.changeImage(b.currentImageIndex + 1), !1 }), this.$nav.on("mousedown", function (a) { 3 === a.which && (b.$nav.css("pointer-events", "none"), b.$lightbox.one("contextmenu", function () { setTimeout(function () { this.$nav.css("pointer-events", "auto") }.bind(b), 0) })) }), this.$lightbox.find(".lb-loader, .lb-close").on("click", function () { return b.end(), !1 }) } }, b.prototype.start = function (b) { function c(a) { d.album.push({ alt: a.attr("data-alt"), link: a.attr("href"), title: a.attr("data-title") || a.attr("title") }) } var d = this, e = a(window); e.on("resize", a.proxy(this.sizeOverlay, this)), this.sizeOverlay(), this.album = []; var f, g = 0, h = b.attr("data-lightbox"); if (h) { f = a(b.prop("tagName") + '[data-lightbox="' + h + '"]'); for (var i = 0; i < f.length; i = ++i)c(a(f[i])), f[i] === b[0] && (g = i) } else if ("lightbox" === b.attr("rel")) c(b); else { f = a(b.prop("tagName") + '[rel="' + b.attr("rel") + '"]'); for (var j = 0; j < f.length; j = ++j)c(a(f[j])), f[j] === b[0] && (g = j) } var k = e.scrollTop() + this.options.positionFromTop, l = e.scrollLeft(); this.$lightbox.css({ top: k + "px", left: l + "px" }).fadeIn(this.options.fadeDuration), this.options.disableScrolling && a("body").addClass("lb-disable-scrolling"), this.changeImage(g) }, b.prototype.changeImage = function (b) { var c = this, d = this.album[b].link, e = d.split(".").slice(-1)[0], f = this.$lightbox.find(".lb-image"); this.disableKeyboardNav(), this.$overlay.fadeIn(this.options.fadeDuration), a(".lb-loader").fadeIn("slow"), this.$lightbox.find(".lb-image, .lb-nav, .lb-prev, .lb-next, .lb-dataContainer, .lb-numbers, .lb-caption").hide(), this.$outerContainer.addClass("animating"); var g = new Image; g.onload = function () { var h, i, j, k, l, m; f.attr({ alt: c.album[b].alt, src: d }), a(g), f.width(g.width), f.height(g.height), m = a(window).width(), l = a(window).height(), k = m - c.containerPadding.left - c.containerPadding.right - c.imageBorderWidth.left - c.imageBorderWidth.right - 20, j = l - c.containerPadding.top - c.containerPadding.bottom - c.imageBorderWidth.top - c.imageBorderWidth.bottom - c.options.positionFromTop - 70, "svg" === e && (f.width(k), f.height(j)), c.options.fitImagesInViewport ? (c.options.maxWidth && c.options.maxWidth < k && (k = c.options.maxWidth), c.options.maxHeight && c.options.maxHeight < j && (j = c.options.maxHeight)) : (k = c.options.maxWidth || g.width || k, j = c.options.maxHeight || g.height || j), (g.width > k || g.height > j) && (g.width / k > g.height / j ? (i = k, h = parseInt(g.height / (g.width / i), 10), f.width(i), f.height(h)) : (h = j, i = parseInt(g.width / (g.height / h), 10), f.width(i), f.height(h))), c.sizeContainer(f.width(), f.height()) }, g.src = this.album[b].link, this.currentImageIndex = b }, b.prototype.sizeOverlay = function () { var b = this; setTimeout(function () { b.$overlay.width(a(document).width()).height(a(document).height()) }, 0) }, b.prototype.sizeContainer = function (a, b) { function c() { d.$lightbox.find(".lb-dataContainer").width(g), d.$lightbox.find(".lb-prevLink").height(h), d.$lightbox.find(".lb-nextLink").height(h), d.$overlay.focus(), d.showImage() } var d = this, e = this.$outerContainer.outerWidth(), f = this.$outerContainer.outerHeight(), g = a + this.containerPadding.left + this.containerPadding.right + this.imageBorderWidth.left + this.imageBorderWidth.right, h = b + this.containerPadding.top + this.containerPadding.bottom + this.imageBorderWidth.top + this.imageBorderWidth.bottom; e !== g || f !== h ? this.$outerContainer.animate({ width: g, height: h }, this.options.resizeDuration, "swing", function () { c() }) : c() }, b.prototype.showImage = function () { this.$lightbox.find(".lb-loader").stop(!0).hide(), this.$lightbox.find(".lb-image").fadeIn(this.options.imageFadeDuration), this.updateNav(), this.updateDetails(), this.preloadNeighboringImages(), this.enableKeyboardNav() }, b.prototype.updateNav = function () { var a = !1; try { document.createEvent("TouchEvent"), a = !!this.options.alwaysShowNavOnTouchDevices } catch (a) { } this.$lightbox.find(".lb-nav").show(), this.album.length > 1 && (this.options.wrapAround ? (a && this.$lightbox.find(".lb-prev, .lb-next").css("opacity", "1"), this.$lightbox.find(".lb-prev, .lb-next").show()) : (this.currentImageIndex > 0 && (this.$lightbox.find(".lb-prev").show(), a && this.$lightbox.find(".lb-prev").css("opacity", "1")), this.currentImageIndex < this.album.length - 1 && (this.$lightbox.find(".lb-next").show(), a && this.$lightbox.find(".lb-next").css("opacity", "1")))) }, b.prototype.updateDetails = function () { var a = this; if (void 0 !== this.album[this.currentImageIndex].title && "" !== this.album[this.currentImageIndex].title) { var b = this.$lightbox.find(".lb-caption"); this.options.sanitizeTitle ? b.text(this.album[this.currentImageIndex].title) : b.html(this.album[this.currentImageIndex].title), b.fadeIn("fast") } if (this.album.length > 1 && this.options.showImageNumberLabel) { var c = this.imageCountLabel(this.currentImageIndex + 1, this.album.length); this.$lightbox.find(".lb-number").text(c).fadeIn("fast") } else this.$lightbox.find(".lb-number").hide(); this.$outerContainer.removeClass("animating"), this.$lightbox.find(".lb-dataContainer").fadeIn(this.options.resizeDuration, function () { return a.sizeOverlay() }) }, b.prototype.preloadNeighboringImages = function () { if (this.album.length > this.currentImageIndex + 1) { (new Image).src = this.album[this.currentImageIndex + 1].link } if (this.currentImageIndex > 0) { (new Image).src = this.album[this.currentImageIndex - 1].link } }, b.prototype.enableKeyboardNav = function () { this.$lightbox.on("keyup.keyboard", a.proxy(this.keyboardAction, this)), this.$overlay.on("keyup.keyboard", a.proxy(this.keyboardAction, this)) }, b.prototype.disableKeyboardNav = function () { this.$lightbox.off(".keyboard"), this.$overlay.off(".keyboard") }, b.prototype.keyboardAction = function (a) { var b = a.keyCode; 27 === b ? (a.stopPropagation(), this.end()) : 37 === b ? 0 !== this.currentImageIndex ? this.changeImage(this.currentImageIndex - 1) : this.options.wrapAround && this.album.length > 1 && this.changeImage(this.album.length - 1) : 39 === b && (this.currentImageIndex !== this.album.length - 1 ? this.changeImage(this.currentImageIndex + 1) : this.options.wrapAround && this.album.length > 1 && this.changeImage(0)) }, b.prototype.end = function () { this.disableKeyboardNav(), a(window).off("resize", this.sizeOverlay), this.$lightbox.fadeOut(this.options.fadeDuration), this.$overlay.fadeOut(this.options.fadeDuration), this.options.disableScrolling && a("body").removeClass("lb-disable-scrolling") }, new b });
//# sourceMappingURL=lightbox.min.map

Editing: lightbox.min.js

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