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MODULE: ./src/js/util/dom.js\n// This is not really a perfect check, but works fine.\n// From http://stackoverflow.com/questions/384286\nconst HAS_DOM_2 = typeof HTMLElement === \"object\";\n\nfunction isDOMElement(obj) {\n  return HAS_DOM_2\n    ? obj instanceof HTMLElement\n    : obj &&\n        typeof obj === \"object\" &&\n        obj !== null &&\n        obj.nodeType === 1 &&\n        typeof obj.nodeName === \"string\";\n}\n\nfunction addClasses(el, classNames) {\n  classNames.forEach(function(className) {\n    el.classList.add(className);\n  });\n}\n\nfunction removeClasses(el, classNames) {\n  classNames.forEach(function(className) {\n    el.classList.remove(className);\n  });\n}\n\n// CONCATENATED MODULE: ./src/js/injectBaseStylesheet.js\n/* UNMINIFIED RULES\n\n@keyframes lum-noop {\n  0% { zoom: 1; }\n}\n\n.lum-lightbox {\n  position: fixed;\n  display: none;\n  top: 0;\n  right: 0;\n  bottom: 0;\n  left: 0;\n}\n\n.lum-lightbox.lum-open {\n  display: block;\n}\n\n.lum-lightbox.lum-opening, .lum-lightbox.lum-closing {\n  animation: lum-noop 1ms;\n}\n\n.lum-lightbox-inner {\n  position: absolute;\n  top: 0%;\n  right: 0%;\n  bottom: 0%;\n  left: 0%;\n\n  overflow: hidden;\n}\n\n.lum-lightbox-loader {\n  display: none;\n}\n\n.lum-lightbox-inner img {\n  max-width: 100%;\n  max-height: 100%;\n}\n\n.lum-lightbox-image-wrapper {\n  vertical-align: middle;\n  display: table-cell;\n  text-align: center;\n}\n*/\n\nconst RULES = `@keyframes lum-noop{0%{zoom:1}}.lum-lightbox{position:fixed;display:none;top:0;right:0;bottom:0;left:0}.lum-lightbox.lum-open{display:block}.lum-lightbox.lum-closing,.lum-lightbox.lum-opening{animation:lum-noop 1ms}.lum-lightbox-inner{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.lum-lightbox-loader{display:none}.lum-lightbox-inner img{max-width:100%;max-height:100%}.lum-lightbox-image-wrapper{vertical-align:middle;display:table-cell;text-align:center}`;\n\nfunction injectBaseStylesheet() {\n  if (document.querySelector(\".lum-base-styles\")) {\n    return;\n  }\n\n  const styleEl = document.createElement(\"style\");\n  styleEl.type = \"text/css\";\n  styleEl.classList.add(\"lum-base-styles\");\n\n  styleEl.appendChild(document.createTextNode(RULES));\n\n  const head = document.head;\n  head.insertBefore(styleEl, head.firstChild);\n}\n\n// CONCATENATED MODULE: ./src/js/util/throwIfMissing.js\nfunction throwIfMissing() {\n  throw new Error(\"Missing parameter\");\n}\n\n// CONCATENATED MODULE: ./src/js/Lightbox.js\n\n\n\nconst LEFT_ARROW = 37;\nconst RIGHT_ARROW = 39;\n\n// All officially-supported browsers have this, but it's easy to\n// account for, just in case.\nconst HAS_ANIMATION =\n  typeof document === \"undefined\"\n    ? false\n    : \"animation\" in document.createElement(\"div\").style;\n\nclass Lightbox_Lightbox {\n  constructor(options = {}) {\n    this._sizeImgWrapperEl = this._sizeImgWrapperEl.bind(this);\n    this.showNext = this.showNext.bind(this);\n    this.showPrevious = this.showPrevious.bind(this);\n    this._completeOpen = this._completeOpen.bind(this);\n    this._completeClose = this._completeClose.bind(this);\n    this._handleKeydown = this._handleKeydown.bind(this);\n\n    let {\n      namespace = null,\n      parentEl = throwIfMissing(),\n      triggerEl = throwIfMissing(),\n      sourceAttribute = throwIfMissing(),\n      caption = null,\n      includeImgixJSClass = false,\n      _gallery = null,\n      _arrowNavigation = null\n    } = options;\n\n    this.settings = {\n      namespace,\n      parentEl,\n      triggerEl,\n      sourceAttribute,\n      caption,\n      includeImgixJSClass,\n      _gallery,\n      _arrowNavigation\n    };\n\n    if (!isDOMElement(this.settings.parentEl)) {\n      throw new TypeError(\n        \"`new Lightbox` requires a DOM element passed as `parentEl`.\"\n      );\n    }\n\n    this.currentTrigger = this.settings.triggerEl;\n\n    this.openClasses = this._buildClasses(\"open\");\n    this.openingClasses = this._buildClasses(\"opening\");\n    this.closingClasses = this._buildClasses(\"closing\");\n\n    this.hasBeenLoaded = false;\n    this.elementBuilt = false;\n  }\n\n  _buildClasses(suffix) {\n    const classes = [`lum-${suffix}`];\n\n    const ns = this.settings.namespace;\n    if (ns) {\n      classes.push(`${ns}-${suffix}`);\n    }\n\n    return classes;\n  }\n\n  _buildElement() {\n    this.el = document.createElement(\"div\");\n    addClasses(this.el, this._buildClasses(\"lightbox\"));\n\n    this.innerEl = document.createElement(\"div\");\n    addClasses(this.innerEl, this._buildClasses(\"lightbox-inner\"));\n    this.el.appendChild(this.innerEl);\n\n    const loaderEl = document.createElement(\"div\");\n    addClasses(loaderEl, this._buildClasses(\"lightbox-loader\"));\n    this.innerEl.appendChild(loaderEl);\n\n    this.imgWrapperEl = document.createElement(\"div\");\n    addClasses(this.imgWrapperEl, this._buildClasses(\"lightbox-image-wrapper\"));\n    this.innerEl.appendChild(this.imgWrapperEl);\n\n    const positionHelperEl = document.createElement(\"span\");\n    addClasses(\n      positionHelperEl,\n      this._buildClasses(\"lightbox-position-helper\")\n    );\n    this.imgWrapperEl.appendChild(positionHelperEl);\n\n    this.imgEl = document.createElement(\"img\");\n    addClasses(this.imgEl, this._buildClasses(\"img\"));\n    positionHelperEl.appendChild(this.imgEl);\n\n    this.captionEl = document.createElement(\"p\");\n    addClasses(this.captionEl, this._buildClasses(\"lightbox-caption\"));\n    positionHelperEl.appendChild(this.captionEl);\n\n    if (this.settings._gallery) {\n      this._setUpGalleryElements();\n    }\n\n    this.settings.parentEl.appendChild(this.el);\n\n    this._updateImgSrc();\n    this._updateCaption();\n\n    if (this.settings.includeImgixJSClass) {\n      this.imgEl.classList.add(\"imgix-fluid\");\n    }\n  }\n\n  _setUpGalleryElements() {\n    this._buildGalleryButton(\"previous\", this.showPrevious);\n    this._buildGalleryButton(\"next\", this.showNext);\n  }\n\n  _buildGalleryButton(name, fn) {\n    const btn = document.createElement(\"button\");\n    this[`${name}Button`] = btn;\n\n    btn.innerText = name;\n    addClasses(btn, this._buildClasses(`${name}-button`));\n    addClasses(btn, this._buildClasses(\"gallery-button\"));\n    this.innerEl.appendChild(btn);\n\n    btn.addEventListener(\n      \"click\",\n      e => {\n        e.stopPropagation();\n\n        fn();\n      },\n      false\n    );\n  }\n\n  _sizeImgWrapperEl() {\n    const style = this.imgWrapperEl.style;\n    style.width = `${this.innerEl.clientWidth}px`;\n    style.maxWidth = `${this.innerEl.clientWidth}px`;\n    style.height = `${this.innerEl.clientHeight -\n      this.captionEl.clientHeight}px`;\n    style.maxHeight = `${this.innerEl.clientHeight -\n      this.captionEl.clientHeight}px`;\n  }\n\n  _updateCaption() {\n    const captionType = typeof this.settings.caption;\n    let caption = \"\";\n\n    if (captionType === \"string\") {\n      caption = this.settings.caption;\n    } else if (captionType === \"function\") {\n      caption = this.settings.caption(this.currentTrigger);\n    }\n\n    this.captionEl.innerHTML = caption;\n  }\n\n  _updateImgSrc() {\n    const imageURL = this.currentTrigger.getAttribute(\n      this.settings.sourceAttribute\n    );\n\n    if (!imageURL) {\n      throw new Error(\n        `No image URL was found in the ${\n          this.settings.sourceAttribute\n        } attribute of the trigger.`\n      );\n    }\n\n    let loadingClasses = this._buildClasses(\"loading\");\n\n    if (!this.hasBeenLoaded) {\n      addClasses(this.el, loadingClasses);\n    }\n\n    this.imgEl.onload = () => {\n      removeClasses(this.el, loadingClasses);\n      this.hasBeenLoaded = true;\n    };\n\n    this.imgEl.setAttribute(\"src\", imageURL);\n  }\n\n  _handleKeydown(e) {\n    if (e.keyCode == LEFT_ARROW) {\n      this.showPrevious();\n    } else if (e.keyCode == RIGHT_ARROW) {\n      this.showNext();\n    }\n  }\n\n  showNext() {\n    if (!this.settings._gallery) {\n      return;\n    }\n\n    this.currentTrigger = this.settings._gallery.nextTrigger(\n      this.currentTrigger\n    );\n    this._updateImgSrc();\n    this._updateCaption();\n    this._sizeImgWrapperEl();\n  }\n\n  showPrevious() {\n    if (!this.settings._gallery) {\n      return;\n    }\n\n    this.currentTrigger = this.settings._gallery.previousTrigger(\n      this.currentTrigger\n    );\n    this._updateImgSrc();\n    this._updateCaption();\n    this._sizeImgWrapperEl();\n  }\n\n  open() {\n    if (!this.elementBuilt) {\n      this._buildElement();\n      this.elementBuilt = true;\n    }\n\n    // When opening, always reset to the trigger we were passed\n    this.currentTrigger = this.settings.triggerEl;\n\n    // Make sure to re-set the `img` `src`, in case it's been changed\n    // by someone/something else.\n    this._updateImgSrc();\n    this._updateCaption();\n\n    addClasses(this.el, this.openClasses);\n\n    this._sizeImgWrapperEl();\n    window.addEventListener(\"resize\", this._sizeImgWrapperEl, false);\n\n    if (this.settings._arrowNavigation) {\n      window.addEventListener(\"keydown\", this._handleKeydown, false);\n    }\n\n    if (HAS_ANIMATION) {\n      this.el.addEventListener(\"animationend\", this._completeOpen, false);\n      addClasses(this.el, this.openingClasses);\n    }\n  }\n\n  close() {\n    window.removeEventListener(\"resize\", this._sizeImgWrapperEl, false);\n\n    if (this.settings._arrowNavigation) {\n      window.removeEventListener(\"keydown\", this._handleKeydown, false);\n    }\n\n    if (HAS_ANIMATION) {\n      this.el.addEventListener(\"animationend\", this._completeClose, false);\n      addClasses(this.el, this.closingClasses);\n    } else {\n      removeClasses(this.el, this.openClasses);\n    }\n  }\n\n  _completeOpen() {\n    this.el.removeEventListener(\"animationend\", this._completeOpen, false);\n\n    removeClasses(this.el, this.openingClasses);\n  }\n\n  _completeClose() {\n    this.el.removeEventListener(\"animationend\", this._completeClose, false);\n\n    removeClasses(this.el, this.openClasses);\n    removeClasses(this.el, this.closingClasses);\n  }\n\n  destroy() {\n    if (this.el) {\n      this.settings.parentEl.removeChild(this.el);\n    }\n  }\n}\n\n// CONCATENATED MODULE: ./src/js/Luminous.js\n\n\n\n\nclass Luminous_Luminous {\n  constructor(trigger, options = {}) {\n    this.VERSION = \"2.2.1\";\n    this.destroy = this.destroy.bind(this);\n    this.open = this.open.bind(this);\n    this.close = this.close.bind(this);\n    this._handleKeyup = this._handleKeyup.bind(this);\n\n    this.isOpen = false;\n\n    this.trigger = trigger;\n\n    if (!isDOMElement(this.trigger)) {\n      throw new TypeError(\n        \"`new Luminous` requires a DOM element as its first argument.\"\n      );\n    }\n\n    // Prefix for generated element class names (e.g. `my-ns` will\n    // result in classes such as `my-ns-lightbox`. Default `lum-`\n    // prefixed classes will always be added as well.\n    const namespace = options[\"namespace\"] || null;\n    // Which attribute to pull the lightbox image source from.\n    const sourceAttribute = options[\"sourceAttribute\"] || \"href\";\n    // Captions can be a literal string, or a function that receives the Luminous instance's trigger element as an argument and returns a string. Supports HTML, so use caution when dealing with user input.\n    const caption = options[\"caption\"] || null;\n    // The event to listen to on the _trigger_ element: triggers opening.\n    const openTrigger = options[\"openTrigger\"] || \"click\";\n    // The event to listen to on the _lightbox_ element: triggers closing.\n    const closeTrigger = options[\"closeTrigger\"] || \"click\";\n    // Allow closing by pressing escape.\n    const closeWithEscape = options[\"closeWithEscape\"] || true;\n    // Automatically close when the page is scrolled.\n    const closeOnScroll = options[\"closeOnScroll\"] || false;\n    // A selector defining what to append the lightbox element to.\n    const appendToSelector = options[\"appendToSelector\"] || \"body\";\n    // If present (and a function), this will be called\n    // whenever the lightbox is opened.\n    const onOpen = options[\"onOpen\"] || null;\n    // If present (and a function), this will be called\n    // whenever the lightbox is closed.\n    const onClose = options[\"onClose\"] || null;\n    // When true, adds the `imgix-fluid` class to the `img`\n    // inside the lightbox. See https://github.com/imgix/imgix.js\n    // for more information.\n    const includeImgixJSClass = options[\"includeImgixJSClass\"] || false;\n    // Add base styles to the page. See the \"Theming\"\n    // section of README.md for more information.\n    const injectBaseStyles = options[\"injectBaseStyles\"] || true;\n    // Internal use only!\n    const _gallery = options[\"_gallery\"] || null;\n    const _arrowNavigation = options[\"_arrowNavigation\"] || null;\n\n    this.settings = {\n      namespace,\n      sourceAttribute,\n      caption,\n      openTrigger,\n      closeTrigger,\n      closeWithEscape,\n      closeOnScroll,\n      appendToSelector,\n      onOpen,\n      onClose,\n      includeImgixJSClass,\n      injectBaseStyles,\n      _gallery,\n      _arrowNavigation\n    };\n\n    if (this.settings.injectBaseStyles) {\n      injectBaseStylesheet();\n    }\n\n    this._buildLightbox();\n    this._bindEvents();\n  }\n\n  open(e) {\n    if (e && typeof e.preventDefault === \"function\") {\n      e.preventDefault();\n    }\n\n    let previouslyBuilt = this.lightbox.elementBuilt;\n\n    this.lightbox.open();\n\n    if (!previouslyBuilt) {\n      this._bindCloseEvent();\n    }\n\n    if (this.settings.closeOnScroll) {\n      window.addEventListener(\"scroll\", this.close, false);\n    }\n\n    const onOpen = this.settings.onOpen;\n    if (onOpen && typeof onOpen === \"function\") {\n      onOpen();\n    }\n\n    this.isOpen = true;\n  }\n\n  close(e) {\n    if (e && typeof e.preventDefault === \"function\") {\n      e.preventDefault();\n    }\n\n    if (this.settings.closeOnScroll) {\n      window.removeEventListener(\"scroll\", this.close, false);\n    }\n\n    this.lightbox.close();\n\n    const onClose = this.settings.onClose;\n    if (onClose && typeof onClose === \"function\") {\n      onClose();\n    }\n\n    this.isOpen = false;\n  }\n\n  _buildLightbox() {\n    this.lightbox = new Lightbox_Lightbox({\n      namespace: this.settings.namespace,\n      parentEl: document.querySelector(this.settings.appendToSelector),\n      triggerEl: this.trigger,\n      sourceAttribute: this.settings.sourceAttribute,\n      caption: this.settings.caption,\n      includeImgixJSClass: this.settings.includeImgixJSClass,\n      _gallery: this.settings._gallery,\n      _arrowNavigation: this.settings._arrowNavigation\n    });\n  }\n\n  _bindEvents() {\n    this.trigger.addEventListener(this.settings.openTrigger, this.open, false);\n\n    if (this.settings.closeWithEscape) {\n      window.addEventListener(\"keyup\", this._handleKeyup, false);\n    }\n  }\n\n  _bindCloseEvent() {\n    this.lightbox.el.addEventListener(\n      this.settings.closeTrigger,\n      this.close,\n      false\n    );\n  }\n\n  _unbindEvents() {\n    this.trigger.removeEventListener(\n      this.settings.openTrigger,\n      this.open,\n      false\n    );\n    if (this.lightbox.el) {\n      this.lightbox.el.removeEventListener(\n        this.settings.closeTrigger,\n        this.close,\n        false\n      );\n    }\n\n    if (this.settings.closeWithEscape) {\n      window.removeEventListener(\"keyup\", this._handleKeyup, false);\n    }\n  }\n\n  _handleKeyup(e) {\n    if (this.isOpen && e.keyCode === 27) {\n      this.close();\n    }\n  }\n\n  destroy() {\n    this._unbindEvents();\n    this.lightbox.destroy();\n  }\n}\n\nLuminous_Luminous.prototype[\"open\"] = Luminous_Luminous.prototype.open;\nLuminous_Luminous.prototype[\"close\"] = Luminous_Luminous.prototype.close;\nLuminous_Luminous.prototype[\"destroy\"] = Luminous_Luminous.prototype.destroy;\n\n// CONCATENATED MODULE: ./src/js/LuminousGallery.js\n\n\n\nclass LuminousGallery_LuminousGallery {\n  constructor(triggers, options = {}, luminousOpts = {}) {\n    let { arrowNavigation = true } = options;\n\n    this.settings = { arrowNavigation };\n\n    this.triggers = triggers;\n    this.luminousOpts = luminousOpts;\n    this.luminousOpts._gallery = this;\n    this.luminousOpts._arrowNavigation = this.settings.arrowNavigation;\n    this._constructLuminousInstances();\n  }\n\n  _constructLuminousInstances() {\n    this.luminousInstances = [];\n\n    const triggerLen = this.triggers.length;\n    for (let i = 0; i < triggerLen; i++) {\n      const trigger = this.triggers[i];\n      const lum = new Luminous_Luminous(trigger, this.luminousOpts);\n      this.luminousInstances.push(lum);\n    }\n  }\n\n  nextTrigger(trigger) {\n    const nextTriggerIndex =\n      Array.prototype.indexOf.call(this.triggers, trigger) + 1;\n\n    return nextTriggerIndex >= this.triggers.length\n      ? this.triggers[0]\n      : this.triggers[nextTriggerIndex];\n  }\n\n  previousTrigger(trigger) {\n    const prevTriggerIndex =\n      Array.prototype.indexOf.call(this.triggers, trigger) - 1;\n\n    return prevTriggerIndex < 0\n      ? this.triggers[this.triggers.length - 1]\n      : this.triggers[prevTriggerIndex];\n  }\n\n  destroy() {\n    this.luminousInstances.forEach(instance => instance.destroy());\n  }\n}\n\nLuminousGallery_LuminousGallery.prototype[\"destroy\"] = LuminousGallery_LuminousGallery.prototype.destroy;\n\n// CONCATENATED MODULE: ./src/js/lum-browser.js\n// This file is used for the standalone browser build\n\n\n\n\nwindow[\"LuminousGallery\"] = LuminousGallery_LuminousGallery;\nwindow[\"Luminous\"] = Luminous_Luminous;\n\n\n/***/ })\n/******/ ]);","import { isDOMElement, addClasses, removeClasses } from \"./util/dom\";\nimport Luminous from \"./Luminous\";\n\nexport default class LuminousGallery {\n  constructor(triggers, options = {}, luminousOpts = {}) {\n    let { arrowNavigation = true } = options;\n\n    this.settings = { arrowNavigation };\n\n    this.triggers = triggers;\n    this.luminousOpts = luminousOpts;\n    this.luminousOpts._gallery = this;\n    this.luminousOpts._arrowNavigation = this.settings.arrowNavigation;\n    this._constructLuminousInstances();\n  }\n\n  _constructLuminousInstances() {\n    this.luminousInstances = [];\n\n    const triggerLen = this.triggers.length;\n    for (let i = 0; i < triggerLen; i++) {\n      const trigger = this.triggers[i];\n      const lum = new Luminous(trigger, this.luminousOpts);\n      this.luminousInstances.push(lum);\n    }\n  }\n\n  nextTrigger(trigger) {\n    const nextTriggerIndex =\n      Array.prototype.indexOf.call(this.triggers, trigger) + 1;\n\n    return nextTriggerIndex >= this.triggers.length\n      ? this.triggers[0]\n      : this.triggers[nextTriggerIndex];\n  }\n\n  previousTrigger(trigger) {\n    const prevTriggerIndex =\n      Array.prototype.indexOf.call(this.triggers, trigger) - 1;\n\n    return prevTriggerIndex < 0\n      ? this.triggers[this.triggers.length - 1]\n      : this.triggers[prevTriggerIndex];\n  }\n\n  destroy() {\n    this.luminousInstances.forEach(instance => instance.destroy());\n  }\n}\n\nLuminousGallery.prototype[\"destroy\"] = LuminousGallery.prototype.destroy;\n","import { isDOMElement } from \"./util/dom\";\nimport injectBaseStylesheet from \"./injectBaseStylesheet\";\nimport Lightbox from \"./Lightbox\";\n\nexport default class Luminous {\n  constructor(trigger, options = {}) {\n    this.VERSION = \"2.2.1\";\n    this.destroy = this.destroy.bind(this);\n    this.open = this.open.bind(this);\n    this.close = this.close.bind(this);\n    this._handleKeyup = this._handleKeyup.bind(this);\n\n    this.isOpen = false;\n\n    this.trigger = trigger;\n\n    if (!isDOMElement(this.trigger)) {\n      throw new TypeError(\n        \"`new Luminous` requires a DOM element as its first argument.\"\n      );\n    }\n\n    // Prefix for generated element class names (e.g. `my-ns` will\n    // result in classes such as `my-ns-lightbox`. Default `lum-`\n    // prefixed classes will always be added as well.\n    const namespace = options[\"namespace\"] || null;\n    // Which attribute to pull the lightbox image source from.\n    const sourceAttribute = options[\"sourceAttribute\"] || \"href\";\n    // Captions can be a literal string, or a function that receives the Luminous instance's trigger element as an argument and returns a string. Supports HTML, so use caution when dealing with user input.\n    const caption = options[\"caption\"] || null;\n    // The event to listen to on the _trigger_ element: triggers opening.\n    const openTrigger = options[\"openTrigger\"] || \"click\";\n    // The event to listen to on the _lightbox_ element: triggers closing.\n    const closeTrigger = options[\"closeTrigger\"] || \"click\";\n    // Allow closing by pressing escape.\n    const closeWithEscape = options[\"closeWithEscape\"] || true;\n    // Automatically close when the page is scrolled.\n    const closeOnScroll = options[\"closeOnScroll\"] || false;\n    // A selector defining what to append the lightbox element to.\n    const appendToSelector = options[\"appendToSelector\"] || \"body\";\n    // If present (and a function), this will be called\n    // whenever the lightbox is opened.\n    const onOpen = options[\"onOpen\"] || null;\n    // If present (and a function), this will be called\n    // whenever the lightbox is closed.\n    const onClose = options[\"onClose\"] || null;\n    // When true, adds the `imgix-fluid` class to the `img`\n    // inside the lightbox. See https://github.com/imgix/imgix.js\n    // for more information.\n    const includeImgixJSClass = options[\"includeImgixJSClass\"] || false;\n    // Add base styles to the page. See the \"Theming\"\n    // section of README.md for more information.\n    const injectBaseStyles = options[\"injectBaseStyles\"] || true;\n    // Internal use only!\n    const _gallery = options[\"_gallery\"] || null;\n    const _arrowNavigation = options[\"_arrowNavigation\"] || null;\n\n    this.settings = {\n      namespace,\n      sourceAttribute,\n      caption,\n      openTrigger,\n      closeTrigger,\n      closeWithEscape,\n      closeOnScroll,\n      appendToSelector,\n      onOpen,\n      onClose,\n      includeImgixJSClass,\n      injectBaseStyles,\n      _gallery,\n      _arrowNavigation\n    };\n\n    if (this.settings.injectBaseStyles) {\n      injectBaseStylesheet();\n    }\n\n    this._buildLightbox();\n    this._bindEvents();\n  }\n\n  open(e) {\n    if (e && typeof e.preventDefault === \"function\") {\n      e.preventDefault();\n    }\n\n    let previouslyBuilt = this.lightbox.elementBuilt;\n\n    this.lightbox.open();\n\n    if (!previouslyBuilt) {\n      this._bindCloseEvent();\n    }\n\n    if (this.settings.closeOnScroll) {\n      window.addEventListener(\"scroll\", this.close, false);\n    }\n\n    const onOpen = this.settings.onOpen;\n    if (onOpen && typeof onOpen === \"function\") {\n      onOpen();\n    }\n\n    this.isOpen = true;\n  }\n\n  close(e) {\n    if (e && typeof e.preventDefault === \"function\") {\n      e.preventDefault();\n    }\n\n    if (this.settings.closeOnScroll) {\n      window.removeEventListener(\"scroll\", this.close, false);\n    }\n\n    this.lightbox.close();\n\n    const onClose = this.settings.onClose;\n    if (onClose && typeof onClose === \"function\") {\n      onClose();\n    }\n\n    this.isOpen = false;\n  }\n\n  _buildLightbox() {\n    this.lightbox = new Lightbox({\n      namespace: this.settings.namespace,\n      parentEl: document.querySelector(this.settings.appendToSelector),\n      triggerEl: this.trigger,\n      sourceAttribute: this.settings.sourceAttribute,\n      caption: this.settings.caption,\n      includeImgixJSClass: this.settings.includeImgixJSClass,\n      _gallery: this.settings._gallery,\n      _arrowNavigation: this.settings._arrowNavigation\n    });\n  }\n\n  _bindEvents() {\n    this.trigger.addEventListener(this.settings.openTrigger, this.open, false);\n\n    if (this.settings.closeWithEscape) {\n      window.addEventListener(\"keyup\", this._handleKeyup, false);\n    }\n  }\n\n  _bindCloseEvent() {\n    this.lightbox.el.addEventListener(\n      this.settings.closeTrigger,\n      this.close,\n      false\n    );\n  }\n\n  _unbindEvents() {\n    this.trigger.removeEventListener(\n      this.settings.openTrigger,\n      this.open,\n      false\n    );\n    if (this.lightbox.el) {\n      this.lightbox.el.removeEventListener(\n        this.settings.closeTrigger,\n        this.close,\n        false\n      );\n    }\n\n    if (this.settings.closeWithEscape) {\n      window.removeEventListener(\"keyup\", this._handleKeyup, false);\n    }\n  }\n\n  _handleKeyup(e) {\n    if (this.isOpen && e.keyCode === 27) {\n      this.close();\n    }\n  }\n\n  destroy() {\n    this._unbindEvents();\n    this.lightbox.destroy();\n  }\n}\n\nLuminous.prototype[\"open\"] = Luminous.prototype.open;\nLuminous.prototype[\"close\"] = Luminous.prototype.close;\nLuminous.prototype[\"destroy\"] = Luminous.prototype.destroy;\n","/* UNMINIFIED RULES\n\n@keyframes lum-noop {\n  0% { zoom: 1; }\n}\n\n.lum-lightbox {\n  position: fixed;\n  display: none;\n  top: 0;\n  right: 0;\n  bottom: 0;\n  left: 0;\n}\n\n.lum-lightbox.lum-open {\n  display: block;\n}\n\n.lum-lightbox.lum-opening, .lum-lightbox.lum-closing {\n  animation: lum-noop 1ms;\n}\n\n.lum-lightbox-inner {\n  position: absolute;\n  top: 0%;\n  right: 0%;\n  bottom: 0%;\n  left: 0%;\n\n  overflow: hidden;\n}\n\n.lum-lightbox-loader {\n  display: none;\n}\n\n.lum-lightbox-inner img {\n  max-width: 100%;\n  max-height: 100%;\n}\n\n.lum-lightbox-image-wrapper {\n  vertical-align: middle;\n  display: table-cell;\n  text-align: center;\n}\n*/\n\nconst RULES = `@keyframes lum-noop{0%{zoom:1}}.lum-lightbox{position:fixed;display:none;top:0;right:0;bottom:0;left:0}.lum-lightbox.lum-open{display:block}.lum-lightbox.lum-closing,.lum-lightbox.lum-opening{animation:lum-noop 1ms}.lum-lightbox-inner{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.lum-lightbox-loader{display:none}.lum-lightbox-inner img{max-width:100%;max-height:100%}.lum-lightbox-image-wrapper{vertical-align:middle;display:table-cell;text-align:center}`;\n\nexport default function injectBaseStylesheet() {\n  if (document.querySelector(\".lum-base-styles\")) {\n    return;\n  }\n\n  const styleEl = document.createElement(\"style\");\n  styleEl.type = \"text/css\";\n  styleEl.classList.add(\"lum-base-styles\");\n\n  styleEl.appendChild(document.createTextNode(RULES));\n\n  const head = document.head;\n  head.insertBefore(styleEl, head.firstChild);\n}\n","import { isDOMElement, addClasses, removeClasses } from \"./util/dom\";\nimport throwIfMissing from \"./util/throwIfMissing\";\n\nconst LEFT_ARROW = 37;\nconst RIGHT_ARROW = 39;\n\n// All officially-supported browsers have this, but it's easy to\n// account for, just in case.\nconst HAS_ANIMATION =\n  typeof document === \"undefined\"\n    ? false\n    : \"animation\" in document.createElement(\"div\").style;\n\nexport default class Lightbox {\n  constructor(options = {}) {\n    this._sizeImgWrapperEl = this._sizeImgWrapperEl.bind(this);\n    this.showNext = this.showNext.bind(this);\n    this.showPrevious = this.showPrevious.bind(this);\n    this._completeOpen = this._completeOpen.bind(this);\n    this._completeClose = this._completeClose.bind(this);\n    this._handleKeydown = this._handleKeydown.bind(this);\n\n    let {\n      namespace = null,\n      parentEl = throwIfMissing(),\n      triggerEl = throwIfMissing(),\n      sourceAttribute = throwIfMissing(),\n      caption = null,\n      includeImgixJSClass = false,\n      _gallery = null,\n      _arrowNavigation = null\n    } = options;\n\n    this.settings = {\n      namespace,\n      parentEl,\n      triggerEl,\n      sourceAttribute,\n      caption,\n      includeImgixJSClass,\n      _gallery,\n      _arrowNavigation\n    };\n\n    if (!isDOMElement(this.settings.parentEl)) {\n      throw new TypeError(\n        \"`new Lightbox` requires a DOM element passed as `parentEl`.\"\n      );\n    }\n\n    this.currentTrigger = this.settings.triggerEl;\n\n    this.openClasses = this._buildClasses(\"open\");\n    this.openingClasses = this._buildClasses(\"opening\");\n    this.closingClasses = this._buildClasses(\"closing\");\n\n    this.hasBeenLoaded = false;\n    this.elementBuilt = false;\n  }\n\n  _buildClasses(suffix) {\n    const classes = [`lum-${suffix}`];\n\n    const ns = this.settings.namespace;\n    if (ns) {\n      classes.push(`${ns}-${suffix}`);\n    }\n\n    return classes;\n  }\n\n  _buildElement() {\n    this.el = document.createElement(\"div\");\n    addClasses(this.el, this._buildClasses(\"lightbox\"));\n\n    this.innerEl = document.createElement(\"div\");\n    addClasses(this.innerEl, this._buildClasses(\"lightbox-inner\"));\n    this.el.appendChild(this.innerEl);\n\n    const loaderEl = document.createElement(\"div\");\n    addClasses(loaderEl, this._buildClasses(\"lightbox-loader\"));\n    this.innerEl.appendChild(loaderEl);\n\n    this.imgWrapperEl = document.createElement(\"div\");\n    addClasses(this.imgWrapperEl, this._buildClasses(\"lightbox-image-wrapper\"));\n    this.innerEl.appendChild(this.imgWrapperEl);\n\n    const positionHelperEl = document.createElement(\"span\");\n    addClasses(\n      positionHelperEl,\n      this._buildClasses(\"lightbox-position-helper\")\n    );\n    this.imgWrapperEl.appendChild(positionHelperEl);\n\n    this.imgEl = document.createElement(\"img\");\n    addClasses(this.imgEl, this._buildClasses(\"img\"));\n    positionHelperEl.appendChild(this.imgEl);\n\n    this.captionEl = document.createElement(\"p\");\n    addClasses(this.captionEl, this._buildClasses(\"lightbox-caption\"));\n    positionHelperEl.appendChild(this.captionEl);\n\n    if (this.settings._gallery) {\n      this._setUpGalleryElements();\n    }\n\n    this.settings.parentEl.appendChild(this.el);\n\n    this._updateImgSrc();\n    this._updateCaption();\n\n    if (this.settings.includeImgixJSClass) {\n      this.imgEl.classList.add(\"imgix-fluid\");\n    }\n  }\n\n  _setUpGalleryElements() {\n    this._buildGalleryButton(\"previous\", this.showPrevious);\n    this._buildGalleryButton(\"next\", this.showNext);\n  }\n\n  _buildGalleryButton(name, fn) {\n    const btn = document.createElement(\"button\");\n    this[`${name}Button`] = btn;\n\n    btn.innerText = name;\n    addClasses(btn, this._buildClasses(`${name}-button`));\n    addClasses(btn, this._buildClasses(\"gallery-button\"));\n    this.innerEl.appendChild(btn);\n\n    btn.addEventListener(\n      \"click\",\n      e => {\n        e.stopPropagation();\n\n        fn();\n      },\n      false\n    );\n  }\n\n  _sizeImgWrapperEl() {\n    const style = this.imgWrapperEl.style;\n    style.width = `${this.innerEl.clientWidth}px`;\n    style.maxWidth = `${this.innerEl.clientWidth}px`;\n    style.height = `${this.innerEl.clientHeight -\n      this.captionEl.clientHeight}px`;\n    style.maxHeight = `${this.innerEl.clientHeight -\n      this.captionEl.clientHeight}px`;\n  }\n\n  _updateCaption() {\n    const captionType = typeof this.settings.caption;\n    let caption = \"\";\n\n    if (captionType === \"string\") {\n      caption = this.settings.caption;\n    } else if (captionType === \"function\") {\n      caption = this.settings.caption(this.currentTrigger);\n    }\n\n    this.captionEl.innerHTML = caption;\n  }\n\n  _updateImgSrc() {\n    const imageURL = this.currentTrigger.getAttribute(\n      this.settings.sourceAttribute\n    );\n\n    if (!imageURL) {\n      throw new Error(\n        `No image URL was found in the ${\n          this.settings.sourceAttribute\n        } attribute of the trigger.`\n      );\n    }\n\n    let loadingClasses = this._buildClasses(\"loading\");\n\n    if (!this.hasBeenLoaded) {\n      addClasses(this.el, loadingClasses);\n    }\n\n    this.imgEl.onload = () => {\n      removeClasses(this.el, loadingClasses);\n      this.hasBeenLoaded = true;\n    };\n\n    this.imgEl.setAttribute(\"src\", imageURL);\n  }\n\n  _handleKeydown(e) {\n    if (e.keyCode == LEFT_ARROW) {\n      this.showPrevious();\n    } else if (e.keyCode == RIGHT_ARROW) {\n      this.showNext();\n    }\n  }\n\n  showNext() {\n    if (!this.settings._gallery) {\n      return;\n    }\n\n    this.currentTrigger = this.settings._gallery.nextTrigger(\n      this.currentTrigger\n    );\n    this._updateImgSrc();\n    this._updateCaption();\n    this._sizeImgWrapperEl();\n  }\n\n  showPrevious() {\n    if (!this.settings._gallery) {\n      return;\n    }\n\n    this.currentTrigger = this.settings._gallery.previousTrigger(\n      this.currentTrigger\n    );\n    this._updateImgSrc();\n    this._updateCaption();\n    this._sizeImgWrapperEl();\n  }\n\n  open() {\n    if (!this.elementBuilt) {\n      this._buildElement();\n      this.elementBuilt = true;\n    }\n\n    // When opening, always reset to the trigger we were passed\n    this.currentTrigger = this.settings.triggerEl;\n\n    // Make sure to re-set the `img` `src`, in case it's been changed\n    // by someone/something else.\n    this._updateImgSrc();\n    this._updateCaption();\n\n    addClasses(this.el, this.openClasses);\n\n    this._sizeImgWrapperEl();\n    window.addEventListener(\"resize\", this._sizeImgWrapperEl, false);\n\n    if (this.settings._arrowNavigation) {\n      window.addEventListener(\"keydown\", this._handleKeydown, false);\n    }\n\n    if (HAS_ANIMATION) {\n      this.el.addEventListener(\"animationend\", this._completeOpen, false);\n      addClasses(this.el, this.openingClasses);\n    }\n  }\n\n  close() {\n    window.removeEventListener(\"resize\", this._sizeImgWrapperEl, false);\n\n    if (this.settings._arrowNavigation) {\n      window.removeEventListener(\"keydown\", this._handleKeydown, false);\n    }\n\n    if (HAS_ANIMATION) {\n      this.el.addEventListener(\"animationend\", this._completeClose, false);\n      addClasses(this.el, this.closingClasses);\n    } else {\n      removeClasses(this.el, this.openClasses);\n    }\n  }\n\n  _completeOpen() {\n    this.el.removeEventListener(\"animationend\", this._completeOpen, false);\n\n    removeClasses(this.el, this.openingClasses);\n  }\n\n  _completeClose() {\n    this.el.removeEventListener(\"animationend\", this._completeClose, false);\n\n    removeClasses(this.el, this.openClasses);\n    removeClasses(this.el, this.closingClasses);\n  }\n\n  destroy() {\n    if (this.el) {\n      this.settings.parentEl.removeChild(this.el);\n    }\n  }\n}\n","// This is not really a perfect check, but works fine.\n// From http://stackoverflow.com/questions/384286\nconst HAS_DOM_2 = typeof HTMLElement === \"object\";\n\nexport function isDOMElement(obj) {\n  return HAS_DOM_2\n    ? obj instanceof HTMLElement\n    : obj &&\n        typeof obj === \"object\" &&\n        obj !== null &&\n        obj.nodeType === 1 &&\n        typeof obj.nodeName === \"string\";\n}\n\nexport function addClasses(el, classNames) {\n  classNames.forEach(function(className) {\n    el.classList.add(className);\n  });\n}\n\nexport function removeClasses(el, classNames) {\n  classNames.forEach(function(className) {\n    el.classList.remove(className);\n  });\n}\n","export default function throwIfMissing() {\n  throw new Error(\"Missing parameter\");\n}\n","// This file is used for the standalone browser build\n\nimport Luminous from \"./Luminous\";\nimport LuminousGallery from \"./LuminousGallery\";\n\nwindow[\"LuminousGallery\"] = LuminousGallery;\nwindow[\"Luminous\"] = Luminous;\n"],"sourceRoot":""}