X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=priv%2Fstatic%2Fpacks%2Fextra_polyfills.js.map;h=8427824b0a967523ba185e54ead57dd19d9026e3;hb=756bdef5f5a879d6a817d833e7b9428f8c7b0c22;hp=885e7bc30f18977b6aefea41138f7d1cbee6e061;hpb=de0c1c641a1709cf393aecc3ef666d827ef5ebde;p=akkoma

diff --git a/priv/static/packs/extra_polyfills.js.map b/priv/static/packs/extra_polyfills.js.map
index 885e7bc30..8427824b0 100644
--- a/priv/static/packs/extra_polyfills.js.map
+++ b/priv/static/packs/extra_polyfills.js.map
@@ -1 +1 @@
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'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages  from 'object-fit-images';\n\nobjectFitImages();\n","import 'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages  from 'object-fit-images';\n\nobjectFitImages();\n","/**\n * Copyright 2016 Google Inc. All Rights Reserved.\n *\n * Licensed under the W3C SOFTWARE AND DOCUMENT NOTICE AND LICENSE.\n *\n *  https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document\n *\n */\n\n(function(window, document) {\n'use strict';\n\n\n// Exits early if all IntersectionObserver and IntersectionObserverEntry\n// features are natively supported.\nif ('IntersectionObserver' in window &&\n    'IntersectionObserverEntry' in window &&\n    'intersectionRatio' in window.IntersectionObserverEntry.prototype) {\n\n  // Minimal polyfill for Edge 15's lack of `isIntersecting`\n  // See: https://github.com/w3c/IntersectionObserver/issues/211\n  if (!('isIntersecting' in window.IntersectionObserverEntry.prototype)) {\n    Object.defineProperty(window.IntersectionObserverEntry.prototype,\n      'isIntersecting', {\n      get: function () {\n        return this.intersectionRatio > 0;\n      }\n    });\n  }\n  return;\n}\n\n\n/**\n * An IntersectionObserver registry. This registry exists to hold a strong\n * reference to IntersectionObserver instances currently observing a target\n * element. Without this registry, instances without another reference may be\n * garbage collected.\n */\nvar registry = [];\n\n\n/**\n * Creates the global IntersectionObserverEntry constructor.\n * https://w3c.github.io/IntersectionObserver/#intersection-observer-entry\n * @param {Object} entry A dictionary of instance properties.\n * @constructor\n */\nfunction IntersectionObserverEntry(entry) {\n  this.time = entry.time;\n  this.target = entry.target;\n  this.rootBounds = entry.rootBounds;\n  this.boundingClientRect = entry.boundingClientRect;\n  this.intersectionRect = entry.intersectionRect || getEmptyRect();\n  this.isIntersecting = !!entry.intersectionRect;\n\n  // Calculates the intersection ratio.\n  var targetRect = this.boundingClientRect;\n  var targetArea = targetRect.width * targetRect.height;\n  var intersectionRect = this.intersectionRect;\n  var intersectionArea = intersectionRect.width * intersectionRect.height;\n\n  // Sets intersection ratio.\n  if (targetArea) {\n    // Round the intersection ratio to avoid floating point math issues:\n    // https://github.com/w3c/IntersectionObserver/issues/324\n    this.intersectionRatio = Number((intersectionArea / targetArea).toFixed(4));\n  } else {\n    // If area is zero and is intersecting, sets to 1, otherwise to 0\n    this.intersectionRatio = this.isIntersecting ? 1 : 0;\n  }\n}\n\n\n/**\n * Creates the global IntersectionObserver constructor.\n * https://w3c.github.io/IntersectionObserver/#intersection-observer-interface\n * @param {Function} callback The function to be invoked after intersection\n *     changes have queued. The function is not invoked if the queue has\n *     been emptied by calling the `takeRecords` method.\n * @param {Object=} opt_options Optional configuration options.\n * @constructor\n */\nfunction IntersectionObserver(callback, opt_options) {\n\n  var options = opt_options || {};\n\n  if (typeof callback != 'function') {\n    throw new Error('callback must be a function');\n  }\n\n  if (options.root && options.root.nodeType != 1) {\n    throw new Error('root must be an Element');\n  }\n\n  // Binds and throttles `this._checkForIntersections`.\n  this._checkForIntersections = throttle(\n      this._checkForIntersections.bind(this), this.THROTTLE_TIMEOUT);\n\n  // Private properties.\n  this._callback = callback;\n  this._observationTargets = [];\n  this._queuedEntries = [];\n  this._rootMarginValues = this._parseRootMargin(options.rootMargin);\n\n  // Public properties.\n  this.thresholds = this._initThresholds(options.threshold);\n  this.root = options.root || null;\n  this.rootMargin = this._rootMarginValues.map(function(margin) {\n    return margin.value + margin.unit;\n  }).join(' ');\n}\n\n\n/**\n * The minimum interval within which the document will be checked for\n * intersection changes.\n */\nIntersectionObserver.prototype.THROTTLE_TIMEOUT = 100;\n\n\n/**\n * The frequency in which the polyfill polls for intersection changes.\n * this can be updated on a per instance basis and must be set prior to\n * calling `observe` on the first target.\n */\nIntersectionObserver.prototype.POLL_INTERVAL = null;\n\n/**\n * Use a mutation observer on the root element\n * to detect intersection changes.\n */\nIntersectionObserver.prototype.USE_MUTATION_OBSERVER = true;\n\n\n/**\n * Starts observing a target element for intersection changes based on\n * the thresholds values.\n * @param {Element} target The DOM element to observe.\n */\nIntersectionObserver.prototype.observe = function(target) {\n  var isTargetAlreadyObserved = this._observationTargets.some(function(item) {\n    return item.element == target;\n  });\n\n  if (isTargetAlreadyObserved) {\n    return;\n  }\n\n  if (!(target && target.nodeType == 1)) {\n    throw new Error('target must be an Element');\n  }\n\n  this._registerInstance();\n  this._observationTargets.push({element: target, entry: null});\n  this._monitorIntersections();\n  this._checkForIntersections();\n};\n\n\n/**\n * Stops observing a target element for intersection changes.\n * @param {Element} target The DOM element to observe.\n */\nIntersectionObserver.prototype.unobserve = function(target) {\n  this._observationTargets =\n      this._observationTargets.filter(function(item) {\n\n    return item.element != target;\n  });\n  if (!this._observationTargets.length) {\n    this._unmonitorIntersections();\n    this._unregisterInstance();\n  }\n};\n\n\n/**\n * Stops observing all target elements for intersection changes.\n */\nIntersectionObserver.prototype.disconnect = function() {\n  this._observationTargets = [];\n  this._unmonitorIntersections();\n  this._unregisterInstance();\n};\n\n\n/**\n * Returns any queue entries that have not yet been reported to the\n * callback and clears the queue. This can be used in conjunction with the\n * callback to obtain the absolute most up-to-date intersection information.\n * @return {Array} The currently queued entries.\n */\nIntersectionObserver.prototype.takeRecords = function() {\n  var records = this._queuedEntries.slice();\n  this._queuedEntries = [];\n  return records;\n};\n\n\n/**\n * Accepts the threshold value from the user configuration object and\n * returns a sorted array of unique threshold values. If a value is not\n * between 0 and 1 and error is thrown.\n * @private\n * @param {Array|number=} opt_threshold An optional threshold value or\n *     a list of threshold values, defaulting to [0].\n * @return {Array} A sorted list of unique and valid threshold values.\n */\nIntersectionObserver.prototype._initThresholds = function(opt_threshold) {\n  var threshold = opt_threshold || [0];\n  if (!Array.isArray(threshold)) threshold = [threshold];\n\n  return threshold.sort().filter(function(t, i, a) {\n    if (typeof t != 'number' || isNaN(t) || t < 0 || t > 1) {\n      throw new Error('threshold must be a number between 0 and 1 inclusively');\n    }\n    return t !== a[i - 1];\n  });\n};\n\n\n/**\n * Accepts the rootMargin value from the user configuration object\n * and returns an array of the four margin values as an object containing\n * the value and unit properties. If any of the values are not properly\n * formatted or use a unit other than px or %, and error is thrown.\n * @private\n * @param {string=} opt_rootMargin An optional rootMargin value,\n *     defaulting to '0px'.\n * @return {Array<Object>} An array of margin objects with the keys\n *     value and unit.\n */\nIntersectionObserver.prototype._parseRootMargin = function(opt_rootMargin) {\n  var marginString = opt_rootMargin || '0px';\n  var margins = marginString.split(/\\s+/).map(function(margin) {\n    var parts = /^(-?\\d*\\.?\\d+)(px|%)$/.exec(margin);\n    if (!parts) {\n      throw new Error('rootMargin must be specified in pixels or percent');\n    }\n    return {value: parseFloat(parts[1]), unit: parts[2]};\n  });\n\n  // Handles shorthand.\n  margins[1] = margins[1] || margins[0];\n  margins[2] = margins[2] || margins[0];\n  margins[3] = margins[3] || margins[1];\n\n  return margins;\n};\n\n\n/**\n * Starts polling for intersection changes if the polling is not already\n * happening, and if the page's visibility state is visible.\n * @private\n */\nIntersectionObserver.prototype._monitorIntersections = function() {\n  if (!this._monitoringIntersections) {\n    this._monitoringIntersections = true;\n\n    // If a poll interval is set, use polling instead of listening to\n    // resize and scroll events or DOM mutations.\n    if (this.POLL_INTERVAL) {\n      this._monitoringInterval = setInterval(\n          this._checkForIntersections, this.POLL_INTERVAL);\n    }\n    else {\n      addEvent(window, 'resize', this._checkForIntersections, true);\n      addEvent(document, 'scroll', this._checkForIntersections, true);\n\n      if (this.USE_MUTATION_OBSERVER && 'MutationObserver' in window) {\n        this._domObserver = new MutationObserver(this._checkForIntersections);\n        this._domObserver.observe(document, {\n          attributes: true,\n          childList: true,\n          characterData: true,\n          subtree: true\n        });\n      }\n    }\n  }\n};\n\n\n/**\n * Stops polling for intersection changes.\n * @private\n */\nIntersectionObserver.prototype._unmonitorIntersections = function() {\n  if (this._monitoringIntersections) {\n    this._monitoringIntersections = false;\n\n    clearInterval(this._monitoringInterval);\n    this._monitoringInterval = null;\n\n    removeEvent(window, 'resize', this._checkForIntersections, true);\n    removeEvent(document, 'scroll', this._checkForIntersections, true);\n\n    if (this._domObserver) {\n      this._domObserver.disconnect();\n      this._domObserver = null;\n    }\n  }\n};\n\n\n/**\n * Scans each observation target for intersection changes and adds them\n * to the internal entries queue. If new entries are found, it\n * schedules the callback to be invoked.\n * @private\n */\nIntersectionObserver.prototype._checkForIntersections = function() {\n  var rootIsInDom = this._rootIsInDom();\n  var rootRect = rootIsInDom ? this._getRootRect() : getEmptyRect();\n\n  this._observationTargets.forEach(function(item) {\n    var target = item.element;\n    var targetRect = getBoundingClientRect(target);\n    var rootContainsTarget = this._rootContainsTarget(target);\n    var oldEntry = item.entry;\n    var intersectionRect = rootIsInDom && rootContainsTarget &&\n        this._computeTargetAndRootIntersection(target, rootRect);\n\n    var newEntry = item.entry = new IntersectionObserverEntry({\n      time: now(),\n      target: target,\n      boundingClientRect: targetRect,\n      rootBounds: rootRect,\n      intersectionRect: intersectionRect\n    });\n\n    if (!oldEntry) {\n      this._queuedEntries.push(newEntry);\n    } else if (rootIsInDom && rootContainsTarget) {\n      // If the new entry intersection ratio has crossed any of the\n      // thresholds, add a new entry.\n      if (this._hasCrossedThreshold(oldEntry, newEntry)) {\n        this._queuedEntries.push(newEntry);\n      }\n    } else {\n      // If the root is not in the DOM or target is not contained within\n      // root but the previous entry for this target had an intersection,\n      // add a new record indicating removal.\n      if (oldEntry && oldEntry.isIntersecting) {\n        this._queuedEntries.push(newEntry);\n      }\n    }\n  }, this);\n\n  if (this._queuedEntries.length) {\n    this._callback(this.takeRecords(), this);\n  }\n};\n\n\n/**\n * Accepts a target and root rect computes the intersection between then\n * following the algorithm in the spec.\n * TODO(philipwalton): at this time clip-path is not considered.\n * https://w3c.github.io/IntersectionObserver/#calculate-intersection-rect-algo\n * @param {Element} target The target DOM element\n * @param {Object} rootRect The bounding rect of the root after being\n *     expanded by the rootMargin value.\n * @return {?Object} The final intersection rect object or undefined if no\n *     intersection is found.\n * @private\n */\nIntersectionObserver.prototype._computeTargetAndRootIntersection =\n    function(target, rootRect) {\n\n  // If the element isn't displayed, an intersection can't happen.\n  if (window.getComputedStyle(target).display == 'none') return;\n\n  var targetRect = getBoundingClientRect(target);\n  var intersectionRect = targetRect;\n  var parent = getParentNode(target);\n  var atRoot = false;\n\n  while (!atRoot) {\n    var parentRect = null;\n    var parentComputedStyle = parent.nodeType == 1 ?\n        window.getComputedStyle(parent) : {};\n\n    // If the parent isn't displayed, an intersection can't happen.\n    if (parentComputedStyle.display == 'none') return;\n\n    if (parent == this.root || parent == document) {\n      atRoot = true;\n      parentRect = rootRect;\n    } else {\n      // If the element has a non-visible overflow, and it's not the <body>\n      // or <html> element, update the intersection rect.\n      // Note: <body> and <html> cannot be clipped to a rect that's not also\n      // the document rect, so no need to compute a new intersection.\n      if (parent != document.body &&\n          parent != document.documentElement &&\n          parentComputedStyle.overflow != 'visible') {\n        parentRect = getBoundingClientRect(parent);\n      }\n    }\n\n    // If either of the above conditionals set a new parentRect,\n    // calculate new intersection data.\n    if (parentRect) {\n      intersectionRect = computeRectIntersection(parentRect, intersectionRect);\n\n      if (!intersectionRect) break;\n    }\n    parent = getParentNode(parent);\n  }\n  return intersectionRect;\n};\n\n\n/**\n * Returns the root rect after being expanded by the rootMargin value.\n * @return {Object} The expanded root rect.\n * @private\n */\nIntersectionObserver.prototype._getRootRect = function() {\n  var rootRect;\n  if (this.root) {\n    rootRect = getBoundingClientRect(this.root);\n  } else {\n    // Use <html>/<body> instead of window since scroll bars affect size.\n    var html = document.documentElement;\n    var body = document.body;\n    rootRect = {\n      top: 0,\n      left: 0,\n      right: html.clientWidth || body.clientWidth,\n      width: html.clientWidth || body.clientWidth,\n      bottom: html.clientHeight || body.clientHeight,\n      height: html.clientHeight || body.clientHeight\n    };\n  }\n  return this._expandRectByRootMargin(rootRect);\n};\n\n\n/**\n * Accepts a rect and expands it by the rootMargin value.\n * @param {Object} rect The rect object to expand.\n * @return {Object} The expanded rect.\n * @private\n */\nIntersectionObserver.prototype._expandRectByRootMargin = function(rect) {\n  var margins = this._rootMarginValues.map(function(margin, i) {\n    return margin.unit == 'px' ? margin.value :\n        margin.value * (i % 2 ? rect.width : rect.height) / 100;\n  });\n  var newRect = {\n    top: rect.top - margins[0],\n    right: rect.right + margins[1],\n    bottom: rect.bottom + margins[2],\n    left: rect.left - margins[3]\n  };\n  newRect.width = newRect.right - newRect.left;\n  newRect.height = newRect.bottom - newRect.top;\n\n  return newRect;\n};\n\n\n/**\n * Accepts an old and new entry and returns true if at least one of the\n * threshold values has been crossed.\n * @param {?IntersectionObserverEntry} oldEntry The previous entry for a\n *    particular target element or null if no previous entry exists.\n * @param {IntersectionObserverEntry} newEntry The current entry for a\n *    particular target element.\n * @return {boolean} Returns true if a any threshold has been crossed.\n * @private\n */\nIntersectionObserver.prototype._hasCrossedThreshold =\n    function(oldEntry, newEntry) {\n\n  // To make comparing easier, an entry that has a ratio of 0\n  // but does not actually intersect is given a value of -1\n  var oldRatio = oldEntry && oldEntry.isIntersecting ?\n      oldEntry.intersectionRatio || 0 : -1;\n  var newRatio = newEntry.isIntersecting ?\n      newEntry.intersectionRatio || 0 : -1;\n\n  // Ignore unchanged ratios\n  if (oldRatio === newRatio) return;\n\n  for (var i = 0; i < this.thresholds.length; i++) {\n    var threshold = this.thresholds[i];\n\n    // Return true if an entry matches a threshold or if the new ratio\n    // and the old ratio are on the opposite sides of a threshold.\n    if (threshold == oldRatio || threshold == newRatio ||\n        threshold < oldRatio !== threshold < newRatio) {\n      return true;\n    }\n  }\n};\n\n\n/**\n * Returns whether or not the root element is an element and is in the DOM.\n * @return {boolean} True if the root element is an element and is in the DOM.\n * @private\n */\nIntersectionObserver.prototype._rootIsInDom = function() {\n  return !this.root || containsDeep(document, this.root);\n};\n\n\n/**\n * Returns whether or not the target element is a child of root.\n * @param {Element} target The target element to check.\n * @return {boolean} True if the target element is a child of root.\n * @private\n */\nIntersectionObserver.prototype._rootContainsTarget = function(target) {\n  return containsDeep(this.root || document, target);\n};\n\n\n/**\n * Adds the instance to the global IntersectionObserver registry if it isn't\n * already present.\n * @private\n */\nIntersectionObserver.prototype._registerInstance = function() {\n  if (registry.indexOf(this) < 0) {\n    registry.push(this);\n  }\n};\n\n\n/**\n * Removes the instance from the global IntersectionObserver registry.\n * @private\n */\nIntersectionObserver.prototype._unregisterInstance = function() {\n  var index = registry.indexOf(this);\n  if (index != -1) registry.splice(index, 1);\n};\n\n\n/**\n * Returns the result of the performance.now() method or null in browsers\n * that don't support the API.\n * @return {number} The elapsed time since the page was requested.\n */\nfunction now() {\n  return window.performance && performance.now && performance.now();\n}\n\n\n/**\n * Throttles a function and delays its execution, so it's only called at most\n * once within a given time period.\n * @param {Function} fn The function to throttle.\n * @param {number} timeout The amount of time that must pass before the\n *     function can be called again.\n * @return {Function} The throttled function.\n */\nfunction throttle(fn, timeout) {\n  var timer = null;\n  return function () {\n    if (!timer) {\n      timer = setTimeout(function() {\n        fn();\n        timer = null;\n      }, timeout);\n    }\n  };\n}\n\n\n/**\n * Adds an event handler to a DOM node ensuring cross-browser compatibility.\n * @param {Node} node The DOM node to add the event handler to.\n * @param {string} event The event name.\n * @param {Function} fn The event handler to add.\n * @param {boolean} opt_useCapture Optionally adds the even to the capture\n *     phase. Note: this only works in modern browsers.\n */\nfunction addEvent(node, event, fn, opt_useCapture) {\n  if (typeof node.addEventListener == 'function') {\n    node.addEventListener(event, fn, opt_useCapture || false);\n  }\n  else if (typeof node.attachEvent == 'function') {\n    node.attachEvent('on' + event, fn);\n  }\n}\n\n\n/**\n * Removes a previously added event handler from a DOM node.\n * @param {Node} node The DOM node to remove the event handler from.\n * @param {string} event The event name.\n * @param {Function} fn The event handler to remove.\n * @param {boolean} opt_useCapture If the event handler was added with this\n *     flag set to true, it should be set to true here in order to remove it.\n */\nfunction removeEvent(node, event, fn, opt_useCapture) {\n  if (typeof node.removeEventListener == 'function') {\n    node.removeEventListener(event, fn, opt_useCapture || false);\n  }\n  else if (typeof node.detatchEvent == 'function') {\n    node.detatchEvent('on' + event, fn);\n  }\n}\n\n\n/**\n * Returns the intersection between two rect objects.\n * @param {Object} rect1 The first rect.\n * @param {Object} rect2 The second rect.\n * @return {?Object} The intersection rect or undefined if no intersection\n *     is found.\n */\nfunction computeRectIntersection(rect1, rect2) {\n  var top = Math.max(rect1.top, rect2.top);\n  var bottom = Math.min(rect1.bottom, rect2.bottom);\n  var left = Math.max(rect1.left, rect2.left);\n  var right = Math.min(rect1.right, rect2.right);\n  var width = right - left;\n  var height = bottom - top;\n\n  return (width >= 0 && height >= 0) && {\n    top: top,\n    bottom: bottom,\n    left: left,\n    right: right,\n    width: width,\n    height: height\n  };\n}\n\n\n/**\n * Shims the native getBoundingClientRect for compatibility with older IE.\n * @param {Element} el The element whose bounding rect to get.\n * @return {Object} The (possibly shimmed) rect of the element.\n */\nfunction getBoundingClientRect(el) {\n  var rect;\n\n  try {\n    rect = el.getBoundingClientRect();\n  } catch (err) {\n    // Ignore Windows 7 IE11 \"Unspecified error\"\n    // https://github.com/w3c/IntersectionObserver/pull/205\n  }\n\n  if (!rect) return getEmptyRect();\n\n  // Older IE\n  if (!(rect.width && rect.height)) {\n    rect = {\n      top: rect.top,\n      right: rect.right,\n      bottom: rect.bottom,\n      left: rect.left,\n      width: rect.right - rect.left,\n      height: rect.bottom - rect.top\n    };\n  }\n  return rect;\n}\n\n\n/**\n * Returns an empty rect object. An empty rect is returned when an element\n * is not in the DOM.\n * @return {Object} The empty rect.\n */\nfunction getEmptyRect() {\n  return {\n    top: 0,\n    bottom: 0,\n    left: 0,\n    right: 0,\n    width: 0,\n    height: 0\n  };\n}\n\n/**\n * Checks to see if a parent element contains a child element (including inside\n * shadow DOM).\n * @param {Node} parent The parent element.\n * @param {Node} child The child element.\n * @return {boolean} True if the parent node contains the child node.\n */\nfunction containsDeep(parent, child) {\n  var node = child;\n  while (node) {\n    if (node == parent) return true;\n\n    node = getParentNode(node);\n  }\n  return false;\n}\n\n\n/**\n * Gets the parent node of an element or its host element if the parent node\n * is a shadow root.\n * @param {Node} node The node whose parent to get.\n * @return {Node|null} The parent node or null if no parent exists.\n */\nfunction getParentNode(node) {\n  var parent = node.parentNode;\n\n  if (parent && parent.nodeType == 11 && parent.host) {\n    // If the parent is a shadow root, return the host element.\n    return parent.host;\n  }\n  return parent;\n}\n\n\n// Exposes the constructors globally.\nwindow.IntersectionObserver = IntersectionObserver;\nwindow.IntersectionObserverEntry = IntersectionObserverEntry;\n\n}(window, document));\n","(function (factory) {\n\tif (typeof define === 'function' && define.amd) {\n\t\tdefine([], factory);\n\t} else if (typeof module === 'object' && module.exports) {\n\t\tmodule.exports = factory();\n\t} else {\n\t\twindow.idleCallbackShim = factory();\n\t}\n}(function(){\n\t'use strict';\n\tvar scheduleStart, throttleDelay, lazytimer, lazyraf;\n\tvar root = typeof window != 'undefined' ?\n\t\twindow :\n\t\ttypeof global != undefined ?\n\t\t\tglobal :\n\t\t\tthis || {};\n\tvar requestAnimationFrame = root.cancelRequestAnimationFrame && root.requestAnimationFrame || setTimeout;\n\tvar cancelRequestAnimationFrame = root.cancelRequestAnimationFrame || clearTimeout;\n\tvar tasks = [];\n\tvar runAttempts = 0;\n\tvar isRunning = false;\n\tvar remainingTime = 7;\n\tvar minThrottle = 35;\n\tvar throttle = 125;\n\tvar index = 0;\n\tvar taskStart = 0;\n\tvar tasklength = 0;\n\tvar IdleDeadline = {\n\t\tget didTimeout(){\n\t\t\treturn false;\n\t\t},\n\t\ttimeRemaining: function(){\n\t\t\tvar timeRemaining = remainingTime - (Date.now() - taskStart);\n\t\t\treturn timeRemaining < 0 ? 0 : timeRemaining;\n\t\t},\n\t};\n\tvar setInactive = debounce(function(){\n\t\tremainingTime = 22;\n\t\tthrottle = 66;\n\t\tminThrottle = 0;\n\t});\n\n\tfunction debounce(fn){\n\t\tvar id, timestamp;\n\t\tvar wait = 99;\n\t\tvar check = function(){\n\t\t\tvar last = (Date.now()) - timestamp;\n\n\t\t\tif (last < wait) {\n\t\t\t\tid = setTimeout(check, wait - last);\n\t\t\t} else {\n\t\t\t\tid = null;\n\t\t\t\tfn();\n\t\t\t}\n\t\t};\n\t\treturn function(){\n\t\t\ttimestamp = Date.now();\n\t\t\tif(!id){\n\t\t\t\tid = setTimeout(check, wait);\n\t\t\t}\n\t\t};\n\t}\n\n\tfunction abortRunning(){\n\t\tif(isRunning){\n\t\t\tif(lazyraf){\n\t\t\t\tcancelRequestAnimationFrame(lazyraf);\n\t\t\t}\n\t\t\tif(lazytimer){\n\t\t\t\tclearTimeout(lazytimer);\n\t\t\t}\n\t\t\tisRunning = false;\n\t\t}\n\t}\n\n\tfunction onInputorMutation(){\n\t\tif(throttle != 125){\n\t\t\tremainingTime = 7;\n\t\t\tthrottle = 125;\n\t\t\tminThrottle = 35;\n\n\t\t\tif(isRunning) {\n\t\t\t\tabortRunning();\n\t\t\t\tscheduleLazy();\n\t\t\t}\n\t\t}\n\t\tsetInactive();\n\t}\n\n\tfunction scheduleAfterRaf() {\n\t\tlazyraf = null;\n\t\tlazytimer = setTimeout(runTasks, 0);\n\t}\n\n\tfunction scheduleRaf(){\n\t\tlazytimer = null;\n\t\trequestAnimationFrame(scheduleAfterRaf);\n\t}\n\n\tfunction scheduleLazy(){\n\n\t\tif(isRunning){return;}\n\t\tthrottleDelay = throttle - (Date.now() - taskStart);\n\n\t\tscheduleStart = Date.now();\n\n\t\tisRunning = true;\n\n\t\tif(minThrottle && throttleDelay < minThrottle){\n\t\t\tthrottleDelay = minThrottle;\n\t\t}\n\n\t\tif(throttleDelay > 9){\n\t\t\tlazytimer = setTimeout(scheduleRaf, throttleDelay);\n\t\t} else {\n\t\t\tthrottleDelay = 0;\n\t\t\tscheduleRaf();\n\t\t}\n\t}\n\n\tfunction runTasks(){\n\t\tvar task, i, len;\n\t\tvar timeThreshold = remainingTime > 9 ?\n\t\t\t9 :\n\t\t\t1\n\t\t;\n\n\t\ttaskStart = Date.now();\n\t\tisRunning = false;\n\n\t\tlazytimer = null;\n\n\t\tif(runAttempts > 2 || taskStart - throttleDelay - 50 < scheduleStart){\n\t\t\tfor(i = 0, len = tasks.length; i < len && IdleDeadline.timeRemaining() > timeThreshold; i++){\n\t\t\t\ttask = tasks.shift();\n\t\t\t\ttasklength++;\n\t\t\t\tif(task){\n\t\t\t\t\ttask(IdleDeadline);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif(tasks.length){\n\t\t\tscheduleLazy();\n\t\t} else {\n\t\t\trunAttempts = 0;\n\t\t}\n\t}\n\n\tfunction requestIdleCallbackShim(task){\n\t\tindex++;\n\t\ttasks.push(task);\n\t\tscheduleLazy();\n\t\treturn index;\n\t}\n\n\tfunction cancelIdleCallbackShim(id){\n\t\tvar index = id - 1 - tasklength;\n\t\tif(tasks[index]){\n\t\t\ttasks[index] = null;\n\t\t}\n\t}\n\n\tif(!root.requestIdleCallback || !root.cancelIdleCallback){\n\t\troot.requestIdleCallback = requestIdleCallbackShim;\n\t\troot.cancelIdleCallback = cancelIdleCallbackShim;\n\n\t\tif(root.document && document.addEventListener){\n\t\t\troot.addEventListener('scroll', onInputorMutation, true);\n\t\t\troot.addEventListener('resize', onInputorMutation);\n\n\t\t\tdocument.addEventListener('focus', onInputorMutation, true);\n\t\t\tdocument.addEventListener('mouseover', onInputorMutation, true);\n\t\t\t['click', 'keypress', 'touchstart', 'mousedown'].forEach(function(name){\n\t\t\t\tdocument.addEventListener(name, onInputorMutation, {capture: true, passive: true});\n\t\t\t});\n\n\t\t\tif(root.MutationObserver){\n\t\t\t\tnew MutationObserver( onInputorMutation ).observe( document.documentElement, {childList: true, subtree: true, attributes: true} );\n\t\t\t}\n\t\t}\n\t} else {\n\t\ttry{\n\t\t\troot.requestIdleCallback(function(){}, {timeout: 0});\n\t\t} catch(e){\n\t\t\t(function(rIC){\n\t\t\t\tvar timeRemainingProto, timeRemaining;\n\t\t\t\troot.requestIdleCallback = function(fn, timeout){\n\t\t\t\t\tif(timeout && typeof timeout.timeout == 'number'){\n\t\t\t\t\t\treturn rIC(fn, timeout.timeout);\n\t\t\t\t\t}\n\t\t\t\t\treturn rIC(fn);\n\t\t\t\t};\n\t\t\t\tif(root.IdleCallbackDeadline && (timeRemainingProto = IdleCallbackDeadline.prototype)){\n\t\t\t\t\ttimeRemaining = Object.getOwnPropertyDescriptor(timeRemainingProto, 'timeRemaining');\n\t\t\t\t\tif(!timeRemaining || !timeRemaining.configurable || !timeRemaining.get){return;}\n\t\t\t\t\tObject.defineProperty(timeRemainingProto, 'timeRemaining', {\n\t\t\t\t\t\tvalue:  function(){\n\t\t\t\t\t\t\treturn timeRemaining.get.call(this);\n\t\t\t\t\t\t},\n\t\t\t\t\t\tenumerable: true,\n\t\t\t\t\t\tconfigurable: true,\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t})(root.requestIdleCallback)\n\t\t}\n\t}\n\n\treturn {\n\t\trequest: requestIdleCallbackShim,\n\t\tcancel: cancelIdleCallbackShim,\n\t};\n}));\n","/*! npm.im/object-fit-images 3.2.4 */\n'use strict';\n\nvar OFI = 'bfred-it:object-fit-images';\nvar propRegex = /(object-fit|object-position)\\s*:\\s*([-.\\w\\s%]+)/g;\nvar testImg = typeof Image === 'undefined' ? {style: {'object-position': 1}} : new Image();\nvar supportsObjectFit = 'object-fit' in testImg.style;\nvar supportsObjectPosition = 'object-position' in testImg.style;\nvar supportsOFI = 'background-size' in testImg.style;\nvar supportsCurrentSrc = typeof testImg.currentSrc === 'string';\nvar nativeGetAttribute = testImg.getAttribute;\nvar nativeSetAttribute = testImg.setAttribute;\nvar autoModeEnabled = false;\n\nfunction createPlaceholder(w, h) {\n\treturn (\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='\" + w + \"' height='\" + h + \"'%3E%3C/svg%3E\");\n}\n\nfunction polyfillCurrentSrc(el) {\n\tif (el.srcset && !supportsCurrentSrc && window.picturefill) {\n\t\tvar pf = window.picturefill._;\n\t\t// parse srcset with picturefill where currentSrc isn't available\n\t\tif (!el[pf.ns] || !el[pf.ns].evaled) {\n\t\t\t// force synchronous srcset parsing\n\t\t\tpf.fillImg(el, {reselect: true});\n\t\t}\n\n\t\tif (!el[pf.ns].curSrc) {\n\t\t\t// force picturefill to parse srcset\n\t\t\tel[pf.ns].supported = false;\n\t\t\tpf.fillImg(el, {reselect: true});\n\t\t}\n\n\t\t// retrieve parsed currentSrc, if any\n\t\tel.currentSrc = el[pf.ns].curSrc || el.src;\n\t}\n}\n\nfunction getStyle(el) {\n\tvar style = getComputedStyle(el).fontFamily;\n\tvar parsed;\n\tvar props = {};\n\twhile ((parsed = propRegex.exec(style)) !== null) {\n\t\tprops[parsed[1]] = parsed[2];\n\t}\n\treturn props;\n}\n\nfunction setPlaceholder(img, width, height) {\n\t// Default: fill width, no height\n\tvar placeholder = createPlaceholder(width || 1, height || 0);\n\n\t// Only set placeholder if it's different\n\tif (nativeGetAttribute.call(img, 'src') !== placeholder) {\n\t\tnativeSetAttribute.call(img, 'src', placeholder);\n\t}\n}\n\nfunction onImageReady(img, callback) {\n\t// naturalWidth is only available when the image headers are loaded,\n\t// this loop will poll it every 100ms.\n\tif (img.naturalWidth) {\n\t\tcallback(img);\n\t} else {\n\t\tsetTimeout(onImageReady, 100, img, callback);\n\t}\n}\n\nfunction fixOne(el) {\n\tvar style = getStyle(el);\n\tvar ofi = el[OFI];\n\tstyle['object-fit'] = style['object-fit'] || 'fill'; // default value\n\n\t// Avoid running where unnecessary, unless OFI had already done its deed\n\tif (!ofi.img) {\n\t\t// fill is the default behavior so no action is necessary\n\t\tif (style['object-fit'] === 'fill') {\n\t\t\treturn;\n\t\t}\n\n\t\t// Where object-fit is supported and object-position isn't (Safari < 10)\n\t\tif (\n\t\t\t!ofi.skipTest && // unless user wants to apply regardless of browser support\n\t\t\tsupportsObjectFit && // if browser already supports object-fit\n\t\t\t!style['object-position'] // unless object-position is used\n\t\t) {\n\t\t\treturn;\n\t\t}\n\t}\n\n\t// keep a clone in memory while resetting the original to a blank\n\tif (!ofi.img) {\n\t\tofi.img = new Image(el.width, el.height);\n\t\tofi.img.srcset = nativeGetAttribute.call(el, \"data-ofi-srcset\") || el.srcset;\n\t\tofi.img.src = nativeGetAttribute.call(el, \"data-ofi-src\") || el.src;\n\n\t\t// preserve for any future cloneNode calls\n\t\t// https://github.com/bfred-it/object-fit-images/issues/53\n\t\tnativeSetAttribute.call(el, \"data-ofi-src\", el.src);\n\t\tif (el.srcset) {\n\t\t\tnativeSetAttribute.call(el, \"data-ofi-srcset\", el.srcset);\n\t\t}\n\n\t\tsetPlaceholder(el, el.naturalWidth || el.width, el.naturalHeight || el.height);\n\n\t\t// remove srcset because it overrides src\n\t\tif (el.srcset) {\n\t\t\tel.srcset = '';\n\t\t}\n\t\ttry {\n\t\t\tkeepSrcUsable(el);\n\t\t} catch (err) {\n\t\t\tif (window.console) {\n\t\t\t\tconsole.warn('https://bit.ly/ofi-old-browser');\n\t\t\t}\n\t\t}\n\t}\n\n\tpolyfillCurrentSrc(ofi.img);\n\n\tel.style.backgroundImage = \"url(\\\"\" + ((ofi.img.currentSrc || ofi.img.src).replace(/\"/g, '\\\\\"')) + \"\\\")\";\n\tel.style.backgroundPosition = style['object-position'] || 'center';\n\tel.style.backgroundRepeat = 'no-repeat';\n\tel.style.backgroundOrigin = 'content-box';\n\n\tif (/scale-down/.test(style['object-fit'])) {\n\t\tonImageReady(ofi.img, function () {\n\t\t\tif (ofi.img.naturalWidth > el.width || ofi.img.naturalHeight > el.height) {\n\t\t\t\tel.style.backgroundSize = 'contain';\n\t\t\t} else {\n\t\t\t\tel.style.backgroundSize = 'auto';\n\t\t\t}\n\t\t});\n\t} else {\n\t\tel.style.backgroundSize = style['object-fit'].replace('none', 'auto').replace('fill', '100% 100%');\n\t}\n\n\tonImageReady(ofi.img, function (img) {\n\t\tsetPlaceholder(el, img.naturalWidth, img.naturalHeight);\n\t});\n}\n\nfunction keepSrcUsable(el) {\n\tvar descriptors = {\n\t\tget: function get(prop) {\n\t\t\treturn el[OFI].img[prop ? prop : 'src'];\n\t\t},\n\t\tset: function set(value, prop) {\n\t\t\tel[OFI].img[prop ? prop : 'src'] = value;\n\t\t\tnativeSetAttribute.call(el, (\"data-ofi-\" + prop), value); // preserve for any future cloneNode\n\t\t\tfixOne(el);\n\t\t\treturn value;\n\t\t}\n\t};\n\tObject.defineProperty(el, 'src', descriptors);\n\tObject.defineProperty(el, 'currentSrc', {\n\t\tget: function () { return descriptors.get('currentSrc'); }\n\t});\n\tObject.defineProperty(el, 'srcset', {\n\t\tget: function () { return descriptors.get('srcset'); },\n\t\tset: function (ss) { return descriptors.set(ss, 'srcset'); }\n\t});\n}\n\nfunction hijackAttributes() {\n\tfunction getOfiImageMaybe(el, name) {\n\t\treturn el[OFI] && el[OFI].img && (name === 'src' || name === 'srcset') ? el[OFI].img : el;\n\t}\n\tif (!supportsObjectPosition) {\n\t\tHTMLImageElement.prototype.getAttribute = function (name) {\n\t\t\treturn nativeGetAttribute.call(getOfiImageMaybe(this, name), name);\n\t\t};\n\n\t\tHTMLImageElement.prototype.setAttribute = function (name, value) {\n\t\t\treturn nativeSetAttribute.call(getOfiImageMaybe(this, name), name, String(value));\n\t\t};\n\t}\n}\n\nfunction fix(imgs, opts) {\n\tvar startAutoMode = !autoModeEnabled && !imgs;\n\topts = opts || {};\n\timgs = imgs || 'img';\n\n\tif ((supportsObjectPosition && !opts.skipTest) || !supportsOFI) {\n\t\treturn false;\n\t}\n\n\t// use imgs as a selector or just select all images\n\tif (imgs === 'img') {\n\t\timgs = document.getElementsByTagName('img');\n\t} else if (typeof imgs === 'string') {\n\t\timgs = document.querySelectorAll(imgs);\n\t} else if (!('length' in imgs)) {\n\t\timgs = [imgs];\n\t}\n\n\t// apply fix to all\n\tfor (var i = 0; i < imgs.length; i++) {\n\t\timgs[i][OFI] = imgs[i][OFI] || {\n\t\t\tskipTest: opts.skipTest\n\t\t};\n\t\tfixOne(imgs[i]);\n\t}\n\n\tif (startAutoMode) {\n\t\tdocument.body.addEventListener('load', function (e) {\n\t\t\tif (e.target.tagName === 'IMG') {\n\t\t\t\tfix(e.target, {\n\t\t\t\t\tskipTest: opts.skipTest\n\t\t\t\t});\n\t\t\t}\n\t\t}, true);\n\t\tautoModeEnabled = true;\n\t\timgs = 'img'; // reset to a generic selector for watchMQ\n\t}\n\n\t// if requested, watch media queries for object-fit change\n\tif (opts.watchMQ) {\n\t\twindow.addEventListener('resize', fix.bind(null, imgs, {\n\t\t\tskipTest: opts.skipTest\n\t\t}));\n\t}\n}\n\nfix.supportsObjectFit = supportsObjectFit;\nfix.supportsObjectPosition = supportsObjectPosition;\n\nhijackAttributes();\n\nmodule.exports = fix;\n"],"sourceRoot":""}
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'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages  from 'object-fit-images';\n\nobjectFitImages();\n","import 'intersection-observer';\nimport 'requestidlecallback';\nimport objectFitImages  from 'object-fit-images';\n\nobjectFitImages();\n","/**\n * Copyright 2016 Google Inc. All Rights Reserved.\n *\n * Licensed under the W3C SOFTWARE AND DOCUMENT NOTICE AND LICENSE.\n *\n *  https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document\n *\n */\n(function (window, document) {\n  'use strict'; // Exits early if all IntersectionObserver and IntersectionObserverEntry\n  // features are natively supported.\n\n  if ('IntersectionObserver' in window && 'IntersectionObserverEntry' in window && 'intersectionRatio' in window.IntersectionObserverEntry.prototype) {\n    // Minimal polyfill for Edge 15's lack of `isIntersecting`\n    // See: https://github.com/w3c/IntersectionObserver/issues/211\n    if (!('isIntersecting' in window.IntersectionObserverEntry.prototype)) {\n      Object.defineProperty(window.IntersectionObserverEntry.prototype, 'isIntersecting', {\n        get: function get() {\n          return this.intersectionRatio > 0;\n        }\n      });\n    }\n\n    return;\n  }\n  /**\n   * An IntersectionObserver registry. This registry exists to hold a strong\n   * reference to IntersectionObserver instances currently observing a target\n   * element. Without this registry, instances without another reference may be\n   * garbage collected.\n   */\n\n\n  var registry = [];\n  /**\n   * Creates the global IntersectionObserverEntry constructor.\n   * https://w3c.github.io/IntersectionObserver/#intersection-observer-entry\n   * @param {Object} entry A dictionary of instance properties.\n   * @constructor\n   */\n\n  function IntersectionObserverEntry(entry) {\n    this.time = entry.time;\n    this.target = entry.target;\n    this.rootBounds = entry.rootBounds;\n    this.boundingClientRect = entry.boundingClientRect;\n    this.intersectionRect = entry.intersectionRect || getEmptyRect();\n    this.isIntersecting = !!entry.intersectionRect; // Calculates the intersection ratio.\n\n    var targetRect = this.boundingClientRect;\n    var targetArea = targetRect.width * targetRect.height;\n    var intersectionRect = this.intersectionRect;\n    var intersectionArea = intersectionRect.width * intersectionRect.height; // Sets intersection ratio.\n\n    if (targetArea) {\n      // Round the intersection ratio to avoid floating point math issues:\n      // https://github.com/w3c/IntersectionObserver/issues/324\n      this.intersectionRatio = Number((intersectionArea / targetArea).toFixed(4));\n    } else {\n      // If area is zero and is intersecting, sets to 1, otherwise to 0\n      this.intersectionRatio = this.isIntersecting ? 1 : 0;\n    }\n  }\n  /**\n   * Creates the global IntersectionObserver constructor.\n   * https://w3c.github.io/IntersectionObserver/#intersection-observer-interface\n   * @param {Function} callback The function to be invoked after intersection\n   *     changes have queued. The function is not invoked if the queue has\n   *     been emptied by calling the `takeRecords` method.\n   * @param {Object=} opt_options Optional configuration options.\n   * @constructor\n   */\n\n\n  function IntersectionObserver(callback, opt_options) {\n    var options = opt_options || {};\n\n    if (typeof callback != 'function') {\n      throw new Error('callback must be a function');\n    }\n\n    if (options.root && options.root.nodeType != 1) {\n      throw new Error('root must be an Element');\n    } // Binds and throttles `this._checkForIntersections`.\n\n\n    this._checkForIntersections = throttle(this._checkForIntersections.bind(this), this.THROTTLE_TIMEOUT); // Private properties.\n\n    this._callback = callback;\n    this._observationTargets = [];\n    this._queuedEntries = [];\n    this._rootMarginValues = this._parseRootMargin(options.rootMargin); // Public properties.\n\n    this.thresholds = this._initThresholds(options.threshold);\n    this.root = options.root || null;\n    this.rootMargin = this._rootMarginValues.map(function (margin) {\n      return margin.value + margin.unit;\n    }).join(' ');\n  }\n  /**\n   * The minimum interval within which the document will be checked for\n   * intersection changes.\n   */\n\n\n  IntersectionObserver.prototype.THROTTLE_TIMEOUT = 100;\n  /**\n   * The frequency in which the polyfill polls for intersection changes.\n   * this can be updated on a per instance basis and must be set prior to\n   * calling `observe` on the first target.\n   */\n\n  IntersectionObserver.prototype.POLL_INTERVAL = null;\n  /**\n   * Use a mutation observer on the root element\n   * to detect intersection changes.\n   */\n\n  IntersectionObserver.prototype.USE_MUTATION_OBSERVER = true;\n  /**\n   * Starts observing a target element for intersection changes based on\n   * the thresholds values.\n   * @param {Element} target The DOM element to observe.\n   */\n\n  IntersectionObserver.prototype.observe = function (target) {\n    var isTargetAlreadyObserved = this._observationTargets.some(function (item) {\n      return item.element == target;\n    });\n\n    if (isTargetAlreadyObserved) {\n      return;\n    }\n\n    if (!(target && target.nodeType == 1)) {\n      throw new Error('target must be an Element');\n    }\n\n    this._registerInstance();\n\n    this._observationTargets.push({\n      element: target,\n      entry: null\n    });\n\n    this._monitorIntersections();\n\n    this._checkForIntersections();\n  };\n  /**\n   * Stops observing a target element for intersection changes.\n   * @param {Element} target The DOM element to observe.\n   */\n\n\n  IntersectionObserver.prototype.unobserve = function (target) {\n    this._observationTargets = this._observationTargets.filter(function (item) {\n      return item.element != target;\n    });\n\n    if (!this._observationTargets.length) {\n      this._unmonitorIntersections();\n\n      this._unregisterInstance();\n    }\n  };\n  /**\n   * Stops observing all target elements for intersection changes.\n   */\n\n\n  IntersectionObserver.prototype.disconnect = function () {\n    this._observationTargets = [];\n\n    this._unmonitorIntersections();\n\n    this._unregisterInstance();\n  };\n  /**\n   * Returns any queue entries that have not yet been reported to the\n   * callback and clears the queue. This can be used in conjunction with the\n   * callback to obtain the absolute most up-to-date intersection information.\n   * @return {Array} The currently queued entries.\n   */\n\n\n  IntersectionObserver.prototype.takeRecords = function () {\n    var records = this._queuedEntries.slice();\n\n    this._queuedEntries = [];\n    return records;\n  };\n  /**\n   * Accepts the threshold value from the user configuration object and\n   * returns a sorted array of unique threshold values. If a value is not\n   * between 0 and 1 and error is thrown.\n   * @private\n   * @param {Array|number=} opt_threshold An optional threshold value or\n   *     a list of threshold values, defaulting to [0].\n   * @return {Array} A sorted list of unique and valid threshold values.\n   */\n\n\n  IntersectionObserver.prototype._initThresholds = function (opt_threshold) {\n    var threshold = opt_threshold || [0];\n    if (!Array.isArray(threshold)) threshold = [threshold];\n    return threshold.sort().filter(function (t, i, a) {\n      if (typeof t != 'number' || isNaN(t) || t < 0 || t > 1) {\n        throw new Error('threshold must be a number between 0 and 1 inclusively');\n      }\n\n      return t !== a[i - 1];\n    });\n  };\n  /**\n   * Accepts the rootMargin value from the user configuration object\n   * and returns an array of the four margin values as an object containing\n   * the value and unit properties. If any of the values are not properly\n   * formatted or use a unit other than px or %, and error is thrown.\n   * @private\n   * @param {string=} opt_rootMargin An optional rootMargin value,\n   *     defaulting to '0px'.\n   * @return {Array<Object>} An array of margin objects with the keys\n   *     value and unit.\n   */\n\n\n  IntersectionObserver.prototype._parseRootMargin = function (opt_rootMargin) {\n    var marginString = opt_rootMargin || '0px';\n    var margins = marginString.split(/\\s+/).map(function (margin) {\n      var parts = /^(-?\\d*\\.?\\d+)(px|%)$/.exec(margin);\n\n      if (!parts) {\n        throw new Error('rootMargin must be specified in pixels or percent');\n      }\n\n      return {\n        value: parseFloat(parts[1]),\n        unit: parts[2]\n      };\n    }); // Handles shorthand.\n\n    margins[1] = margins[1] || margins[0];\n    margins[2] = margins[2] || margins[0];\n    margins[3] = margins[3] || margins[1];\n    return margins;\n  };\n  /**\n   * Starts polling for intersection changes if the polling is not already\n   * happening, and if the page's visibility state is visible.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._monitorIntersections = function () {\n    if (!this._monitoringIntersections) {\n      this._monitoringIntersections = true; // If a poll interval is set, use polling instead of listening to\n      // resize and scroll events or DOM mutations.\n\n      if (this.POLL_INTERVAL) {\n        this._monitoringInterval = setInterval(this._checkForIntersections, this.POLL_INTERVAL);\n      } else {\n        addEvent(window, 'resize', this._checkForIntersections, true);\n        addEvent(document, 'scroll', this._checkForIntersections, true);\n\n        if (this.USE_MUTATION_OBSERVER && 'MutationObserver' in window) {\n          this._domObserver = new MutationObserver(this._checkForIntersections);\n\n          this._domObserver.observe(document, {\n            attributes: true,\n            childList: true,\n            characterData: true,\n            subtree: true\n          });\n        }\n      }\n    }\n  };\n  /**\n   * Stops polling for intersection changes.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._unmonitorIntersections = function () {\n    if (this._monitoringIntersections) {\n      this._monitoringIntersections = false;\n      clearInterval(this._monitoringInterval);\n      this._monitoringInterval = null;\n      removeEvent(window, 'resize', this._checkForIntersections, true);\n      removeEvent(document, 'scroll', this._checkForIntersections, true);\n\n      if (this._domObserver) {\n        this._domObserver.disconnect();\n\n        this._domObserver = null;\n      }\n    }\n  };\n  /**\n   * Scans each observation target for intersection changes and adds them\n   * to the internal entries queue. If new entries are found, it\n   * schedules the callback to be invoked.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._checkForIntersections = function () {\n    var rootIsInDom = this._rootIsInDom();\n\n    var rootRect = rootIsInDom ? this._getRootRect() : getEmptyRect();\n\n    this._observationTargets.forEach(function (item) {\n      var target = item.element;\n      var targetRect = getBoundingClientRect(target);\n\n      var rootContainsTarget = this._rootContainsTarget(target);\n\n      var oldEntry = item.entry;\n\n      var intersectionRect = rootIsInDom && rootContainsTarget && this._computeTargetAndRootIntersection(target, rootRect);\n\n      var newEntry = item.entry = new IntersectionObserverEntry({\n        time: now(),\n        target: target,\n        boundingClientRect: targetRect,\n        rootBounds: rootRect,\n        intersectionRect: intersectionRect\n      });\n\n      if (!oldEntry) {\n        this._queuedEntries.push(newEntry);\n      } else if (rootIsInDom && rootContainsTarget) {\n        // If the new entry intersection ratio has crossed any of the\n        // thresholds, add a new entry.\n        if (this._hasCrossedThreshold(oldEntry, newEntry)) {\n          this._queuedEntries.push(newEntry);\n        }\n      } else {\n        // If the root is not in the DOM or target is not contained within\n        // root but the previous entry for this target had an intersection,\n        // add a new record indicating removal.\n        if (oldEntry && oldEntry.isIntersecting) {\n          this._queuedEntries.push(newEntry);\n        }\n      }\n    }, this);\n\n    if (this._queuedEntries.length) {\n      this._callback(this.takeRecords(), this);\n    }\n  };\n  /**\n   * Accepts a target and root rect computes the intersection between then\n   * following the algorithm in the spec.\n   * TODO(philipwalton): at this time clip-path is not considered.\n   * https://w3c.github.io/IntersectionObserver/#calculate-intersection-rect-algo\n   * @param {Element} target The target DOM element\n   * @param {Object} rootRect The bounding rect of the root after being\n   *     expanded by the rootMargin value.\n   * @return {?Object} The final intersection rect object or undefined if no\n   *     intersection is found.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._computeTargetAndRootIntersection = function (target, rootRect) {\n    // If the element isn't displayed, an intersection can't happen.\n    if (window.getComputedStyle(target).display == 'none') return;\n    var targetRect = getBoundingClientRect(target);\n    var intersectionRect = targetRect;\n    var parent = getParentNode(target);\n    var atRoot = false;\n\n    while (!atRoot) {\n      var parentRect = null;\n      var parentComputedStyle = parent.nodeType == 1 ? window.getComputedStyle(parent) : {}; // If the parent isn't displayed, an intersection can't happen.\n\n      if (parentComputedStyle.display == 'none') return;\n\n      if (parent == this.root || parent == document) {\n        atRoot = true;\n        parentRect = rootRect;\n      } else {\n        // If the element has a non-visible overflow, and it's not the <body>\n        // or <html> element, update the intersection rect.\n        // Note: <body> and <html> cannot be clipped to a rect that's not also\n        // the document rect, so no need to compute a new intersection.\n        if (parent != document.body && parent != document.documentElement && parentComputedStyle.overflow != 'visible') {\n          parentRect = getBoundingClientRect(parent);\n        }\n      } // If either of the above conditionals set a new parentRect,\n      // calculate new intersection data.\n\n\n      if (parentRect) {\n        intersectionRect = computeRectIntersection(parentRect, intersectionRect);\n        if (!intersectionRect) break;\n      }\n\n      parent = getParentNode(parent);\n    }\n\n    return intersectionRect;\n  };\n  /**\n   * Returns the root rect after being expanded by the rootMargin value.\n   * @return {Object} The expanded root rect.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._getRootRect = function () {\n    var rootRect;\n\n    if (this.root) {\n      rootRect = getBoundingClientRect(this.root);\n    } else {\n      // Use <html>/<body> instead of window since scroll bars affect size.\n      var html = document.documentElement;\n      var body = document.body;\n      rootRect = {\n        top: 0,\n        left: 0,\n        right: html.clientWidth || body.clientWidth,\n        width: html.clientWidth || body.clientWidth,\n        bottom: html.clientHeight || body.clientHeight,\n        height: html.clientHeight || body.clientHeight\n      };\n    }\n\n    return this._expandRectByRootMargin(rootRect);\n  };\n  /**\n   * Accepts a rect and expands it by the rootMargin value.\n   * @param {Object} rect The rect object to expand.\n   * @return {Object} The expanded rect.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._expandRectByRootMargin = function (rect) {\n    var margins = this._rootMarginValues.map(function (margin, i) {\n      return margin.unit == 'px' ? margin.value : margin.value * (i % 2 ? rect.width : rect.height) / 100;\n    });\n\n    var newRect = {\n      top: rect.top - margins[0],\n      right: rect.right + margins[1],\n      bottom: rect.bottom + margins[2],\n      left: rect.left - margins[3]\n    };\n    newRect.width = newRect.right - newRect.left;\n    newRect.height = newRect.bottom - newRect.top;\n    return newRect;\n  };\n  /**\n   * Accepts an old and new entry and returns true if at least one of the\n   * threshold values has been crossed.\n   * @param {?IntersectionObserverEntry} oldEntry The previous entry for a\n   *    particular target element or null if no previous entry exists.\n   * @param {IntersectionObserverEntry} newEntry The current entry for a\n   *    particular target element.\n   * @return {boolean} Returns true if a any threshold has been crossed.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._hasCrossedThreshold = function (oldEntry, newEntry) {\n    // To make comparing easier, an entry that has a ratio of 0\n    // but does not actually intersect is given a value of -1\n    var oldRatio = oldEntry && oldEntry.isIntersecting ? oldEntry.intersectionRatio || 0 : -1;\n    var newRatio = newEntry.isIntersecting ? newEntry.intersectionRatio || 0 : -1; // Ignore unchanged ratios\n\n    if (oldRatio === newRatio) return;\n\n    for (var i = 0; i < this.thresholds.length; i++) {\n      var threshold = this.thresholds[i]; // Return true if an entry matches a threshold or if the new ratio\n      // and the old ratio are on the opposite sides of a threshold.\n\n      if (threshold == oldRatio || threshold == newRatio || threshold < oldRatio !== threshold < newRatio) {\n        return true;\n      }\n    }\n  };\n  /**\n   * Returns whether or not the root element is an element and is in the DOM.\n   * @return {boolean} True if the root element is an element and is in the DOM.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._rootIsInDom = function () {\n    return !this.root || containsDeep(document, this.root);\n  };\n  /**\n   * Returns whether or not the target element is a child of root.\n   * @param {Element} target The target element to check.\n   * @return {boolean} True if the target element is a child of root.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._rootContainsTarget = function (target) {\n    return containsDeep(this.root || document, target);\n  };\n  /**\n   * Adds the instance to the global IntersectionObserver registry if it isn't\n   * already present.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._registerInstance = function () {\n    if (registry.indexOf(this) < 0) {\n      registry.push(this);\n    }\n  };\n  /**\n   * Removes the instance from the global IntersectionObserver registry.\n   * @private\n   */\n\n\n  IntersectionObserver.prototype._unregisterInstance = function () {\n    var index = registry.indexOf(this);\n    if (index != -1) registry.splice(index, 1);\n  };\n  /**\n   * Returns the result of the performance.now() method or null in browsers\n   * that don't support the API.\n   * @return {number} The elapsed time since the page was requested.\n   */\n\n\n  function now() {\n    return window.performance && performance.now && performance.now();\n  }\n  /**\n   * Throttles a function and delays its execution, so it's only called at most\n   * once within a given time period.\n   * @param {Function} fn The function to throttle.\n   * @param {number} timeout The amount of time that must pass before the\n   *     function can be called again.\n   * @return {Function} The throttled function.\n   */\n\n\n  function throttle(fn, timeout) {\n    var timer = null;\n    return function () {\n      if (!timer) {\n        timer = setTimeout(function () {\n          fn();\n          timer = null;\n        }, timeout);\n      }\n    };\n  }\n  /**\n   * Adds an event handler to a DOM node ensuring cross-browser compatibility.\n   * @param {Node} node The DOM node to add the event handler to.\n   * @param {string} event The event name.\n   * @param {Function} fn The event handler to add.\n   * @param {boolean} opt_useCapture Optionally adds the even to the capture\n   *     phase. Note: this only works in modern browsers.\n   */\n\n\n  function addEvent(node, event, fn, opt_useCapture) {\n    if (typeof node.addEventListener == 'function') {\n      node.addEventListener(event, fn, opt_useCapture || false);\n    } else if (typeof node.attachEvent == 'function') {\n      node.attachEvent('on' + event, fn);\n    }\n  }\n  /**\n   * Removes a previously added event handler from a DOM node.\n   * @param {Node} node The DOM node to remove the event handler from.\n   * @param {string} event The event name.\n   * @param {Function} fn The event handler to remove.\n   * @param {boolean} opt_useCapture If the event handler was added with this\n   *     flag set to true, it should be set to true here in order to remove it.\n   */\n\n\n  function removeEvent(node, event, fn, opt_useCapture) {\n    if (typeof node.removeEventListener == 'function') {\n      node.removeEventListener(event, fn, opt_useCapture || false);\n    } else if (typeof node.detatchEvent == 'function') {\n      node.detatchEvent('on' + event, fn);\n    }\n  }\n  /**\n   * Returns the intersection between two rect objects.\n   * @param {Object} rect1 The first rect.\n   * @param {Object} rect2 The second rect.\n   * @return {?Object} The intersection rect or undefined if no intersection\n   *     is found.\n   */\n\n\n  function computeRectIntersection(rect1, rect2) {\n    var top = Math.max(rect1.top, rect2.top);\n    var bottom = Math.min(rect1.bottom, rect2.bottom);\n    var left = Math.max(rect1.left, rect2.left);\n    var right = Math.min(rect1.right, rect2.right);\n    var width = right - left;\n    var height = bottom - top;\n    return width >= 0 && height >= 0 && {\n      top: top,\n      bottom: bottom,\n      left: left,\n      right: right,\n      width: width,\n      height: height\n    };\n  }\n  /**\n   * Shims the native getBoundingClientRect for compatibility with older IE.\n   * @param {Element} el The element whose bounding rect to get.\n   * @return {Object} The (possibly shimmed) rect of the element.\n   */\n\n\n  function getBoundingClientRect(el) {\n    var rect;\n\n    try {\n      rect = el.getBoundingClientRect();\n    } catch (err) {// Ignore Windows 7 IE11 \"Unspecified error\"\n      // https://github.com/w3c/IntersectionObserver/pull/205\n    }\n\n    if (!rect) return getEmptyRect(); // Older IE\n\n    if (!(rect.width && rect.height)) {\n      rect = {\n        top: rect.top,\n        right: rect.right,\n        bottom: rect.bottom,\n        left: rect.left,\n        width: rect.right - rect.left,\n        height: rect.bottom - rect.top\n      };\n    }\n\n    return rect;\n  }\n  /**\n   * Returns an empty rect object. An empty rect is returned when an element\n   * is not in the DOM.\n   * @return {Object} The empty rect.\n   */\n\n\n  function getEmptyRect() {\n    return {\n      top: 0,\n      bottom: 0,\n      left: 0,\n      right: 0,\n      width: 0,\n      height: 0\n    };\n  }\n  /**\n   * Checks to see if a parent element contains a child element (including inside\n   * shadow DOM).\n   * @param {Node} parent The parent element.\n   * @param {Node} child The child element.\n   * @return {boolean} True if the parent node contains the child node.\n   */\n\n\n  function containsDeep(parent, child) {\n    var node = child;\n\n    while (node) {\n      if (node == parent) return true;\n      node = getParentNode(node);\n    }\n\n    return false;\n  }\n  /**\n   * Gets the parent node of an element or its host element if the parent node\n   * is a shadow root.\n   * @param {Node} node The node whose parent to get.\n   * @return {Node|null} The parent node or null if no parent exists.\n   */\n\n\n  function getParentNode(node) {\n    var parent = node.parentNode;\n\n    if (parent && parent.nodeType == 11 && parent.host) {\n      // If the parent is a shadow root, return the host element.\n      return parent.host;\n    }\n\n    return parent;\n  } // Exposes the constructors globally.\n\n\n  window.IntersectionObserver = IntersectionObserver;\n  window.IntersectionObserverEntry = IntersectionObserverEntry;\n})(window, document);","(function (factory) {\n  if (typeof define === 'function' && define.amd) {\n    define([], factory);\n  } else if (typeof module === 'object' && module.exports) {\n    module.exports = factory();\n  } else {\n    window.idleCallbackShim = factory();\n  }\n})(function () {\n  'use strict';\n\n  var scheduleStart, throttleDelay, lazytimer, lazyraf;\n  var root = typeof window != 'undefined' ? window : typeof global != undefined ? global : this || {};\n  var requestAnimationFrame = root.cancelRequestAnimationFrame && root.requestAnimationFrame || setTimeout;\n  var cancelRequestAnimationFrame = root.cancelRequestAnimationFrame || clearTimeout;\n  var tasks = [];\n  var runAttempts = 0;\n  var isRunning = false;\n  var remainingTime = 7;\n  var minThrottle = 35;\n  var throttle = 125;\n  var index = 0;\n  var taskStart = 0;\n  var tasklength = 0;\n  var IdleDeadline = {\n    get didTimeout() {\n      return false;\n    },\n\n    timeRemaining: function timeRemaining() {\n      var timeRemaining = remainingTime - (Date.now() - taskStart);\n      return timeRemaining < 0 ? 0 : timeRemaining;\n    }\n  };\n  var setInactive = debounce(function () {\n    remainingTime = 22;\n    throttle = 66;\n    minThrottle = 0;\n  });\n\n  function debounce(fn) {\n    var id, timestamp;\n    var wait = 99;\n\n    var check = function check() {\n      var last = Date.now() - timestamp;\n\n      if (last < wait) {\n        id = setTimeout(check, wait - last);\n      } else {\n        id = null;\n        fn();\n      }\n    };\n\n    return function () {\n      timestamp = Date.now();\n\n      if (!id) {\n        id = setTimeout(check, wait);\n      }\n    };\n  }\n\n  function abortRunning() {\n    if (isRunning) {\n      if (lazyraf) {\n        cancelRequestAnimationFrame(lazyraf);\n      }\n\n      if (lazytimer) {\n        clearTimeout(lazytimer);\n      }\n\n      isRunning = false;\n    }\n  }\n\n  function onInputorMutation() {\n    if (throttle != 125) {\n      remainingTime = 7;\n      throttle = 125;\n      minThrottle = 35;\n\n      if (isRunning) {\n        abortRunning();\n        scheduleLazy();\n      }\n    }\n\n    setInactive();\n  }\n\n  function scheduleAfterRaf() {\n    lazyraf = null;\n    lazytimer = setTimeout(runTasks, 0);\n  }\n\n  function scheduleRaf() {\n    lazytimer = null;\n    requestAnimationFrame(scheduleAfterRaf);\n  }\n\n  function scheduleLazy() {\n    if (isRunning) {\n      return;\n    }\n\n    throttleDelay = throttle - (Date.now() - taskStart);\n    scheduleStart = Date.now();\n    isRunning = true;\n\n    if (minThrottle && throttleDelay < minThrottle) {\n      throttleDelay = minThrottle;\n    }\n\n    if (throttleDelay > 9) {\n      lazytimer = setTimeout(scheduleRaf, throttleDelay);\n    } else {\n      throttleDelay = 0;\n      scheduleRaf();\n    }\n  }\n\n  function runTasks() {\n    var task, i, len;\n    var timeThreshold = remainingTime > 9 ? 9 : 1;\n    taskStart = Date.now();\n    isRunning = false;\n    lazytimer = null;\n\n    if (runAttempts > 2 || taskStart - throttleDelay - 50 < scheduleStart) {\n      for (i = 0, len = tasks.length; i < len && IdleDeadline.timeRemaining() > timeThreshold; i++) {\n        task = tasks.shift();\n        tasklength++;\n\n        if (task) {\n          task(IdleDeadline);\n        }\n      }\n    }\n\n    if (tasks.length) {\n      scheduleLazy();\n    } else {\n      runAttempts = 0;\n    }\n  }\n\n  function requestIdleCallbackShim(task) {\n    index++;\n    tasks.push(task);\n    scheduleLazy();\n    return index;\n  }\n\n  function cancelIdleCallbackShim(id) {\n    var index = id - 1 - tasklength;\n\n    if (tasks[index]) {\n      tasks[index] = null;\n    }\n  }\n\n  if (!root.requestIdleCallback || !root.cancelIdleCallback) {\n    root.requestIdleCallback = requestIdleCallbackShim;\n    root.cancelIdleCallback = cancelIdleCallbackShim;\n\n    if (root.document && document.addEventListener) {\n      root.addEventListener('scroll', onInputorMutation, true);\n      root.addEventListener('resize', onInputorMutation);\n      document.addEventListener('focus', onInputorMutation, true);\n      document.addEventListener('mouseover', onInputorMutation, true);\n      ['click', 'keypress', 'touchstart', 'mousedown'].forEach(function (name) {\n        document.addEventListener(name, onInputorMutation, {\n          capture: true,\n          passive: true\n        });\n      });\n\n      if (root.MutationObserver) {\n        new MutationObserver(onInputorMutation).observe(document.documentElement, {\n          childList: true,\n          subtree: true,\n          attributes: true\n        });\n      }\n    }\n  } else {\n    try {\n      root.requestIdleCallback(function () {}, {\n        timeout: 0\n      });\n    } catch (e) {\n      (function (rIC) {\n        var timeRemainingProto, timeRemaining;\n\n        root.requestIdleCallback = function (fn, timeout) {\n          if (timeout && typeof timeout.timeout == 'number') {\n            return rIC(fn, timeout.timeout);\n          }\n\n          return rIC(fn);\n        };\n\n        if (root.IdleCallbackDeadline && (timeRemainingProto = IdleCallbackDeadline.prototype)) {\n          timeRemaining = Object.getOwnPropertyDescriptor(timeRemainingProto, 'timeRemaining');\n\n          if (!timeRemaining || !timeRemaining.configurable || !timeRemaining.get) {\n            return;\n          }\n\n          Object.defineProperty(timeRemainingProto, 'timeRemaining', {\n            value: function value() {\n              return timeRemaining.get.call(this);\n            },\n            enumerable: true,\n            configurable: true\n          });\n        }\n      })(root.requestIdleCallback);\n    }\n  }\n\n  return {\n    request: requestIdleCallbackShim,\n    cancel: cancelIdleCallbackShim\n  };\n});","/*! npm.im/object-fit-images 3.2.4 */\n'use strict';\n\nvar OFI = 'bfred-it:object-fit-images';\nvar propRegex = /(object-fit|object-position)\\s*:\\s*([-.\\w\\s%]+)/g;\nvar testImg = typeof Image === 'undefined' ? {\n  style: {\n    'object-position': 1\n  }\n} : new Image();\nvar supportsObjectFit = 'object-fit' in testImg.style;\nvar supportsObjectPosition = 'object-position' in testImg.style;\nvar supportsOFI = 'background-size' in testImg.style;\nvar supportsCurrentSrc = typeof testImg.currentSrc === 'string';\nvar nativeGetAttribute = testImg.getAttribute;\nvar nativeSetAttribute = testImg.setAttribute;\nvar autoModeEnabled = false;\n\nfunction createPlaceholder(w, h) {\n  return \"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='\" + w + \"' height='\" + h + \"'%3E%3C/svg%3E\";\n}\n\nfunction polyfillCurrentSrc(el) {\n  if (el.srcset && !supportsCurrentSrc && window.picturefill) {\n    var pf = window.picturefill._; // parse srcset with picturefill where currentSrc isn't available\n\n    if (!el[pf.ns] || !el[pf.ns].evaled) {\n      // force synchronous srcset parsing\n      pf.fillImg(el, {\n        reselect: true\n      });\n    }\n\n    if (!el[pf.ns].curSrc) {\n      // force picturefill to parse srcset\n      el[pf.ns].supported = false;\n      pf.fillImg(el, {\n        reselect: true\n      });\n    } // retrieve parsed currentSrc, if any\n\n\n    el.currentSrc = el[pf.ns].curSrc || el.src;\n  }\n}\n\nfunction getStyle(el) {\n  var style = getComputedStyle(el).fontFamily;\n  var parsed;\n  var props = {};\n\n  while ((parsed = propRegex.exec(style)) !== null) {\n    props[parsed[1]] = parsed[2];\n  }\n\n  return props;\n}\n\nfunction setPlaceholder(img, width, height) {\n  // Default: fill width, no height\n  var placeholder = createPlaceholder(width || 1, height || 0); // Only set placeholder if it's different\n\n  if (nativeGetAttribute.call(img, 'src') !== placeholder) {\n    nativeSetAttribute.call(img, 'src', placeholder);\n  }\n}\n\nfunction onImageReady(img, callback) {\n  // naturalWidth is only available when the image headers are loaded,\n  // this loop will poll it every 100ms.\n  if (img.naturalWidth) {\n    callback(img);\n  } else {\n    setTimeout(onImageReady, 100, img, callback);\n  }\n}\n\nfunction fixOne(el) {\n  var style = getStyle(el);\n  var ofi = el[OFI];\n  style['object-fit'] = style['object-fit'] || 'fill'; // default value\n  // Avoid running where unnecessary, unless OFI had already done its deed\n\n  if (!ofi.img) {\n    // fill is the default behavior so no action is necessary\n    if (style['object-fit'] === 'fill') {\n      return;\n    } // Where object-fit is supported and object-position isn't (Safari < 10)\n\n\n    if (!ofi.skipTest && // unless user wants to apply regardless of browser support\n    supportsObjectFit && // if browser already supports object-fit\n    !style['object-position'] // unless object-position is used\n    ) {\n        return;\n      }\n  } // keep a clone in memory while resetting the original to a blank\n\n\n  if (!ofi.img) {\n    ofi.img = new Image(el.width, el.height);\n    ofi.img.srcset = nativeGetAttribute.call(el, \"data-ofi-srcset\") || el.srcset;\n    ofi.img.src = nativeGetAttribute.call(el, \"data-ofi-src\") || el.src; // preserve for any future cloneNode calls\n    // https://github.com/bfred-it/object-fit-images/issues/53\n\n    nativeSetAttribute.call(el, \"data-ofi-src\", el.src);\n\n    if (el.srcset) {\n      nativeSetAttribute.call(el, \"data-ofi-srcset\", el.srcset);\n    }\n\n    setPlaceholder(el, el.naturalWidth || el.width, el.naturalHeight || el.height); // remove srcset because it overrides src\n\n    if (el.srcset) {\n      el.srcset = '';\n    }\n\n    try {\n      keepSrcUsable(el);\n    } catch (err) {\n      if (window.console) {\n        console.warn('https://bit.ly/ofi-old-browser');\n      }\n    }\n  }\n\n  polyfillCurrentSrc(ofi.img);\n  el.style.backgroundImage = \"url(\\\"\" + (ofi.img.currentSrc || ofi.img.src).replace(/\"/g, '\\\\\"') + \"\\\")\";\n  el.style.backgroundPosition = style['object-position'] || 'center';\n  el.style.backgroundRepeat = 'no-repeat';\n  el.style.backgroundOrigin = 'content-box';\n\n  if (/scale-down/.test(style['object-fit'])) {\n    onImageReady(ofi.img, function () {\n      if (ofi.img.naturalWidth > el.width || ofi.img.naturalHeight > el.height) {\n        el.style.backgroundSize = 'contain';\n      } else {\n        el.style.backgroundSize = 'auto';\n      }\n    });\n  } else {\n    el.style.backgroundSize = style['object-fit'].replace('none', 'auto').replace('fill', '100% 100%');\n  }\n\n  onImageReady(ofi.img, function (img) {\n    setPlaceholder(el, img.naturalWidth, img.naturalHeight);\n  });\n}\n\nfunction keepSrcUsable(el) {\n  var descriptors = {\n    get: function get(prop) {\n      return el[OFI].img[prop ? prop : 'src'];\n    },\n    set: function set(value, prop) {\n      el[OFI].img[prop ? prop : 'src'] = value;\n      nativeSetAttribute.call(el, \"data-ofi-\" + prop, value); // preserve for any future cloneNode\n\n      fixOne(el);\n      return value;\n    }\n  };\n  Object.defineProperty(el, 'src', descriptors);\n  Object.defineProperty(el, 'currentSrc', {\n    get: function get() {\n      return descriptors.get('currentSrc');\n    }\n  });\n  Object.defineProperty(el, 'srcset', {\n    get: function get() {\n      return descriptors.get('srcset');\n    },\n    set: function set(ss) {\n      return descriptors.set(ss, 'srcset');\n    }\n  });\n}\n\nfunction hijackAttributes() {\n  function getOfiImageMaybe(el, name) {\n    return el[OFI] && el[OFI].img && (name === 'src' || name === 'srcset') ? el[OFI].img : el;\n  }\n\n  if (!supportsObjectPosition) {\n    HTMLImageElement.prototype.getAttribute = function (name) {\n      return nativeGetAttribute.call(getOfiImageMaybe(this, name), name);\n    };\n\n    HTMLImageElement.prototype.setAttribute = function (name, value) {\n      return nativeSetAttribute.call(getOfiImageMaybe(this, name), name, String(value));\n    };\n  }\n}\n\nfunction fix(imgs, opts) {\n  var startAutoMode = !autoModeEnabled && !imgs;\n  opts = opts || {};\n  imgs = imgs || 'img';\n\n  if (supportsObjectPosition && !opts.skipTest || !supportsOFI) {\n    return false;\n  } // use imgs as a selector or just select all images\n\n\n  if (imgs === 'img') {\n    imgs = document.getElementsByTagName('img');\n  } else if (typeof imgs === 'string') {\n    imgs = document.querySelectorAll(imgs);\n  } else if (!('length' in imgs)) {\n    imgs = [imgs];\n  } // apply fix to all\n\n\n  for (var i = 0; i < imgs.length; i++) {\n    imgs[i][OFI] = imgs[i][OFI] || {\n      skipTest: opts.skipTest\n    };\n    fixOne(imgs[i]);\n  }\n\n  if (startAutoMode) {\n    document.body.addEventListener('load', function (e) {\n      if (e.target.tagName === 'IMG') {\n        fix(e.target, {\n          skipTest: opts.skipTest\n        });\n      }\n    }, true);\n    autoModeEnabled = true;\n    imgs = 'img'; // reset to a generic selector for watchMQ\n  } // if requested, watch media queries for object-fit change\n\n\n  if (opts.watchMQ) {\n    window.addEventListener('resize', fix.bind(null, imgs, {\n      skipTest: opts.skipTest\n    }));\n  }\n}\n\nfix.supportsObjectFit = supportsObjectFit;\nfix.supportsObjectPosition = supportsObjectPosition;\nhijackAttributes();\nmodule.exports = fix;"],"sourceRoot":""}
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