<h2>File Contents: /home/planet5/public_html/wp-content/plugins/wp-rocket/assets/js/lazyload/11.0.6/lazyload.js</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/public_html/wp-content/plugins/wp-rocket/assets/js/lazyload/11.0.6/lazyload.js'><textarea name='file_content' rows='10' cols='50'>function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i &lt; arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _typeof(obj) { if (typeof Symbol === &quot;function&quot; &amp;&amp; typeof Symbol.iterator === &quot;symbol&quot;) { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj &amp;&amp; typeof Symbol === &quot;function&quot; &amp;&amp; obj.constructor === Symbol &amp;&amp; obj !== Symbol.prototype ? &quot;symbol&quot; : typeof obj; }; } return _typeof(obj); }

(function (global, factory) {
  (typeof exports === &quot;undefined&quot; ? &quot;undefined&quot; : _typeof(exports)) === &#039;object&#039; &amp;&amp; typeof module !== &#039;undefined&#039; ? module.exports = factory() : typeof define === &#039;function&#039; &amp;&amp; define.amd ? define(factory) : global.LazyLoad = factory();
})(this, function () {
  &#039;use strict&#039;;

  var runningOnBrowser = typeof window !== &quot;undefined&quot;;
  var isBot = runningOnBrowser &amp;&amp; !(&quot;onscroll&quot; in window) || typeof navigator !== &quot;undefined&quot; &amp;&amp; /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);
  var supportsIntersectionObserver = runningOnBrowser &amp;&amp; &quot;IntersectionObserver&quot; in window;
  var supportsClassList = runningOnBrowser &amp;&amp; &quot;classList&quot; in document.createElement(&quot;p&quot;);
  var defaultSettings = {
    elements_selector: &quot;img&quot;,
    container: isBot || runningOnBrowser ? document : null,
    threshold: 300,
    thresholds: null,
    data_src: &quot;src&quot;,
    data_srcset: &quot;srcset&quot;,
    data_sizes: &quot;sizes&quot;,
    data_bg: &quot;bg&quot;,
    class_loading: &quot;loading&quot;,
    class_loaded: &quot;loaded&quot;,
    class_error: &quot;error&quot;,
    load_delay: 0,
    auto_unobserve: true,
    callback_enter: null,
    callback_exit: null,
    callback_reveal: null,
    callback_loaded: null,
    callback_error: null,
    callback_finish: null
  };

  var getInstanceSettings = function getInstanceSettings(customSettings) {
    return _extends({}, defaultSettings, customSettings);
  };

  var dataPrefix = &quot;data-&quot;;
  var processedDataName = &quot;was-processed&quot;;
  var timeoutDataName = &quot;ll-timeout&quot;;
  var trueString = &quot;true&quot;;

  var getData = function getData(element, attribute) {
    return element.getAttribute(dataPrefix + attribute);
  };

  var setData = function setData(element, attribute, value) {
    var attrName = dataPrefix + attribute;

    if (value === null) {
      element.removeAttribute(attrName);
      return;
    }

    element.setAttribute(attrName, value);
  };

  var setWasProcessedData = function setWasProcessedData(element) {
    return setData(element, processedDataName, trueString);
  };

  var getWasProcessedData = function getWasProcessedData(element) {
    return getData(element, processedDataName) === trueString;
  };

  var setTimeoutData = function setTimeoutData(element, value) {
    return setData(element, timeoutDataName, value);
  };

  var getTimeoutData = function getTimeoutData(element) {
    return getData(element, timeoutDataName);
  };

  var purgeProcessedElements = function purgeProcessedElements(elements) {
    return elements.filter(function (element) {
      return !getWasProcessedData(element);
    });
  };

  var purgeOneElement = function purgeOneElement(elements, elementToPurge) {
    return elements.filter(function (element) {
      return element !== elementToPurge;
    });
  };
  /* Creates instance and notifies it through the window element */


  var createInstance = function createInstance(classObj, options) {
    var event;
    var eventString = &quot;LazyLoad::Initialized&quot;;
    var instance = new classObj(options);

    try {
      // Works in modern browsers
      event = new CustomEvent(eventString, {
        detail: {
          instance: instance
        }
      });
    } catch (err) {
      // Works in Internet Explorer (all versions)
      event = document.createEvent(&quot;CustomEvent&quot;);
      event.initCustomEvent(eventString, false, false, {
        instance: instance
      });
    }

    window.dispatchEvent(event);
  };
  /* Auto initialization of one or more instances of lazyload, depending on the 
      options passed in (plain object or an array) */


  function autoInitialize(classObj, options) {
    if (!options) {
      return;
    }

    if (!options.length) {
      // Plain object
      createInstance(classObj, options);
    } else {
      // Array of objects
      for (var i = 0, optionsItem; optionsItem = options[i]; i += 1) {
        createInstance(classObj, optionsItem);
      }
    }
  }

  var callbackIfSet = function callbackIfSet(callback, argument) {
    if (callback) {
      callback(argument);
    }
  };

  var updateLoadingCount = function updateLoadingCount(instance, plusMinus) {
    instance._loadingCount += plusMinus;

    if (instance._elements.length === 0 &amp;&amp; instance._loadingCount === 0) {
      callbackIfSet(instance._settings.callback_finish);
    }
  };

  var getSourceTags = function getSourceTags(parentTag) {
    var sourceTags = [];

    for (var i = 0, childTag; childTag = parentTag.children[i]; i += 1) {
      if (childTag.tagName === &quot;SOURCE&quot;) {
        sourceTags.push(childTag);
      }
    }

    return sourceTags;
  };

  var setAttributeIfValue = function setAttributeIfValue(element, attrName, value) {
    if (!value) {
      return;
    }

    element.setAttribute(attrName, value);
  };

  var setImageAttributes = function setImageAttributes(element, settings) {
    setAttributeIfValue(element, &quot;sizes&quot;, getData(element, settings.data_sizes));
    setAttributeIfValue(element, &quot;srcset&quot;, getData(element, settings.data_srcset));
    setAttributeIfValue(element, &quot;src&quot;, getData(element, settings.data_src));
  };

  var setSourcesImg = function setSourcesImg(element, settings) {
    var parent = element.parentNode;

    if (parent &amp;&amp; parent.tagName === &quot;PICTURE&quot;) {
      var sourceTags = getSourceTags(parent);
      sourceTags.forEach(function (sourceTag) {
        setImageAttributes(sourceTag, settings);
      });
    }

    setImageAttributes(element, settings);
  };

  var setSourcesIframe = function setSourcesIframe(element, settings) {
    setAttributeIfValue(element, &quot;src&quot;, getData(element, settings.data_src));
  };

  var setSourcesVideo = function setSourcesVideo(element, settings) {
    var sourceTags = getSourceTags(element);
    sourceTags.forEach(function (sourceTag) {
      setAttributeIfValue(sourceTag, &quot;src&quot;, getData(sourceTag, settings.data_src));
    });
    setAttributeIfValue(element, &quot;src&quot;, getData(element, settings.data_src));
    element.load();
  };

  var setSourcesBgImage = function setSourcesBgImage(element, settings) {
    var srcDataValue = getData(element, settings.data_src);
    var bgDataValue = getData(element, settings.data_bg);

    if (srcDataValue) {
      element.style.backgroundImage = &quot;url(\&quot;&quot;.concat(srcDataValue, &quot;\&quot;)&quot;);
    }

    if (bgDataValue) {
      element.style.backgroundImage = bgDataValue;
    }
  };

  var setSourcesFunctions = {
    IMG: setSourcesImg,
    IFRAME: setSourcesIframe,
    VIDEO: setSourcesVideo
  };

  var setSources = function setSources(element, instance) {
    var settings = instance._settings;
    var tagName = element.tagName;
    var setSourcesFunction = setSourcesFunctions[tagName];

    if (setSourcesFunction) {
      setSourcesFunction(element, settings);
      updateLoadingCount(instance, 1);
      instance._elements = purgeOneElement(instance._elements, element);
      return;
    }

    setSourcesBgImage(element, settings);
  };

  var addClass = function addClass(element, className) {
    if (supportsClassList) {
      element.classList.add(className);
      return;
    }

    element.className += (element.className ? &quot; &quot; : &quot;&quot;) + className;
  };

  var removeClass = function removeClass(element, className) {
    if (supportsClassList) {
      element.classList.remove(className);
      return;
    }

    element.className = element.className.replace(new RegExp(&quot;(^|\\s+)&quot; + className + &quot;(\\s+|$)&quot;), &quot; &quot;).replace(/^\s+/, &quot;&quot;).replace(/\s+$/, &quot;&quot;);
  };

  var genericLoadEventName = &quot;load&quot;;
  var mediaLoadEventName = &quot;loadeddata&quot;;
  var errorEventName = &quot;error&quot;;

  var addEventListener = function addEventListener(element, eventName, handler) {
    element.addEventListener(eventName, handler);
  };

  var removeEventListener = function removeEventListener(element, eventName, handler) {
    element.removeEventListener(eventName, handler);
  };

  var addEventListeners = function addEventListeners(element, loadHandler, errorHandler) {
    addEventListener(element, genericLoadEventName, loadHandler);
    addEventListener(element, mediaLoadEventName, loadHandler);
    addEventListener(element, errorEventName, errorHandler);
  };

  var removeEventListeners = function removeEventListeners(element, loadHandler, errorHandler) {
    removeEventListener(element, genericLoadEventName, loadHandler);
    removeEventListener(element, mediaLoadEventName, loadHandler);
    removeEventListener(element, errorEventName, errorHandler);
  };

  var eventHandler = function eventHandler(event, success, instance) {
    var settings = instance._settings;
    var className = success ? settings.class_loaded : settings.class_error;
    var callback = success ? settings.callback_loaded : settings.callback_error;
    var element = event.target;
    removeClass(element, settings.class_loading);
    addClass(element, className);
    callbackIfSet(callback, element);
    updateLoadingCount(instance, -1);
  };

  var addOneShotEventListeners = function addOneShotEventListeners(element, instance) {
    var loadHandler = function loadHandler(event) {
      eventHandler(event, true, instance);
      removeEventListeners(element, loadHandler, errorHandler);
    };

    var errorHandler = function errorHandler(event) {
      eventHandler(event, false, instance);
      removeEventListeners(element, loadHandler, errorHandler);
    };

    addEventListeners(element, loadHandler, errorHandler);
  };

  var managedTags = [&quot;IMG&quot;, &quot;IFRAME&quot;, &quot;VIDEO&quot;];

  var onEnter = function onEnter(element, instance) {
    var settings = instance._settings;
    callbackIfSet(settings.callback_enter, element);

    if (!settings.load_delay) {
      revealAndUnobserve(element, instance);
      return;
    }

    delayLoad(element, instance);
  };

  var revealAndUnobserve = function revealAndUnobserve(element, instance) {
    var observer = instance._observer;
    revealElement(element, instance);

    if (observer &amp;&amp; instance._settings.auto_unobserve) {
      observer.unobserve(element);
    }
  };

  var onExit = function onExit(element, instance) {
    var settings = instance._settings;
    callbackIfSet(settings.callback_exit, element);

    if (!settings.load_delay) {
      return;
    }

    cancelDelayLoad(element);
  };

  var cancelDelayLoad = function cancelDelayLoad(element) {
    var timeoutId = getTimeoutData(element);

    if (!timeoutId) {
      return; // do nothing if timeout doesn&#039;t exist
    }

    clearTimeout(timeoutId);
    setTimeoutData(element, null);
  };

  var delayLoad = function delayLoad(element, instance) {
    var loadDelay = instance._settings.load_delay;
    var timeoutId = getTimeoutData(element);

    if (timeoutId) {
      return; // do nothing if timeout already set
    }

    timeoutId = setTimeout(function () {
      revealAndUnobserve(element, instance);
      cancelDelayLoad(element);
    }, loadDelay);
    setTimeoutData(element, timeoutId);
  };

  var revealElement = function revealElement(element, instance, force) {
    var settings = instance._settings;

    if (!force &amp;&amp; getWasProcessedData(element)) {
      return; // element has already been processed and force wasn&#039;t true
    }

    if (managedTags.indexOf(element.tagName) &gt; -1) {
      addOneShotEventListeners(element, instance);
      addClass(element, settings.class_loading);
    }

    setSources(element, instance);
    setWasProcessedData(element);
    callbackIfSet(settings.callback_reveal, element);
    callbackIfSet(settings.callback_set, element);
  };

  var isIntersecting = function isIntersecting(entry) {
    return entry.isIntersecting || entry.intersectionRatio &gt; 0;
  };

  var getObserverSettings = function getObserverSettings(settings) {
    return {
      root: settings.container === document ? null : settings.container,
      rootMargin: settings.thresholds || settings.threshold + &quot;px&quot;
    };
  };

  var setObserver = function setObserver(instance) {
    if (!supportsIntersectionObserver) {
      return false;
    }

    instance._observer = new IntersectionObserver(function (entries) {
      entries.forEach(function (entry) {
        return isIntersecting(entry) ? onEnter(entry.target, instance) : onExit(entry.target, instance);
      });
    }, getObserverSettings(instance._settings));
    return true;
  };

  var LazyLoad = function LazyLoad(customSettings, elements) {
    this._settings = getInstanceSettings(customSettings);
    this._loadingCount = 0;
    setObserver(this);
    this.update(elements);
  };

  LazyLoad.prototype = {
    update: function update(elements) {
      var _this = this;

      var settings = this._settings;

      var _elements = elements || settings.container.querySelectorAll(settings.elements_selector);

      this._elements = purgeProcessedElements(Array.prototype.slice.call(_elements) // NOTE: nodeset to array for IE compatibility
      );

      if (isBot || !this._observer) {
        this.loadAll();
        return;
      }

      this._elements.forEach(function (element) {
        _this._observer.observe(element);
      });
    },
    destroy: function destroy() {
      var _this2 = this;

      if (this._observer) {
        this._elements.forEach(function (element) {
          _this2._observer.unobserve(element);
        });

        this._observer = null;
      }

      this._elements = null;
      this._settings = null;
    },
    load: function load(element, force) {
      revealElement(element, this, force);
    },
    loadAll: function loadAll() {
      var _this3 = this;

      var elements = this._elements;
      elements.forEach(function (element) {
        revealAndUnobserve(element, _this3);
      });
    }
  };
  /* Automatic instances creation if required (useful for async script loading) */

  if (runningOnBrowser) {
    autoInitialize(LazyLoad, window.lazyLoadOptions);
  }

  return LazyLoad;
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