GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /usr/src/litespeed-wp-plugin/6.3.0.1/litespeed-cache/assets/js/lazyload.lib.js
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined'
		? (module.exports = factory())
		: typeof define === 'function' && define.amd
		? define(factory)
		: ((global = typeof globalThis !== 'undefined' ? globalThis : global || self), (global.LazyLoad = factory()));
})(this, function () {
	'use strict';

	function _extends() {
		_extends =
			Object.assign ||
			function (target) {
				for (var i = 1; i < 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);
	}

	var runningOnBrowser = typeof window !== 'undefined';
	var isBot = (runningOnBrowser && !('onscroll' in window)) || (typeof navigator !== 'undefined' && /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent));
	var supportsIntersectionObserver = runningOnBrowser && 'IntersectionObserver' in window;
	var supportsClassList = runningOnBrowser && 'classList' in document.createElement('p');
	var isHiDpi = runningOnBrowser && window.devicePixelRatio > 1;

	var defaultSettings = {
		elements_selector: '.lazy',
		container: isBot || runningOnBrowser ? document : null,
		threshold: 300,
		thresholds: null,
		data_src: 'src',
		data_srcset: 'srcset',
		data_sizes: 'sizes',
		data_bg: 'bg',
		data_bg_hidpi: 'bg-hidpi',
		data_bg_multi: 'bg-multi',
		data_bg_multi_hidpi: 'bg-multi-hidpi',
		data_poster: 'poster',
		class_applied: 'applied',
		class_loading: 'litespeed-loading',
		class_loaded: 'litespeed-loaded', // https://docs.litespeedtech.com/lscache/lscwp/pageopt/#lazy-load-images
		class_error: 'error',
		class_entered: 'entered',
		class_exited: 'exited',
		unobserve_completed: true,
		unobserve_entered: false,
		cancel_on_exit: true,
		callback_enter: null,
		callback_exit: null,
		callback_applied: null,
		callback_loading: null,
		callback_loaded: null,
		callback_error: null,
		callback_finish: null,
		callback_cancel: null,
		use_native: false,
	};
	var getExtendedSettings = function getExtendedSettings(customSettings) {
		return _extends({}, defaultSettings, customSettings);
	};

	/* Creates instance and notifies it through the window element */
	var createInstance = function createInstance(classObj, options) {
		var event;
		var eventString = 'LazyLoad::Initialized';
		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('CustomEvent');
			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) */

	var autoInitialize = 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 SRC = 'src';
	var SRCSET = 'srcset';
	var SIZES = 'sizes';
	var POSTER = 'poster';
	var ORIGINALS = 'llOriginalAttrs';

	var statusLoading = 'loading';
	var statusLoaded = 'loaded';
	var statusApplied = 'applied';
	var statusEntered = 'entered';
	var statusError = 'error';
	var statusNative = 'native';

	var dataPrefix = 'data-';
	var statusDataName = 'll-status';
	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 getStatus = function getStatus(element) {
		return getData(element, statusDataName);
	};
	var setStatus = function setStatus(element, status) {
		return setData(element, statusDataName, status);
	};
	var resetStatus = function resetStatus(element) {
		return setStatus(element, null);
	};
	var hasEmptyStatus = function hasEmptyStatus(element) {
		return getStatus(element) === null;
	};
	var hasStatusLoading = function hasStatusLoading(element) {
		return getStatus(element) === statusLoading;
	};
	var hasStatusError = function hasStatusError(element) {
		return getStatus(element) === statusError;
	};
	var hasStatusNative = function hasStatusNative(element) {
		return getStatus(element) === statusNative;
	};
	var statusesAfterLoading = [statusLoading, statusLoaded, statusApplied, statusError];
	var hadStartedLoading = function hadStartedLoading(element) {
		return statusesAfterLoading.indexOf(getStatus(element)) >= 0;
	};

	var safeCallback = function safeCallback(callback, arg1, arg2, arg3) {
		if (!callback) {
			return;
		}

		if (arg3 !== undefined) {
			callback(arg1, arg2, arg3);
			return;
		}

		if (arg2 !== undefined) {
			callback(arg1, arg2);
			return;
		}

		callback(arg1);
	};

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

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

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

	var addTempImage = function addTempImage(element) {
		element.llTempImage = document.createElement('IMG');
	};
	var deleteTempImage = function deleteTempImage(element) {
		delete element.llTempImage;
	};
	var getTempImage = function getTempImage(element) {
		return element.llTempImage;
	};

	var unobserve = function unobserve(element, instance) {
		if (!instance) return;
		var observer = instance._observer;
		if (!observer) return;
		observer.unobserve(element);
	};
	var resetObserver = function resetObserver(observer) {
		observer.disconnect();
	};
	var unobserveEntered = function unobserveEntered(element, settings, instance) {
		if (settings.unobserve_entered) unobserve(element, instance);
	};

	var updateLoadingCount = function updateLoadingCount(instance, delta) {
		if (!instance) return;
		instance.loadingCount += delta;
	};
	var decreaseToLoadCount = function decreaseToLoadCount(instance) {
		if (!instance) return;
		instance.toLoadCount -= 1;
	};
	var setToLoadCount = function setToLoadCount(instance, value) {
		if (!instance) return;
		instance.toLoadCount = value;
	};
	var isSomethingLoading = function isSomethingLoading(instance) {
		return instance.loadingCount > 0;
	};
	var haveElementsToLoad = function haveElementsToLoad(instance) {
		return instance.toLoadCount > 0;
	};

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

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

		return sourceTags;
	};

	var forEachPictureSource = function forEachPictureSource(element, fn) {
		var parent = element.parentNode;

		if (!parent || parent.tagName !== 'PICTURE') {
			return;
		}

		var sourceTags = getSourceTags(parent);
		sourceTags.forEach(fn);
	};
	var forEachVideoSource = function forEachVideoSource(element, fn) {
		var sourceTags = getSourceTags(element);
		sourceTags.forEach(fn);
	};

	var attrsSrc = [SRC];
	var attrsSrcPoster = [SRC, POSTER];
	var attrsSrcSrcsetSizes = [SRC, SRCSET, SIZES];
	var hasOriginalAttrs = function hasOriginalAttrs(element) {
		return !!element[ORIGINALS];
	};
	var getOriginalAttrs = function getOriginalAttrs(element) {
		return element[ORIGINALS];
	};
	var deleteOriginalAttrs = function deleteOriginalAttrs(element) {
		return delete element[ORIGINALS];
	}; // ## SAVE ##

	var setOriginalsObject = function setOriginalsObject(element, attributes) {
		if (hasOriginalAttrs(element)) {
			return;
		}

		var originals = {};
		attributes.forEach(function (attribute) {
			originals[attribute] = element.getAttribute(attribute);
		});
		element[ORIGINALS] = originals;
	};
	var saveOriginalBackgroundStyle = function saveOriginalBackgroundStyle(element) {
		if (hasOriginalAttrs(element)) {
			return;
		}

		element[ORIGINALS] = {
			backgroundImage: element.style.backgroundImage,
		};
	}; // ## RESTORE ##

	var setOrResetAttribute = function setOrResetAttribute(element, attrName, value) {
		if (!value) {
			element.removeAttribute(attrName);
			return;
		}

		element.setAttribute(attrName, value);
	};

	var restoreOriginalAttrs = function restoreOriginalAttrs(element, attributes) {
		if (!hasOriginalAttrs(element)) {
			return;
		}

		var originals = getOriginalAttrs(element);
		attributes.forEach(function (attribute) {
			setOrResetAttribute(element, attribute, originals[attribute]);
		});
	};
	var restoreOriginalBgImage = function restoreOriginalBgImage(element) {
		if (!hasOriginalAttrs(element)) {
			return;
		}

		var originals = getOriginalAttrs(element);
		element.style.backgroundImage = originals.backgroundImage;
	};

	var manageApplied = function manageApplied(element, settings, instance) {
		addClass(element, settings.class_applied);
		setStatus(element, statusApplied); // Instance is not provided when loading is called from static class

		if (!instance) return;

		if (settings.unobserve_completed) {
			// Unobserve now because we can't do it on load
			unobserve(element, settings);
		}

		safeCallback(settings.callback_applied, element, instance);
	};
	var manageLoading = function manageLoading(element, settings, instance) {
		addClass(element, settings.class_loading);
		setStatus(element, statusLoading); // Instance is not provided when loading is called from static class

		if (!instance) return;
		updateLoadingCount(instance, +1);
		safeCallback(settings.callback_loading, element, instance);
	};
	var setAttributeIfValue = function setAttributeIfValue(element, attrName, value) {
		if (!value) {
			return;
		}

		element.setAttribute(attrName, value);
	};
	var setImageAttributes = function setImageAttributes(element, settings) {
		setAttributeIfValue(element, SIZES, getData(element, settings.data_sizes));
		setAttributeIfValue(element, SRCSET, getData(element, settings.data_srcset));
		setAttributeIfValue(element, SRC, getData(element, settings.data_src));
	};
	var setSourcesImg = function setSourcesImg(imgEl, settings) {
		forEachPictureSource(imgEl, function (sourceTag) {
			setOriginalsObject(sourceTag, attrsSrcSrcsetSizes);
			setImageAttributes(sourceTag, settings);
		});
		setOriginalsObject(imgEl, attrsSrcSrcsetSizes);
		setImageAttributes(imgEl, settings);
	};
	var setSourcesIframe = function setSourcesIframe(iframe, settings) {
		setOriginalsObject(iframe, attrsSrc);
		setAttributeIfValue(iframe, SRC, getData(iframe, settings.data_src));
	};
	var setSourcesVideo = function setSourcesVideo(videoEl, settings) {
		forEachVideoSource(videoEl, function (sourceEl) {
			setOriginalsObject(sourceEl, attrsSrc);
			setAttributeIfValue(sourceEl, SRC, getData(sourceEl, settings.data_src));
		});
		setOriginalsObject(videoEl, attrsSrcPoster);
		setAttributeIfValue(videoEl, POSTER, getData(videoEl, settings.data_poster));
		setAttributeIfValue(videoEl, SRC, getData(videoEl, settings.data_src));
		videoEl.load();
	};
	var setBackground = function setBackground(element, settings, instance) {
		var bg1xValue = getData(element, settings.data_bg);
		var bgHiDpiValue = getData(element, settings.data_bg_hidpi);
		var bgDataValue = isHiDpi && bgHiDpiValue ? bgHiDpiValue : bg1xValue;
		if (!bgDataValue) return;
		element.style.backgroundImage = 'url("'.concat(bgDataValue, '")');
		getTempImage(element).setAttribute(SRC, bgDataValue);
		manageLoading(element, settings, instance);
	}; // NOTE: THE TEMP IMAGE TRICK CANNOT BE DONE WITH data-multi-bg
	// BECAUSE INSIDE ITS VALUES MUST BE WRAPPED WITH URL() AND ONE OF THEM
	// COULD BE A GRADIENT BACKGROUND IMAGE

	var setMultiBackground = function setMultiBackground(element, settings, instance) {
		var bg1xValue = getData(element, settings.data_bg_multi);
		var bgHiDpiValue = getData(element, settings.data_bg_multi_hidpi);
		var bgDataValue = isHiDpi && bgHiDpiValue ? bgHiDpiValue : bg1xValue;

		if (!bgDataValue) {
			return;
		}

		element.style.backgroundImage = bgDataValue;
		manageApplied(element, settings, instance);
	};
	var setSourcesFunctions = {
		IMG: setSourcesImg,
		IFRAME: setSourcesIframe,
		VIDEO: setSourcesVideo,
	};
	var setSourcesNative = function setSourcesNative(element, settings) {
		var setSourcesFunction = setSourcesFunctions[element.tagName];

		if (!setSourcesFunction) {
			return;
		}

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

		if (!setSourcesFunction) {
			return;
		}

		setSourcesFunction(element, settings);
		manageLoading(element, settings, instance);
	};

	var elementsWithLoadEvent = ['IMG', 'IFRAME', 'VIDEO'];
	var hasLoadEvent = function hasLoadEvent(element) {
		return elementsWithLoadEvent.indexOf(element.tagName) > -1;
	};
	var checkFinish = function checkFinish(settings, instance) {
		if (instance && !isSomethingLoading(instance) && !haveElementsToLoad(instance)) {
			safeCallback(settings.callback_finish, instance);
		}
	};
	var addEventListener = function addEventListener(element, eventName, handler) {
		element.addEventListener(eventName, handler);
		element.llEvLisnrs[eventName] = handler;
	};
	var removeEventListener = function removeEventListener(element, eventName, handler) {
		element.removeEventListener(eventName, handler);
	};
	var hasEventListeners = function hasEventListeners(element) {
		return !!element.llEvLisnrs;
	};
	var addEventListeners = function addEventListeners(element, loadHandler, errorHandler) {
		if (!hasEventListeners(element)) element.llEvLisnrs = {};
		var loadEventName = element.tagName === 'VIDEO' ? 'loadeddata' : 'load';
		addEventListener(element, loadEventName, loadHandler);
		addEventListener(element, 'error', errorHandler);
	};
	var removeEventListeners = function removeEventListeners(element) {
		if (!hasEventListeners(element)) {
			return;
		}

		var eventListeners = element.llEvLisnrs;

		for (var eventName in eventListeners) {
			var handler = eventListeners[eventName];
			removeEventListener(element, eventName, handler);
		}

		delete element.llEvLisnrs;
	};
	var doneHandler = function doneHandler(element, settings, instance) {
		deleteTempImage(element);
		updateLoadingCount(instance, -1);
		decreaseToLoadCount(instance);
		removeClass(element, settings.class_loading);

		if (settings.unobserve_completed) {
			unobserve(element, instance);
		}
	};
	var loadHandler = function loadHandler(event, element, settings, instance) {
		var goingNative = hasStatusNative(element);
		doneHandler(element, settings, instance);
		addClass(element, settings.class_loaded);
		setStatus(element, statusLoaded);
		safeCallback(settings.callback_loaded, element, instance);
		if (!goingNative) checkFinish(settings, instance);
	};
	var errorHandler = function errorHandler(event, element, settings, instance) {
		var goingNative = hasStatusNative(element);
		doneHandler(element, settings, instance);
		addClass(element, settings.class_error);
		setStatus(element, statusError);
		safeCallback(settings.callback_error, element, instance);
		if (!goingNative) checkFinish(settings, instance);
	};
	var addOneShotEventListeners = function addOneShotEventListeners(element, settings, instance) {
		var elementToListenTo = getTempImage(element) || element;

		if (hasEventListeners(elementToListenTo)) {
			// This happens when loading is retried twice
			return;
		}

		var _loadHandler = function _loadHandler(event) {
			loadHandler(event, element, settings, instance);
			removeEventListeners(elementToListenTo);
		};

		var _errorHandler = function _errorHandler(event) {
			errorHandler(event, element, settings, instance);
			removeEventListeners(elementToListenTo);
		};

		addEventListeners(elementToListenTo, _loadHandler, _errorHandler);
	};

	var loadBackground = function loadBackground(element, settings, instance) {
		addTempImage(element);
		addOneShotEventListeners(element, settings, instance);
		saveOriginalBackgroundStyle(element);
		setBackground(element, settings, instance);
		setMultiBackground(element, settings, instance);
	};

	var loadRegular = function loadRegular(element, settings, instance) {
		addOneShotEventListeners(element, settings, instance);
		setSources(element, settings, instance);
	};

	var load = function load(element, settings, instance) {
		if (hasLoadEvent(element)) {
			loadRegular(element, settings, instance);
		} else {
			loadBackground(element, settings, instance);
		}
	};
	var loadNative = function loadNative(element, settings, instance) {
		element.setAttribute('loading', 'lazy');
		addOneShotEventListeners(element, settings, instance);
		setSourcesNative(element, settings);
		setStatus(element, statusNative);
	};

	var removeImageAttributes = function removeImageAttributes(element) {
		element.removeAttribute(SRC);
		element.removeAttribute(SRCSET);
		element.removeAttribute(SIZES);
	};

	var resetSourcesImg = function resetSourcesImg(element) {
		forEachPictureSource(element, function (sourceTag) {
			removeImageAttributes(sourceTag);
		});
		removeImageAttributes(element);
	};

	var restoreImg = function restoreImg(imgEl) {
		forEachPictureSource(imgEl, function (sourceEl) {
			restoreOriginalAttrs(sourceEl, attrsSrcSrcsetSizes);
		});
		restoreOriginalAttrs(imgEl, attrsSrcSrcsetSizes);
	};
	var restoreVideo = function restoreVideo(videoEl) {
		forEachVideoSource(videoEl, function (sourceEl) {
			restoreOriginalAttrs(sourceEl, attrsSrc);
		});
		restoreOriginalAttrs(videoEl, attrsSrcPoster);
		videoEl.load();
	};
	var restoreIframe = function restoreIframe(iframeEl) {
		restoreOriginalAttrs(iframeEl, attrsSrc);
	};
	var restoreFunctions = {
		IMG: restoreImg,
		IFRAME: restoreIframe,
		VIDEO: restoreVideo,
	};

	var restoreAttributes = function restoreAttributes(element) {
		var restoreFunction = restoreFunctions[element.tagName];

		if (!restoreFunction) {
			restoreOriginalBgImage(element);
			return;
		}

		restoreFunction(element);
	};

	var resetClasses = function resetClasses(element, settings) {
		if (hasEmptyStatus(element) || hasStatusNative(element)) {
			return;
		}

		removeClass(element, settings.class_entered);
		removeClass(element, settings.class_exited);
		removeClass(element, settings.class_applied);
		removeClass(element, settings.class_loading);
		removeClass(element, settings.class_loaded);
		removeClass(element, settings.class_error);
	};

	var restore = function restore(element, settings) {
		restoreAttributes(element);
		resetClasses(element, settings);
		resetStatus(element);
		deleteOriginalAttrs(element);
	};

	var cancelLoading = function cancelLoading(element, entry, settings, instance) {
		if (!settings.cancel_on_exit) return;
		if (!hasStatusLoading(element)) return;
		if (element.tagName !== 'IMG') return; //Works only on images

		removeEventListeners(element);
		resetSourcesImg(element);
		restoreImg(element);
		removeClass(element, settings.class_loading);
		updateLoadingCount(instance, -1);
		resetStatus(element);
		safeCallback(settings.callback_cancel, element, entry, instance);
	};

	var onEnter = function onEnter(element, entry, settings, instance) {
		var dontLoad = hadStartedLoading(element);
		/* Save status
    before setting it, to prevent loading it again. Fixes #526. */

		setStatus(element, statusEntered);
		addClass(element, settings.class_entered);
		removeClass(element, settings.class_exited);
		unobserveEntered(element, settings, instance);
		safeCallback(settings.callback_enter, element, entry, instance);
		if (dontLoad) return;
		load(element, settings, instance);
	};
	var onExit = function onExit(element, entry, settings, instance) {
		if (hasEmptyStatus(element)) return; //Ignore the first pass, at landing

		addClass(element, settings.class_exited);
		cancelLoading(element, entry, settings, instance);
		safeCallback(settings.callback_exit, element, entry, instance);
	};

	var tagsWithNativeLazy = ['IMG', 'IFRAME', 'VIDEO'];
	var shouldUseNative = function shouldUseNative(settings) {
		return settings.use_native && 'loading' in HTMLImageElement.prototype;
	};
	var loadAllNative = function loadAllNative(elements, settings, instance) {
		elements.forEach(function (element) {
			if (tagsWithNativeLazy.indexOf(element.tagName) === -1) {
				return;
			}

			loadNative(element, settings, instance);
		});
		setToLoadCount(instance, 0);
	};

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

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

	var intersectionHandler = function intersectionHandler(entries, settings, instance) {
		entries.forEach(function (entry) {
			return isIntersecting(entry) ? onEnter(entry.target, entry, settings, instance) : onExit(entry.target, entry, settings, instance);
		});
	};

	var observeElements = function observeElements(observer, elements) {
		elements.forEach(function (element) {
			observer.observe(element);
		});
	};
	var updateObserver = function updateObserver(observer, elementsToObserve) {
		resetObserver(observer);
		observeElements(observer, elementsToObserve);
	};
	var setObserver = function setObserver(settings, instance) {
		if (!supportsIntersectionObserver || shouldUseNative(settings)) {
			return;
		}

		instance._observer = new IntersectionObserver(function (entries) {
			intersectionHandler(entries, settings, instance);
		}, getObserverSettings(settings));
	};

	var toArray = function toArray(nodeSet) {
		return Array.prototype.slice.call(nodeSet);
	};
	var queryElements = function queryElements(settings) {
		return settings.container.querySelectorAll(settings.elements_selector);
	};
	var excludeManagedElements = function excludeManagedElements(elements) {
		return toArray(elements).filter(hasEmptyStatus);
	};
	var hasError = function hasError(element) {
		return hasStatusError(element);
	};
	var filterErrorElements = function filterErrorElements(elements) {
		return toArray(elements).filter(hasError);
	};
	var getElementsToLoad = function getElementsToLoad(elements, settings) {
		return excludeManagedElements(elements || queryElements(settings));
	};

	var retryLazyLoad = function retryLazyLoad(settings, instance) {
		var errorElements = filterErrorElements(queryElements(settings));
		errorElements.forEach(function (element) {
			removeClass(element, settings.class_error);
			resetStatus(element);
		});
		instance.update();
	};
	var setOnlineCheck = function setOnlineCheck(settings, instance) {
		if (!runningOnBrowser) {
			return;
		}

		window.addEventListener('online', function () {
			retryLazyLoad(settings, instance);
		});
	};

	var LazyLoad = function LazyLoad(customSettings, elements) {
		var settings = getExtendedSettings(customSettings);
		this._settings = settings;
		this.loadingCount = 0;
		setObserver(settings, this);
		setOnlineCheck(settings, this);
		this.update(elements);
	};

	LazyLoad.prototype = {
		update: function update(givenNodeset) {
			var settings = this._settings;
			var elementsToLoad = getElementsToLoad(givenNodeset, settings);
			setToLoadCount(this, elementsToLoad.length);

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

			if (shouldUseNative(settings)) {
				loadAllNative(elementsToLoad, settings, this);
				return;
			}

			updateObserver(this._observer, elementsToLoad);
		},
		destroy: function destroy() {
			// Observer
			if (this._observer) {
				this._observer.disconnect();
			} // Clean custom attributes on elements

			queryElements(this._settings).forEach(function (element) {
				deleteOriginalAttrs(element);
			}); // Delete all internal props

			delete this._observer;
			delete this._settings;
			delete this.loadingCount;
			delete this.toLoadCount;
		},
		loadAll: function loadAll(elements) {
			var _this = this;

			var settings = this._settings;
			var elementsToLoad = getElementsToLoad(elements, settings);
			elementsToLoad.forEach(function (element) {
				unobserve(element, _this);
				load(element, settings, _this);
			});
		},
		restoreAll: function restoreAll() {
			var settings = this._settings;
			queryElements(settings).forEach(function (element) {
				restore(element, settings);
			});
		},
	};

	LazyLoad.load = function (element, customSettings) {
		var settings = getExtendedSettings(customSettings);
		load(element, settings);
	};

	LazyLoad.resetStatus = function (element) {
		resetStatus(element);
	}; // Automatic instances creation if required (useful for async script loading)

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

	return LazyLoad;
});

Youez - 2016 - github.com/yon3zu
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