Lazy Load by WP Rocket - Version 2.1

Version Description

  • Enhancement: Update lazyload script to the latest version
  • Enhancement: Apply lazyload on picture elements found on the page
  • Enhancement: Apply lazyload on div elements with a background image found on the page. See FAQ for more info.
Download this release

Release Info

Developer wp_media
Plugin Icon 128x128 Lazy Load by WP Rocket
Version 2.1
Comparing to
See all releases

Code changes from version 2.0.4 to 2.1

Files changed (16) hide show
  1. assets/js/lazyload-10.19.js +0 -448
  2. assets/js/lazyload-10.19.min.js +0 -2
  3. assets/js/lazyload-10.19.min.js.map +0 -1
  4. assets/js/lazyload-11.0.2.js +458 -0
  5. assets/js/lazyload-11.0.2.min.js +2 -0
  6. assets/js/lazyload-11.0.2.min.js.map +1 -0
  7. assets/js/lazyload-8.17.js +0 -480
  8. assets/js/lazyload-8.17.min.js +0 -2
  9. assets/js/lazyload-8.17.min.js.map +0 -1
  10. composer.lock +5 -5
  11. readme.txt +12 -3
  12. rocket-lazy-load.php +2 -2
  13. src/Subscriber/LazyloadSubscriber.php +3 -3
  14. vendor/composer/installed.json +6 -6
  15. vendor/wp-media/rocket-lazyload-common/src/Assets.php +7 -11
  16. vendor/wp-media/rocket-lazyload-common/src/Image.php +99 -0
assets/js/lazyload-10.19.js DELETED
@@ -1,448 +0,0 @@
1
- var _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; };
2
-
3
- var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
4
-
5
- (function (global, factory) {
6
- (typeof exports === 'undefined' ? 'undefined' : _typeof(exports)) === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.LazyLoad = factory();
7
- })(this, function () {
8
- 'use strict';
9
-
10
- var defaultSettings = {
11
- elements_selector: "img",
12
- container: document,
13
- threshold: 300,
14
- thresholds: null,
15
- data_src: "src",
16
- data_srcset: "srcset",
17
- data_sizes: "sizes",
18
- data_bg: "bg",
19
- class_loading: "loading",
20
- class_loaded: "loaded",
21
- class_error: "error",
22
- load_delay: 0,
23
- callback_load: null,
24
- callback_error: null,
25
- callback_set: null,
26
- callback_enter: null,
27
- callback_finish: null,
28
- to_webp: false
29
- };
30
-
31
- var getInstanceSettings = function getInstanceSettings(customSettings) {
32
- return _extends({}, defaultSettings, customSettings);
33
- };
34
-
35
- var dataPrefix = "data-";
36
- var processedDataName = "was-processed";
37
- var timeoutDataName = "ll-timeout";
38
- var trueString = "true";
39
-
40
- var getData = function getData(element, attribute) {
41
- return element.getAttribute(dataPrefix + attribute);
42
- };
43
-
44
- var setData = function setData(element, attribute, value) {
45
- var attrName = dataPrefix + attribute;
46
- if (value === null) {
47
- element.removeAttribute(attrName);
48
- return;
49
- }
50
- element.setAttribute(attrName, value);
51
- };
52
-
53
- var setWasProcessedData = function setWasProcessedData(element) {
54
- return setData(element, processedDataName, trueString);
55
- };
56
-
57
- var getWasProcessedData = function getWasProcessedData(element) {
58
- return getData(element, processedDataName) === trueString;
59
- };
60
-
61
- var setTimeoutData = function setTimeoutData(element, value) {
62
- return setData(element, timeoutDataName, value);
63
- };
64
-
65
- var getTimeoutData = function getTimeoutData(element) {
66
- return getData(element, timeoutDataName);
67
- };
68
-
69
- var purgeProcessedElements = function purgeProcessedElements(elements) {
70
- return elements.filter(function (element) {
71
- return !getWasProcessedData(element);
72
- });
73
- };
74
-
75
- var purgeOneElement = function purgeOneElement(elements, elementToPurge) {
76
- return elements.filter(function (element) {
77
- return element !== elementToPurge;
78
- });
79
- };
80
-
81
- /* Creates instance and notifies it through the window element */
82
- var createInstance = function createInstance(classObj, options) {
83
- var event;
84
- var eventString = "LazyLoad::Initialized";
85
- var instance = new classObj(options);
86
- try {
87
- // Works in modern browsers
88
- event = new CustomEvent(eventString, { detail: { instance: instance } });
89
- } catch (err) {
90
- // Works in Internet Explorer (all versions)
91
- event = document.createEvent("CustomEvent");
92
- event.initCustomEvent(eventString, false, false, { instance: instance });
93
- }
94
- window.dispatchEvent(event);
95
- };
96
-
97
- /* Auto initialization of one or more instances of lazyload, depending on the
98
- options passed in (plain object or an array) */
99
- function autoInitialize(classObj, options) {
100
- if (!options) {
101
- return;
102
- }
103
- if (!options.length) {
104
- // Plain object
105
- createInstance(classObj, options);
106
- } else {
107
- // Array of objects
108
- for (var i = 0, optionsItem; optionsItem = options[i]; i += 1) {
109
- createInstance(classObj, optionsItem);
110
- }
111
- }
112
- }
113
-
114
- var replaceExtToWebp = function replaceExtToWebp(value, condition) {
115
- return condition ? value.replace(/\.(jpe?g|png)/gi, ".webp") : value;
116
- };
117
-
118
- var detectWebp = function detectWebp() {
119
- var webpString = "image/webp";
120
- var canvas = document.createElement("canvas");
121
-
122
- if (canvas.getContext && canvas.getContext("2d")) {
123
- return canvas.toDataURL(webpString).indexOf('data:' + webpString) === 0;
124
- }
125
-
126
- return false;
127
- };
128
-
129
- var runningOnBrowser = typeof window !== "undefined";
130
-
131
- var isBot = runningOnBrowser && !("onscroll" in window) || /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);
132
-
133
- var supportsIntersectionObserver = runningOnBrowser && "IntersectionObserver" in window;
134
-
135
- var supportsClassList = runningOnBrowser && "classList" in document.createElement("p");
136
-
137
- var supportsWebp = runningOnBrowser && detectWebp();
138
-
139
- var setSourcesInChildren = function setSourcesInChildren(parentTag, attrName, dataAttrName, toWebpFlag) {
140
- for (var i = 0, childTag; childTag = parentTag.children[i]; i += 1) {
141
- if (childTag.tagName === "SOURCE") {
142
- var attrValue = getData(childTag, dataAttrName);
143
- setAttributeIfValue(childTag, attrName, attrValue, toWebpFlag);
144
- }
145
- }
146
- };
147
-
148
- var setAttributeIfValue = function setAttributeIfValue(element, attrName, value, toWebpFlag) {
149
- if (!value) {
150
- return;
151
- }
152
- element.setAttribute(attrName, replaceExtToWebp(value, toWebpFlag));
153
- };
154
-
155
- var setSourcesImg = function setSourcesImg(element, settings) {
156
- var toWebpFlag = supportsWebp && settings.to_webp;
157
- var srcsetDataName = settings.data_srcset;
158
- var parent = element.parentNode;
159
-
160
- if (parent && parent.tagName === "PICTURE") {
161
- setSourcesInChildren(parent, "srcset", srcsetDataName, toWebpFlag);
162
- }
163
- var sizesDataValue = getData(element, settings.data_sizes);
164
- setAttributeIfValue(element, "sizes", sizesDataValue);
165
- var srcsetDataValue = getData(element, srcsetDataName);
166
- setAttributeIfValue(element, "srcset", srcsetDataValue, toWebpFlag);
167
- var srcDataValue = getData(element, settings.data_src);
168
- setAttributeIfValue(element, "src", srcDataValue, toWebpFlag);
169
- };
170
-
171
- var setSourcesIframe = function setSourcesIframe(element, settings) {
172
- var srcDataValue = getData(element, settings.data_src);
173
-
174
- setAttributeIfValue(element, "src", srcDataValue);
175
- };
176
-
177
- var setSourcesVideo = function setSourcesVideo(element, settings) {
178
- var srcDataName = settings.data_src;
179
- var srcDataValue = getData(element, srcDataName);
180
-
181
- setSourcesInChildren(element, "src", srcDataName);
182
- setAttributeIfValue(element, "src", srcDataValue);
183
- element.load();
184
- };
185
-
186
- var setSourcesBgImage = function setSourcesBgImage(element, settings) {
187
- var toWebpFlag = supportsWebp && settings.to_webp;
188
- var srcDataValue = getData(element, settings.data_src);
189
- var bgDataValue = getData(element, settings.data_bg);
190
-
191
- if (srcDataValue) {
192
- var setValue = replaceExtToWebp(srcDataValue, toWebpFlag);
193
- element.style.backgroundImage = 'url("' + setValue + '")';
194
- }
195
-
196
- if (bgDataValue) {
197
- var _setValue = replaceExtToWebp(bgDataValue, toWebpFlag);
198
- element.style.backgroundImage = _setValue;
199
- }
200
- };
201
-
202
- var setSourcesFunctions = {
203
- IMG: setSourcesImg,
204
- IFRAME: setSourcesIframe,
205
- VIDEO: setSourcesVideo
206
- };
207
-
208
- var setSources = function setSources(element, instance) {
209
- var settings = instance._settings;
210
- var tagName = element.tagName;
211
- var setSourcesFunction = setSourcesFunctions[tagName];
212
- if (setSourcesFunction) {
213
- setSourcesFunction(element, settings);
214
- instance._updateLoadingCount(1);
215
- instance._elements = purgeOneElement(instance._elements, element);
216
- return;
217
- }
218
- setSourcesBgImage(element, settings);
219
- };
220
-
221
- var addClass = function addClass(element, className) {
222
- if (supportsClassList) {
223
- element.classList.add(className);
224
- return;
225
- }
226
- element.className += (element.className ? " " : "") + className;
227
- };
228
-
229
- var removeClass = function removeClass(element, className) {
230
- if (supportsClassList) {
231
- element.classList.remove(className);
232
- return;
233
- }
234
- element.className = element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), " ").replace(/^\s+/, "").replace(/\s+$/, "");
235
- };
236
-
237
- var callbackIfSet = function callbackIfSet(callback, argument) {
238
- if (callback) {
239
- callback(argument);
240
- }
241
- };
242
-
243
- var genericLoadEventName = "load";
244
- var mediaLoadEventName = "loadeddata";
245
- var errorEventName = "error";
246
-
247
- var addEventListener = function addEventListener(element, eventName, handler) {
248
- element.addEventListener(eventName, handler);
249
- };
250
-
251
- var removeEventListener = function removeEventListener(element, eventName, handler) {
252
- element.removeEventListener(eventName, handler);
253
- };
254
-
255
- var addEventListeners = function addEventListeners(element, loadHandler, errorHandler) {
256
- addEventListener(element, genericLoadEventName, loadHandler);
257
- addEventListener(element, mediaLoadEventName, loadHandler);
258
- addEventListener(element, errorEventName, errorHandler);
259
- };
260
-
261
- var removeEventListeners = function removeEventListeners(element, loadHandler, errorHandler) {
262
- removeEventListener(element, genericLoadEventName, loadHandler);
263
- removeEventListener(element, mediaLoadEventName, loadHandler);
264
- removeEventListener(element, errorEventName, errorHandler);
265
- };
266
-
267
- var eventHandler = function eventHandler(event, success, instance) {
268
- var settings = instance._settings;
269
- var className = success ? settings.class_loaded : settings.class_error;
270
- var callback = success ? settings.callback_load : settings.callback_error;
271
- var element = event.target;
272
-
273
- removeClass(element, settings.class_loading);
274
- addClass(element, className);
275
- callbackIfSet(callback, element);
276
-
277
- instance._updateLoadingCount(-1);
278
- };
279
-
280
- var addOneShotEventListeners = function addOneShotEventListeners(element, instance) {
281
- var loadHandler = function loadHandler(event) {
282
- eventHandler(event, true, instance);
283
- removeEventListeners(element, loadHandler, errorHandler);
284
- };
285
- var errorHandler = function errorHandler(event) {
286
- eventHandler(event, false, instance);
287
- removeEventListeners(element, loadHandler, errorHandler);
288
- };
289
- addEventListeners(element, loadHandler, errorHandler);
290
- };
291
-
292
- var managedTags = ["IMG", "IFRAME", "VIDEO"];
293
-
294
- var loadAndUnobserve = function loadAndUnobserve(element, observer, instance) {
295
- revealElement(element, instance);
296
- observer.unobserve(element);
297
- };
298
-
299
- var cancelDelayLoad = function cancelDelayLoad(element) {
300
- var timeoutId = getTimeoutData(element);
301
- if (!timeoutId) {
302
- return; // do nothing if timeout doesn't exist
303
- }
304
- clearTimeout(timeoutId);
305
- setTimeoutData(element, null);
306
- };
307
-
308
- var delayLoad = function delayLoad(element, observer, instance) {
309
- var loadDelay = instance._settings.load_delay;
310
- var timeoutId = getTimeoutData(element);
311
- if (timeoutId) {
312
- return; // do nothing if timeout already set
313
- }
314
- timeoutId = setTimeout(function () {
315
- loadAndUnobserve(element, observer, instance);
316
- cancelDelayLoad(element);
317
- }, loadDelay);
318
- setTimeoutData(element, timeoutId);
319
- };
320
-
321
- function revealElement(element, instance, force) {
322
- var settings = instance._settings;
323
- if (!force && getWasProcessedData(element)) {
324
- return; // element has already been processed and force wasn't true
325
- }
326
- callbackIfSet(settings.callback_enter, element);
327
- if (managedTags.indexOf(element.tagName) > -1) {
328
- addOneShotEventListeners(element, instance);
329
- addClass(element, settings.class_loading);
330
- }
331
- setSources(element, instance);
332
- setWasProcessedData(element);
333
- callbackIfSet(settings.callback_set, element);
334
- }
335
-
336
- /* entry.isIntersecting needs fallback because is null on some versions of MS Edge, and
337
- entry.intersectionRatio is not enough alone because it could be 0 on some intersecting elements */
338
- var isIntersecting = function isIntersecting(entry) {
339
- return entry.isIntersecting || entry.intersectionRatio > 0;
340
- };
341
-
342
- var getObserverSettings = function getObserverSettings(settings) {
343
- return {
344
- root: settings.container === document ? null : settings.container,
345
- rootMargin: settings.thresholds || settings.threshold + "px"
346
- };
347
- };
348
-
349
- var LazyLoad = function LazyLoad(customSettings, elements) {
350
- this._settings = getInstanceSettings(customSettings);
351
- this._setObserver();
352
- this._loadingCount = 0;
353
- this.update(elements);
354
- };
355
-
356
- LazyLoad.prototype = {
357
- _manageIntersection: function _manageIntersection(entry) {
358
- var observer = this._observer;
359
- var loadDelay = this._settings.load_delay;
360
- var element = entry.target;
361
-
362
- // WITHOUT LOAD DELAY
363
- if (!loadDelay) {
364
- if (isIntersecting(entry)) {
365
- loadAndUnobserve(element, observer, this);
366
- }
367
- return;
368
- }
369
-
370
- // WITH LOAD DELAY
371
- if (isIntersecting(entry)) {
372
- delayLoad(element, observer, this);
373
- } else {
374
- cancelDelayLoad(element);
375
- }
376
- },
377
-
378
- _onIntersection: function _onIntersection(entries) {
379
- entries.forEach(this._manageIntersection.bind(this));
380
- },
381
-
382
- _setObserver: function _setObserver() {
383
- if (!supportsIntersectionObserver) {
384
- return;
385
- }
386
- this._observer = new IntersectionObserver(this._onIntersection.bind(this), getObserverSettings(this._settings));
387
- },
388
-
389
- _updateLoadingCount: function _updateLoadingCount(plusMinus) {
390
- this._loadingCount += plusMinus;
391
- if (this._elements.length === 0 && this._loadingCount === 0) {
392
- callbackIfSet(this._settings.callback_finish);
393
- }
394
- },
395
-
396
- update: function update(elements) {
397
- var _this = this;
398
-
399
- var settings = this._settings;
400
- var nodeSet = elements || settings.container.querySelectorAll(settings.elements_selector);
401
-
402
- this._elements = purgeProcessedElements(Array.prototype.slice.call(nodeSet) // NOTE: nodeset to array for IE compatibility
403
- );
404
-
405
- if (isBot || !this._observer) {
406
- this.loadAll();
407
- return;
408
- }
409
-
410
- this._elements.forEach(function (element) {
411
- _this._observer.observe(element);
412
- });
413
- },
414
-
415
- destroy: function destroy() {
416
- var _this2 = this;
417
-
418
- if (this._observer) {
419
- this._elements.forEach(function (element) {
420
- _this2._observer.unobserve(element);
421
- });
422
- this._observer = null;
423
- }
424
- this._elements = null;
425
- this._settings = null;
426
- },
427
-
428
- load: function load(element, force) {
429
- revealElement(element, this, force);
430
- },
431
-
432
- loadAll: function loadAll() {
433
- var _this3 = this;
434
-
435
- var elements = this._elements;
436
- elements.forEach(function (element) {
437
- _this3.load(element);
438
- });
439
- }
440
- };
441
-
442
- /* Automatic instances creation if required (useful for async script loading) */
443
- if (runningOnBrowser) {
444
- autoInitialize(LazyLoad, window.lazyLoadOptions);
445
- }
446
-
447
- return LazyLoad;
448
- });
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
assets/js/lazyload-10.19.min.js DELETED
@@ -1,2 +0,0 @@
1
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createInstance = function(classObj, options) {\n\tvar event;\n\tlet eventString = \"LazyLoad::Initialized\";\n\tlet instance = new classObj(options);\n\ttry {\n\t\t// Works in modern browsers\n\t\tevent = new CustomEvent(eventString, { detail: { instance } });\n\t} catch (err) {\n\t\t// Works in Internet Explorer (all versions)\n\t\tevent = document.createEvent(\"CustomEvent\");\n\t\tevent.initCustomEvent(eventString, false, false, { instance });\n\t}\n\twindow.dispatchEvent(event);\n};\n\n/* Auto initialization of one or more instances of lazyload, depending on the \n options passed in (plain object or an array) */\nfunction autoInitialize(classObj, options) {\n\tif (!options) {\n\t\treturn;\n\t}\n\tif (!options.length) {\n\t\t// Plain object\n\t\tcreateInstance(classObj, options);\n\t} else {\n\t\t// Array of objects\n\t\tfor (let i = 0, optionsItem; (optionsItem = options[i]); i += 1) {\n\t\t\tcreateInstance(classObj, optionsItem);\n\t\t}\n\t}\n}\n\nconst replaceExtToWebp = (value, condition) =>\n\tcondition ? value.replace(/\\.(jpe?g|png)/gi, \".webp\") : value;\n\nconst detectWebp = () => {\n\tvar webpString = \"image/webp\";\n\tvar canvas = document.createElement(\"canvas\");\n\n\tif (canvas.getContext && canvas.getContext(\"2d\")) {\n\t\treturn canvas.toDataURL(webpString).indexOf(`data:${webpString}`) === 0;\n\t}\n\n\treturn false;\n};\n\nconst runningOnBrowser = typeof window !== \"undefined\";\n\nconst isBot =\n\t(runningOnBrowser && !(\"onscroll\" in window)) ||\n\t/(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);\n\nconst supportsIntersectionObserver =\n\trunningOnBrowser && \"IntersectionObserver\" in window;\n\nconst supportsClassList =\n\trunningOnBrowser && \"classList\" in document.createElement(\"p\");\n\nconst supportsWebp = runningOnBrowser && detectWebp();\n\nconst setSourcesInChildren = function(\n\tparentTag,\n\tattrName,\n\tdataAttrName,\n\ttoWebpFlag\n) {\n\tfor (let i = 0, childTag; (childTag = parentTag.children[i]); i += 1) {\n\t\tif (childTag.tagName === \"SOURCE\") {\n\t\t\tlet attrValue = getData(childTag, dataAttrName);\n\t\t\tsetAttributeIfValue(childTag, attrName, attrValue, toWebpFlag);\n\t\t}\n\t}\n};\n\nconst setAttributeIfValue = function(\n\telement,\n\tattrName,\n\tvalue,\n\ttoWebpFlag\n) {\n\tif (!value) {\n\t\treturn;\n\t}\n\telement.setAttribute(attrName, replaceExtToWebp(value, toWebpFlag));\n};\n\nconst setSourcesImg = (element, settings) => {\n\tconst toWebpFlag = supportsWebp && settings.to_webp;\n\tconst srcsetDataName = settings.data_srcset;\n\tconst parent = element.parentNode;\n\n\tif (parent && parent.tagName === \"PICTURE\") {\n\t\tsetSourcesInChildren(parent, \"srcset\", srcsetDataName, toWebpFlag);\n\t}\n\tconst sizesDataValue = getData(element, settings.data_sizes);\n\tsetAttributeIfValue(element, \"sizes\", sizesDataValue);\n\tconst srcsetDataValue = getData(element, srcsetDataName);\n\tsetAttributeIfValue(element, \"srcset\", srcsetDataValue, toWebpFlag);\n\tconst srcDataValue = getData(element, settings.data_src);\n\tsetAttributeIfValue(element, \"src\", srcDataValue, toWebpFlag);\n};\n\nconst setSourcesIframe = (element, settings) => {\n\tconst srcDataValue = getData(element, settings.data_src);\n\n\tsetAttributeIfValue(element, \"src\", srcDataValue);\n};\n\nconst setSourcesVideo = (element, settings) => {\n\tconst srcDataName = settings.data_src;\n\tconst srcDataValue = getData(element, srcDataName);\n\n\tsetSourcesInChildren(element, \"src\", srcDataName);\n\tsetAttributeIfValue(element, \"src\", srcDataValue);\n\telement.load();\n};\n\nconst setSourcesBgImage = (element, settings) => {\n\tconst toWebpFlag = supportsWebp && settings.to_webp;\n\tconst srcDataValue = getData(element, settings.data_src);\n\tconst bgDataValue = getData(element, settings.data_bg);\n\n\tif (srcDataValue) {\n\t\tlet setValue = replaceExtToWebp(srcDataValue, toWebpFlag);\n\t\telement.style.backgroundImage = `url(\"${setValue}\")`;\n\t}\n\n\tif (bgDataValue) {\n\t\tlet setValue = replaceExtToWebp(bgDataValue, toWebpFlag);\n\t\telement.style.backgroundImage = setValue;\n\t}\n};\n\nconst setSourcesFunctions = {\n\tIMG: setSourcesImg,\n\tIFRAME: setSourcesIframe,\n\tVIDEO: setSourcesVideo\n};\n\nconst setSources = (element, instance) => {\n\tconst settings = instance._settings;\n\tconst tagName = element.tagName;\n\tconst setSourcesFunction = setSourcesFunctions[tagName];\n\tif (setSourcesFunction) {\n\t\tsetSourcesFunction(element, settings);\n\t\tinstance._updateLoadingCount(1);\n\t\tinstance._elements = purgeOneElement(instance._elements, element);\n\t\treturn;\n\t}\n\tsetSourcesBgImage(element, settings);\n};\n\nconst addClass = (element, className) => {\n\tif (supportsClassList) {\n\t\telement.classList.add(className);\n\t\treturn;\n\t}\n\telement.className += (element.className ? \" \" : \"\") + className;\n};\n\nconst removeClass = (element, className) => {\n\tif (supportsClassList) {\n\t\telement.classList.remove(className);\n\t\treturn;\n\t}\n\telement.className = element.className.\n\t\treplace(new RegExp(\"(^|\\\\s+)\" + className + \"(\\\\s+|$)\"), \" \").\n\t\treplace(/^\\s+/, \"\").\n\t\treplace(/\\s+$/, \"\");\n};\n\nconst callbackIfSet = (callback, argument) => {\n\tif (callback) {\n\t\tcallback(argument);\n\t}\n};\n\nconst genericLoadEventName = \"load\";\nconst mediaLoadEventName = \"loadeddata\";\nconst errorEventName = \"error\";\n\nconst addEventListener = (element, eventName, handler) => {\n\telement.addEventListener(eventName, handler);\n};\n\nconst removeEventListener = (element, eventName, handler) => {\n\telement.removeEventListener(eventName, handler);\n};\n\nconst addEventListeners = (element, loadHandler, errorHandler) => {\n\taddEventListener(element, genericLoadEventName, loadHandler);\n\taddEventListener(element, mediaLoadEventName, loadHandler);\n\taddEventListener(element, errorEventName, errorHandler);\n};\n\nconst removeEventListeners = (element, loadHandler, errorHandler) => {\n\tremoveEventListener(element, genericLoadEventName, loadHandler);\n\tremoveEventListener(element, mediaLoadEventName, loadHandler);\n\tremoveEventListener(element, errorEventName, errorHandler);\n};\n\nconst eventHandler = function(event, success, instance) {\n\tvar settings = instance._settings;\n\tconst className = success ? settings.class_loaded : settings.class_error;\n\tconst callback = success ? settings.callback_load : settings.callback_error;\n\tconst element = event.target;\n\n\tremoveClass(element, settings.class_loading);\n\taddClass(element, className);\n\tcallbackIfSet(callback, element);\n\n\tinstance._updateLoadingCount(-1);\n};\n\nconst addOneShotEventListeners = (element, instance) => {\n\tconst loadHandler = event => {\n\t\teventHandler(event, true, instance);\n\t\tremoveEventListeners(element, loadHandler, errorHandler);\n\t};\n\tconst errorHandler = event => {\n\t\teventHandler(event, false, instance);\n\t\tremoveEventListeners(element, loadHandler, errorHandler);\n\t};\n\taddEventListeners(element, loadHandler, errorHandler);\n};\n\nconst managedTags = [\"IMG\", \"IFRAME\", \"VIDEO\"];\n\nconst loadAndUnobserve = (element, observer, instance) => {\n\trevealElement(element, instance);\n\tobserver.unobserve(element);\n};\n\nconst cancelDelayLoad = element => {\n\tvar timeoutId = getTimeoutData(element);\n\tif (!timeoutId) {\n\t\treturn; // do nothing if timeout doesn't exist\n\t}\n\tclearTimeout(timeoutId);\n\tsetTimeoutData(element, null);\n};\n\nconst delayLoad = (element, observer, instance) => {\n\tvar loadDelay = instance._settings.load_delay;\n\tvar timeoutId = getTimeoutData(element);\n\tif (timeoutId) {\n\t\treturn; // do nothing if timeout already set\n\t}\n\ttimeoutId = setTimeout(function() {\n\t\tloadAndUnobserve(element, observer, instance);\n\t\tcancelDelayLoad(element);\n\t}, loadDelay);\n\tsetTimeoutData(element, timeoutId);\n};\n\nfunction revealElement(element, instance, force) {\n\tvar settings = instance._settings;\n\tif (!force && getWasProcessedData(element)) {\n\t\treturn; // element has already been processed and force wasn't true\n\t}\n\tcallbackIfSet(settings.callback_enter, element);\n\tif (managedTags.indexOf(element.tagName) > -1) {\n\t\taddOneShotEventListeners(element, instance);\n\t\taddClass(element, settings.class_loading);\n\t}\n\tsetSources(element, instance);\n\tsetWasProcessedData(element);\n\tcallbackIfSet(settings.callback_set, element);\n}\n\n/* entry.isIntersecting needs fallback because is null on some versions of MS Edge, and\n entry.intersectionRatio is not enough alone because it could be 0 on some intersecting elements */\nconst isIntersecting = entry =>\n\tentry.isIntersecting || entry.intersectionRatio > 0;\n\nconst getObserverSettings = settings => ({\n\troot: settings.container === document ? null : settings.container,\n\trootMargin: settings.thresholds || settings.threshold + \"px\"\n});\n\nconst LazyLoad = function(customSettings, elements) {\n\tthis._settings = getInstanceSettings(customSettings);\n\tthis._setObserver();\n\tthis._loadingCount = 0;\n\tthis.update(elements);\n};\n\nLazyLoad.prototype = {\n\t_manageIntersection: function(entry) {\n\t\tvar observer = this._observer;\n\t\tvar loadDelay = this._settings.load_delay;\n\t\tvar element = entry.target;\n\n\t\t// WITHOUT LOAD DELAY\n\t\tif (!loadDelay) {\n\t\t\tif (isIntersecting(entry)) {\n\t\t\t\tloadAndUnobserve(element, observer, this);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n\n\t\t// WITH LOAD DELAY\n\t\tif (isIntersecting(entry)) {\n\t\t\tdelayLoad(element, observer, this);\n\t\t} else {\n\t\t\tcancelDelayLoad(element);\n\t\t}\n\t},\n\n\t_onIntersection: function(entries) {\n\t\tentries.forEach(this._manageIntersection.bind(this));\n\t},\n\n\t_setObserver: function() {\n\t\tif (!supportsIntersectionObserver) {\n\t\t\treturn;\n\t\t}\n\t\tthis._observer = new IntersectionObserver(\n\t\t\tthis._onIntersection.bind(this),\n\t\t\tgetObserverSettings(this._settings)\n\t\t);\n\t},\n\n\t_updateLoadingCount: function(plusMinus) {\n\t\tthis._loadingCount += plusMinus;\n\t\tif (this._elements.length === 0 && this._loadingCount === 0) {\n\t\t\tcallbackIfSet(this._settings.callback_finish);\n\t\t}\n\t},\n\n\tupdate: function(elements) {\n\t\tconst settings = this._settings;\n\t\tconst nodeSet =\n\t\t\telements ||\n\t\t\tsettings.container.querySelectorAll(settings.elements_selector);\n\n\t\tthis._elements = purgeProcessedElements(\n\t\t\tArray.prototype.slice.call(nodeSet) // NOTE: nodeset to array for IE compatibility\n\t\t);\n\n\t\tif (isBot || !this._observer) {\n\t\t\tthis.loadAll();\n\t\t\treturn;\n\t\t}\n\n\t\tthis._elements.forEach(element => {\n\t\t\tthis._observer.observe(element);\n\t\t});\n\t},\n\n\tdestroy: function() {\n\t\tif (this._observer) {\n\t\t\tthis._elements.forEach(element => {\n\t\t\t\tthis._observer.unobserve(element);\n\t\t\t});\n\t\t\tthis._observer = null;\n\t\t}\n\t\tthis._elements = null;\n\t\tthis._settings = null;\n\t},\n\n\tload: function(element, force) {\n\t\trevealElement(element, this, force);\n\t},\n\n\tloadAll: function() {\n\t\tvar elements = this._elements;\n\t\telements.forEach(element => {\n\t\t\tthis.load(element);\n\t\t});\n\t}\n};\n\n/* Automatic instances creation if required (useful for async script loading) */\nif (runningOnBrowser) {\n\tautoInitialize(LazyLoad, window.lazyLoadOptions);\n}\n\nreturn LazyLoad;\n\n})));\n"]}
 
assets/js/lazyload-11.0.2.js ADDED
@@ -0,0 +1,458 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 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); }
2
+
3
+ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
4
+
5
+ (function (global, factory) {
6
+ (typeof exports === "undefined" ? "undefined" : _typeof(exports)) === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.LazyLoad = factory();
7
+ })(this, function () {
8
+ 'use strict';
9
+
10
+ var runningOnBrowser = typeof window !== "undefined";
11
+ var isBot = runningOnBrowser && !("onscroll" in window) || typeof navigator !== "undefined" && /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);
12
+ var supportsIntersectionObserver = runningOnBrowser && "IntersectionObserver" in window;
13
+ var supportsClassList = runningOnBrowser && "classList" in document.createElement("p");
14
+ var defaultSettings = {
15
+ elements_selector: "img",
16
+ container: isBot || runningOnBrowser ? document : null,
17
+ threshold: 300,
18
+ thresholds: null,
19
+ data_src: "src",
20
+ data_srcset: "srcset",
21
+ data_sizes: "sizes",
22
+ data_bg: "bg",
23
+ class_loading: "loading",
24
+ class_loaded: "loaded",
25
+ class_error: "error",
26
+ load_delay: 0,
27
+ auto_unobserve: true,
28
+ callback_enter: null,
29
+ callback_exit: null,
30
+ callback_reveal: null,
31
+ callback_loaded: null,
32
+ callback_error: null,
33
+ callback_finish: null
34
+ };
35
+
36
+ var getInstanceSettings = function getInstanceSettings(customSettings) {
37
+ return _extends({}, defaultSettings, customSettings);
38
+ };
39
+
40
+ var dataPrefix = "data-";
41
+ var processedDataName = "was-processed";
42
+ var timeoutDataName = "ll-timeout";
43
+ var trueString = "true";
44
+
45
+ var getData = function getData(element, attribute) {
46
+ return element.getAttribute(dataPrefix + attribute);
47
+ };
48
+
49
+ var setData = function setData(element, attribute, value) {
50
+ var attrName = dataPrefix + attribute;
51
+
52
+ if (value === null) {
53
+ element.removeAttribute(attrName);
54
+ return;
55
+ }
56
+
57
+ element.setAttribute(attrName, value);
58
+ };
59
+
60
+ var setWasProcessedData = function setWasProcessedData(element) {
61
+ return setData(element, processedDataName, trueString);
62
+ };
63
+
64
+ var getWasProcessedData = function getWasProcessedData(element) {
65
+ return getData(element, processedDataName) === trueString;
66
+ };
67
+
68
+ var setTimeoutData = function setTimeoutData(element, value) {
69
+ return setData(element, timeoutDataName, value);
70
+ };
71
+
72
+ var getTimeoutData = function getTimeoutData(element) {
73
+ return getData(element, timeoutDataName);
74
+ };
75
+
76
+ var purgeProcessedElements = function purgeProcessedElements(elements) {
77
+ return elements.filter(function (element) {
78
+ return !getWasProcessedData(element);
79
+ });
80
+ };
81
+
82
+ var purgeOneElement = function purgeOneElement(elements, elementToPurge) {
83
+ return elements.filter(function (element) {
84
+ return element !== elementToPurge;
85
+ });
86
+ };
87
+ /* Creates instance and notifies it through the window element */
88
+
89
+
90
+ var createInstance = function createInstance(classObj, options) {
91
+ var event;
92
+ var eventString = "LazyLoad::Initialized";
93
+ var instance = new classObj(options);
94
+
95
+ try {
96
+ // Works in modern browsers
97
+ event = new CustomEvent(eventString, {
98
+ detail: {
99
+ instance: instance
100
+ }
101
+ });
102
+ } catch (err) {
103
+ // Works in Internet Explorer (all versions)
104
+ event = document.createEvent("CustomEvent");
105
+ event.initCustomEvent(eventString, false, false, {
106
+ instance: instance
107
+ });
108
+ }
109
+
110
+ window.dispatchEvent(event);
111
+ };
112
+ /* Auto initialization of one or more instances of lazyload, depending on the
113
+ options passed in (plain object or an array) */
114
+
115
+
116
+ function autoInitialize(classObj, options) {
117
+ if (!options) {
118
+ return;
119
+ }
120
+
121
+ if (!options.length) {
122
+ // Plain object
123
+ createInstance(classObj, options);
124
+ } else {
125
+ // Array of objects
126
+ for (var i = 0, optionsItem; optionsItem = options[i]; i += 1) {
127
+ createInstance(classObj, optionsItem);
128
+ }
129
+ }
130
+ }
131
+
132
+ var callbackIfSet = function callbackIfSet(callback, argument) {
133
+ if (callback) {
134
+ callback(argument);
135
+ }
136
+ };
137
+
138
+ var updateLoadingCount = function updateLoadingCount(instance, plusMinus) {
139
+ instance._loadingCount += plusMinus;
140
+
141
+ if (instance._elements.length === 0 && instance._loadingCount === 0) {
142
+ callbackIfSet(instance._settings.callback_finish);
143
+ }
144
+ };
145
+
146
+ var getSourceTags = function getSourceTags(parentTag) {
147
+ var sourceTags = [];
148
+
149
+ for (var i = 0, childTag; childTag = parentTag.children[i]; i += 1) {
150
+ if (childTag.tagName === "SOURCE") {
151
+ sourceTags.push(childTag);
152
+ }
153
+ }
154
+
155
+ return sourceTags;
156
+ };
157
+
158
+ var setAttributeIfValue = function setAttributeIfValue(element, attrName, value) {
159
+ if (!value) {
160
+ return;
161
+ }
162
+
163
+ element.setAttribute(attrName, value);
164
+ };
165
+
166
+ var setImageAttributes = function setImageAttributes(element, settings) {
167
+ setAttributeIfValue(element, "sizes", getData(element, settings.data_sizes));
168
+ setAttributeIfValue(element, "srcset", getData(element, settings.data_srcset));
169
+ setAttributeIfValue(element, "src", getData(element, settings.data_src));
170
+ };
171
+
172
+ var setSourcesImg = function setSourcesImg(element, settings) {
173
+ var parent = element.parentNode;
174
+
175
+ if (parent && parent.tagName === "PICTURE") {
176
+ var sourceTags = getSourceTags(parent);
177
+ sourceTags.forEach(function (sourceTag) {
178
+ setImageAttributes(sourceTag, settings);
179
+ });
180
+ }
181
+
182
+ setImageAttributes(element, settings);
183
+ };
184
+
185
+ var setSourcesIframe = function setSourcesIframe(element, settings) {
186
+ setAttributeIfValue(element, "src", getData(element, settings.data_src));
187
+ };
188
+
189
+ var setSourcesVideo = function setSourcesVideo(element, settings) {
190
+ var sourceTags = getSourceTags(element);
191
+ sourceTags.forEach(function (sourceTag) {
192
+ setAttributeIfValue(sourceTag, "src", getData(sourceTag, settings.data_src));
193
+ });
194
+ setAttributeIfValue(element, "src", getData(element, settings.data_src));
195
+ element.load();
196
+ };
197
+
198
+ var setSourcesBgImage = function setSourcesBgImage(element, settings) {
199
+ var srcDataValue = getData(element, settings.data_src);
200
+ var bgDataValue = getData(element, settings.data_bg);
201
+
202
+ if (srcDataValue) {
203
+ element.style.backgroundImage = "url(\"".concat(srcDataValue, "\")");
204
+ }
205
+
206
+ if (bgDataValue) {
207
+ element.style.backgroundImage = bgDataValue;
208
+ }
209
+ };
210
+
211
+ var setSourcesFunctions = {
212
+ IMG: setSourcesImg,
213
+ IFRAME: setSourcesIframe,
214
+ VIDEO: setSourcesVideo
215
+ };
216
+
217
+ var setSources = function setSources(element, instance) {
218
+ var settings = instance._settings;
219
+ var tagName = element.tagName;
220
+ var setSourcesFunction = setSourcesFunctions[tagName];
221
+
222
+ if (setSourcesFunction) {
223
+ setSourcesFunction(element, settings);
224
+ updateLoadingCount(instance, 1);
225
+ instance._elements = purgeOneElement(instance._elements, element);
226
+ return;
227
+ }
228
+
229
+ setSourcesBgImage(element, settings);
230
+ };
231
+
232
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+ if (supportsClassList) {
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+ element.classList.add(className);
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+ return;
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+ }
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+
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+ element.className += (element.className ? " " : "") + className;
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+ };
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+
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+ var removeClass = function removeClass(element, className) {
242
+ if (supportsClassList) {
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+ element.classList.remove(className);
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+ return;
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+ }
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+
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+ element.className = element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), " ").replace(/^\s+/, "").replace(/\s+$/, "");
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+ };
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+
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+ var genericLoadEventName = "load";
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+ var mediaLoadEventName = "loadeddata";
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+ var errorEventName = "error";
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+
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+ var addEventListener = function addEventListener(element, eventName, handler) {
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+ element.addEventListener(eventName, handler);
256
+ };
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+
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+ var removeEventListener = function removeEventListener(element, eventName, handler) {
259
+ element.removeEventListener(eventName, handler);
260
+ };
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+
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+ var addEventListeners = function addEventListeners(element, loadHandler, errorHandler) {
263
+ addEventListener(element, genericLoadEventName, loadHandler);
264
+ addEventListener(element, mediaLoadEventName, loadHandler);
265
+ addEventListener(element, errorEventName, errorHandler);
266
+ };
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+
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+ var removeEventListeners = function removeEventListeners(element, loadHandler, errorHandler) {
269
+ removeEventListener(element, genericLoadEventName, loadHandler);
270
+ removeEventListener(element, mediaLoadEventName, loadHandler);
271
+ removeEventListener(element, errorEventName, errorHandler);
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+ };
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+
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+ var eventHandler = function eventHandler(event, success, instance) {
275
+ var settings = instance._settings;
276
+ var className = success ? settings.class_loaded : settings.class_error;
277
+ var callback = success ? settings.callback_loaded : settings.callback_error;
278
+ var element = event.target;
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+ removeClass(element, settings.class_loading);
280
+ addClass(element, className);
281
+ callbackIfSet(callback, element);
282
+ updateLoadingCount(instance, -1);
283
+ };
284
+
285
+ var addOneShotEventListeners = function addOneShotEventListeners(element, instance) {
286
+ var loadHandler = function loadHandler(event) {
287
+ eventHandler(event, true, instance);
288
+ removeEventListeners(element, loadHandler, errorHandler);
289
+ };
290
+
291
+ var errorHandler = function errorHandler(event) {
292
+ eventHandler(event, false, instance);
293
+ removeEventListeners(element, loadHandler, errorHandler);
294
+ };
295
+
296
+ addEventListeners(element, loadHandler, errorHandler);
297
+ };
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+
299
+ var managedTags = ["IMG", "IFRAME", "VIDEO"];
300
+
301
+ var onEnter = function onEnter(element, instance) {
302
+ var settings = instance._settings;
303
+ callbackIfSet(settings.callback_enter, element);
304
+
305
+ if (!settings.load_delay) {
306
+ revealAndUnobserve(element, instance);
307
+ return;
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+ }
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+
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+ delayLoad(element, instance);
311
+ };
312
+
313
+ var revealAndUnobserve = function revealAndUnobserve(element, instance) {
314
+ var observer = instance._observer;
315
+ revealElement(element, instance);
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+
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+ if (observer && instance._settings.auto_unobserve) {
318
+ observer.unobserve(element);
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+ }
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+ };
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+
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+ var onExit = function onExit(element, instance) {
323
+ var settings = instance._settings;
324
+ callbackIfSet(settings.callback_exit, element);
325
+
326
+ if (!settings.load_delay) {
327
+ return;
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+ }
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+
330
+ cancelDelayLoad(element);
331
+ };
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+
333
+ var cancelDelayLoad = function cancelDelayLoad(element) {
334
+ var timeoutId = getTimeoutData(element);
335
+
336
+ if (!timeoutId) {
337
+ return; // do nothing if timeout doesn't exist
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+ }
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+
340
+ clearTimeout(timeoutId);
341
+ setTimeoutData(element, null);
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+ };
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+
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+ var delayLoad = function delayLoad(element, instance) {
345
+ var loadDelay = instance._settings.load_delay;
346
+ var timeoutId = getTimeoutData(element);
347
+
348
+ if (timeoutId) {
349
+ return; // do nothing if timeout already set
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+ }
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+
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+ timeoutId = setTimeout(function () {
353
+ revealAndUnobserve(element, instance);
354
+ cancelDelayLoad(element);
355
+ }, loadDelay);
356
+ setTimeoutData(element, timeoutId);
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+ };
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+
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+ var revealElement = function revealElement(element, instance, force) {
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+ var settings = instance._settings;
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+
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+ if (!force && getWasProcessedData(element)) {
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+ return; // element has already been processed and force wasn't true
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+ }
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+
366
+ if (managedTags.indexOf(element.tagName) > -1) {
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+ addOneShotEventListeners(element, instance);
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+ addClass(element, settings.class_loading);
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+ }
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+
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+ setSources(element, instance);
372
+ setWasProcessedData(element);
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+ callbackIfSet(settings.callback_reveal, element);
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+ };
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+
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+ var isIntersecting = function isIntersecting(entry) {
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+ return entry.intersectionRatio > 0;
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+ };
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+
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+ var getObserverSettings = function getObserverSettings(settings) {
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+ return {
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+ root: settings.container === document ? null : settings.container,
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+ rootMargin: settings.thresholds || settings.threshold + "px"
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+ };
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+ };
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+
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+ var setObserver = function setObserver(instance) {
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+ if (!supportsIntersectionObserver) {
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+ return false;
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+ }
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+
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+ instance._observer = new IntersectionObserver(function (entries) {
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+ entries.forEach(function (entry) {
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+ return isIntersecting(entry) ? onEnter(entry.target, instance) : onExit(entry.target, instance);
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+ });
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+ }, getObserverSettings(instance._settings));
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+ };
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+ var LazyLoad = function LazyLoad(customSettings, elements) {
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+ this._loadingCount = 0;
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+ setObserver(this);
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+ this.update(elements);
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+ };
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+
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+ LazyLoad.prototype = {
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+ update: function update(elements) {
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+ var settings = this._settings;
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+ var nodeSet = elements || settings.container.querySelectorAll(settings.elements_selector);
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+ this._elements = null;
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+ this._settings = null;
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+ },
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+ load: function load(element, force) {
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+ revealElement(element, this, force);
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+ elements.forEach(function (element) {
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+ revealAndUnobserve(element, _this3);
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+ });
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+ }
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+ };
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+ /* Automatic instances creation if required (useful for async script loading) */
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+
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+ if (runningOnBrowser) {
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+ autoInitialize(LazyLoad, window.lazyLoadOptions);
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+ }
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+
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+ return LazyLoad;
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settings.callback_loaded\n\t\t: settings.callback_error;\n\tconst element = event.target;\n\n\tremoveClass(element, settings.class_loading);\n\taddClass(element, className);\n\tcallbackIfSet(callback, element);\n\n\tupdateLoadingCount(instance, -1);\n};\n\nconst addOneShotEventListeners = (element, instance) => {\n\tconst loadHandler = event => {\n\t\teventHandler(event, true, instance);\n\t\tremoveEventListeners(element, loadHandler, errorHandler);\n\t};\n\tconst errorHandler = event => {\n\t\teventHandler(event, false, instance);\n\t\tremoveEventListeners(element, loadHandler, errorHandler);\n\t};\n\taddEventListeners(element, loadHandler, errorHandler);\n};\n\nconst managedTags = [\"IMG\", \"IFRAME\", \"VIDEO\"];\n\nconst onEnter = (element, instance) => {\n\tconst settings = instance._settings;\n\tcallbackIfSet(settings.callback_enter, element);\n\tif (!settings.load_delay) {\n\t\trevealAndUnobserve(element, instance);\n\t\treturn;\n\t}\n\tdelayLoad(element, instance);\n};\n\nconst revealAndUnobserve = (element, instance) => {\n\tvar observer = instance._observer;\n\trevealElement(element, instance);\n\tif (observer && instance._settings.auto_unobserve) {\n\t\tobserver.unobserve(element);\n\t}\n};\n\nconst onExit = (element, instance) => {\n\tconst settings = instance._settings;\n\tcallbackIfSet(settings.callback_exit, element);\n\tif (!settings.load_delay) {\n\t\treturn;\n\t}\n\tcancelDelayLoad(element);\n};\n\nconst cancelDelayLoad = element => {\n\tvar timeoutId = getTimeoutData(element);\n\tif (!timeoutId) {\n\t\treturn; // do nothing if timeout doesn't exist\n\t}\n\tclearTimeout(timeoutId);\n\tsetTimeoutData(element, null);\n};\n\nconst delayLoad = (element, instance) => {\n\tvar loadDelay = instance._settings.load_delay;\n\tvar timeoutId = getTimeoutData(element);\n\tif (timeoutId) {\n\t\treturn; // do nothing if timeout already set\n\t}\n\ttimeoutId = setTimeout(function() {\n\t\trevealAndUnobserve(element, instance);\n\t\tcancelDelayLoad(element);\n\t}, loadDelay);\n\tsetTimeoutData(element, timeoutId);\n};\n\nconst revealElement = (element, instance, force) => {\n\tvar settings = instance._settings;\n\tif (!force && getWasProcessedData(element)) {\n\t\treturn; // element has already been processed and force wasn't true\n\t}\n\tif (managedTags.indexOf(element.tagName) > -1) {\n\t\taddOneShotEventListeners(element, instance);\n\t\taddClass(element, settings.class_loading);\n\t}\n\tsetSources(element, instance);\n\tsetWasProcessedData(element);\n\tcallbackIfSet(settings.callback_reveal, element);\n};\n\nconst isIntersecting = entry => entry.intersectionRatio > 0;\n\nconst getObserverSettings = settings => ({\n\troot: settings.container === document ? null : settings.container,\n\trootMargin: settings.thresholds || settings.threshold + \"px\"\n});\n\nconst setObserver = instance => {\n\tif (!supportsIntersectionObserver) {\n\t\treturn false;\n\t}\n\tinstance._observer = new IntersectionObserver(entries => {\n\t\tentries.forEach(entry =>\n\t\t\tisIntersecting(entry)\n\t\t\t\t? onEnter(entry.target, instance)\n\t\t\t\t: onExit(entry.target, instance)\n\t\t);\n\t}, getObserverSettings(instance._settings));\n\treturn true;\n};\n\nconst LazyLoad = function(customSettings, elements) {\n\tthis._settings = getInstanceSettings(customSettings);\n\tthis._loadingCount = 0;\n\tsetObserver(this);\n\tthis.update(elements);\n};\n\nLazyLoad.prototype = {\n\tupdate: function(elements) {\n\t\tconst settings = this._settings;\n\t\tconst nodeSet =\n\t\t\telements ||\n\t\t\tsettings.container.querySelectorAll(settings.elements_selector);\n\n\t\tthis._elements = purgeProcessedElements(\n\t\t\tArray.prototype.slice.call(nodeSet) // NOTE: nodeset to array for IE compatibility\n\t\t);\n\n\t\tif (isBot || !this._observer) {\n\t\t\tthis.loadAll();\n\t\t\treturn;\n\t\t}\n\n\t\tthis._elements.forEach(element => {\n\t\t\tthis._observer.observe(element);\n\t\t});\n\t},\n\n\tdestroy: function() {\n\t\tif (this._observer) {\n\t\t\tthis._elements.forEach(element => {\n\t\t\t\tthis._observer.unobserve(element);\n\t\t\t});\n\t\t\tthis._observer = null;\n\t\t}\n\t\tthis._elements = null;\n\t\tthis._settings = null;\n\t},\n\n\tload: function(element, force) {\n\t\trevealElement(element, this, force);\n\t},\n\n\tloadAll: function() {\n\t\tvar elements = this._elements;\n\t\telements.forEach(element => {\n\t\t\trevealAndUnobserve(element, this);\n\t\t});\n\t}\n};\n\n/* Automatic instances creation if required (useful for async script loading) */\nif (runningOnBrowser) {\n\tautoInitialize(LazyLoad, window.lazyLoadOptions);\n}\n\nreturn LazyLoad;\n\n})));\n"]}
assets/js/lazyload-8.17.js DELETED
@@ -1,480 +0,0 @@
1
- var _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; };
2
-
3
- var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
4
-
5
- (function (global, factory) {
6
- (typeof exports === 'undefined' ? 'undefined' : _typeof(exports)) === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.LazyLoad = factory();
7
- })(this, function () {
8
- 'use strict';
9
-
10
- var getDefaultSettings = function getDefaultSettings() {
11
- return {
12
- elements_selector: "img",
13
- container: window,
14
- threshold: 300,
15
- throttle: 150,
16
- data_src: "src",
17
- data_srcset: "srcset",
18
- data_sizes: "sizes",
19
- data_bg: "bg",
20
- class_loading: "loading",
21
- class_loaded: "loaded",
22
- class_error: "error",
23
- class_initial: "initial",
24
- skip_invisible: true,
25
- callback_load: null,
26
- callback_error: null,
27
- callback_set: null,
28
- callback_enter: null,
29
- callback_finish: null,
30
- to_webp: false
31
- };
32
- };
33
-
34
- var dataPrefix = "data-";
35
- var processedDataName = "was-processed";
36
- var processedDataValue = "true";
37
-
38
- var getData = function getData(element, attribute) {
39
- return element.getAttribute(dataPrefix + attribute);
40
- };
41
-
42
- var setData = function setData(element, attribute, value) {
43
- var attrName = dataPrefix + attribute;
44
- if (value === null) {
45
- element.removeAttribute(attrName);
46
- return;
47
- }
48
- element.setAttribute(attrName, value);
49
- };
50
-
51
- var setWasProcessedData = function setWasProcessedData(element) {
52
- return setData(element, processedDataName, processedDataValue);
53
- };
54
-
55
- var getWasProcessedData = function getWasProcessedData(element) {
56
- return getData(element, processedDataName) === processedDataValue;
57
- };
58
-
59
- var purgeProcessedElements = function purgeProcessedElements(elements) {
60
- return elements.filter(function (element) {
61
- return !getWasProcessedData(element);
62
- });
63
- };
64
-
65
- var purgeOneElement = function purgeOneElement(elements, elementToPurge) {
66
- return elements.filter(function (element) {
67
- return element !== elementToPurge;
68
- });
69
- };
70
-
71
- var getTopOffset = function getTopOffset(element) {
72
- return element.getBoundingClientRect().top + window.pageYOffset - element.ownerDocument.documentElement.clientTop;
73
- };
74
-
75
- var isBelowViewport = function isBelowViewport(element, container, threshold) {
76
- var fold = container === window ? window.innerHeight + window.pageYOffset : getTopOffset(container) + container.offsetHeight;
77
- return fold <= getTopOffset(element) - threshold;
78
- };
79
-
80
- var getLeftOffset = function getLeftOffset(element) {
81
- return element.getBoundingClientRect().left + window.pageXOffset - element.ownerDocument.documentElement.clientLeft;
82
- };
83
-
84
- var isAtRightOfViewport = function isAtRightOfViewport(element, container, threshold) {
85
- var documentWidth = window.innerWidth;
86
- var fold = container === window ? documentWidth + window.pageXOffset : getLeftOffset(container) + documentWidth;
87
- return fold <= getLeftOffset(element) - threshold;
88
- };
89
-
90
- var isAboveViewport = function isAboveViewport(element, container, threshold) {
91
- var fold = container === window ? window.pageYOffset : getTopOffset(container);
92
- return fold >= getTopOffset(element) + threshold + element.offsetHeight;
93
- };
94
-
95
- var isAtLeftOfViewport = function isAtLeftOfViewport(element, container, threshold) {
96
- var fold = container === window ? window.pageXOffset : getLeftOffset(container);
97
- return fold >= getLeftOffset(element) + threshold + element.offsetWidth;
98
- };
99
-
100
- function isInsideViewport(element, container, threshold) {
101
- return !isBelowViewport(element, container, threshold) && !isAboveViewport(element, container, threshold) && !isAtRightOfViewport(element, container, threshold) && !isAtLeftOfViewport(element, container, threshold);
102
- }
103
-
104
- /* Creates instance and notifies it through the window element */
105
- var createInstance = function createInstance(classObj, options) {
106
- var event;
107
- var eventString = "LazyLoad::Initialized";
108
- var instance = new classObj(options);
109
- try {
110
- // Works in modern browsers
111
- event = new CustomEvent(eventString, { detail: { instance: instance } });
112
- } catch (err) {
113
- // Works in Internet Explorer (all versions)
114
- event = document.createEvent("CustomEvent");
115
- event.initCustomEvent(eventString, false, false, { instance: instance });
116
- }
117
- window.dispatchEvent(event);
118
- };
119
-
120
- /* Auto initialization of one or more instances of lazyload, depending on the
121
- options passed in (plain object or an array) */
122
- function autoInitialize(classObj, options) {
123
- if (!options) {
124
- return;
125
- }
126
- if (!options.length) {
127
- // Plain object
128
- createInstance(classObj, options);
129
- } else {
130
- // Array of objects
131
- for (var i = 0, optionsItem; optionsItem = options[i]; i += 1) {
132
- createInstance(classObj, optionsItem);
133
- }
134
- }
135
- }
136
-
137
- var replaceExtToWebp = function replaceExtToWebp(value, condition) {
138
- return condition ? value.replace(/\.(jpe?g|png)/gi, ".webp") : value;
139
- };
140
-
141
- var detectWebp = function detectWebp() {
142
- var webpString = "image/webp";
143
- var canvas = document.createElement("canvas");
144
-
145
- if (canvas.getContext && canvas.getContext("2d")) {
146
- return canvas.toDataURL(webpString).indexOf('data:' + webpString) === 0;
147
- }
148
-
149
- return false;
150
- };
151
-
152
- var runningOnBrowser = typeof window !== "undefined";
153
-
154
- var isBot = runningOnBrowser && !("onscroll" in window) || /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);
155
- var supportsClassList = runningOnBrowser && "classList" in document.createElement("p");
156
-
157
- var supportsWebp = runningOnBrowser && detectWebp();
158
-
159
- var addClass = function addClass(element, className) {
160
- if (supportsClassList) {
161
- element.classList.add(className);
162
- return;
163
- }
164
- element.className += (element.className ? " " : "") + className;
165
- };
166
-
167
- var removeClass = function removeClass(element, className) {
168
- if (supportsClassList) {
169
- element.classList.remove(className);
170
- return;
171
- }
172
- element.className = element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), " ").replace(/^\s+/, "").replace(/\s+$/, "");
173
- };
174
-
175
- var setSourcesInChildren = function setSourcesInChildren(parentTag, attrName, dataAttrName, toWebpFlag) {
176
- for (var i = 0, childTag; childTag = parentTag.children[i]; i += 1) {
177
- if (childTag.tagName === "SOURCE") {
178
- var attrValue = getData(childTag, dataAttrName);
179
- setAttributeIfValue(childTag, attrName, attrValue, toWebpFlag);
180
- }
181
- }
182
- };
183
-
184
- var setAttributeIfValue = function setAttributeIfValue(element, attrName, value, toWebpFlag) {
185
- if (!value) {
186
- return;
187
- }
188
- element.setAttribute(attrName, replaceExtToWebp(value, toWebpFlag));
189
- };
190
-
191
- var setSourcesImg = function setSourcesImg(element, settings) {
192
- var toWebpFlag = supportsWebp && settings.to_webp;
193
- var srcsetDataName = settings.data_srcset;
194
- var parent = element.parentNode;
195
-
196
- if (parent && parent.tagName === "PICTURE") {
197
- setSourcesInChildren(parent, "srcset", srcsetDataName, toWebpFlag);
198
- }
199
- var sizesDataValue = getData(element, settings.data_sizes);
200
- setAttributeIfValue(element, "sizes", sizesDataValue);
201
- var srcsetDataValue = getData(element, srcsetDataName);
202
- setAttributeIfValue(element, "srcset", srcsetDataValue, toWebpFlag);
203
- var srcDataValue = getData(element, settings.data_src);
204
- setAttributeIfValue(element, "src", srcDataValue, toWebpFlag);
205
- };
206
-
207
- var setSourcesIframe = function setSourcesIframe(element, settings) {
208
- var srcDataValue = getData(element, settings.data_src);
209
-
210
- setAttributeIfValue(element, "src", srcDataValue);
211
- };
212
-
213
- var setSourcesVideo = function setSourcesVideo(element, settings) {
214
- var srcDataName = settings.data_src;
215
- var srcDataValue = getData(element, srcDataName);
216
-
217
- setSourcesInChildren(element, "src", srcDataName);
218
- setAttributeIfValue(element, "src", srcDataValue);
219
- element.load();
220
- };
221
-
222
- var setSourcesBgImage = function setSourcesBgImage(element, settings) {
223
- var toWebpFlag = supportsWebp && settings.to_webp;
224
- var srcDataValue = getData(element, settings.data_src);
225
- var bgDataValue = getData(element, settings.data_bg);
226
-
227
- if (srcDataValue) {
228
- var setValue = replaceExtToWebp(srcDataValue, toWebpFlag);
229
- element.style.backgroundImage = 'url("' + setValue + '")';
230
- }
231
-
232
- if (bgDataValue) {
233
- var _setValue = replaceExtToWebp(bgDataValue, toWebpFlag);
234
- element.style.backgroundImage = _setValue;
235
- }
236
- };
237
-
238
- var setSourcesFunctions = {
239
- IMG: setSourcesImg,
240
- IFRAME: setSourcesIframe,
241
- VIDEO: setSourcesVideo
242
- };
243
-
244
- var setSources = function setSources(element, instance) {
245
- var settings = instance._settings;
246
- var tagName = element.tagName;
247
- var setSourcesFunction = setSourcesFunctions[tagName];
248
- if (setSourcesFunction) {
249
- setSourcesFunction(element, settings);
250
- instance._updateLoadingCount(1);
251
- instance._elements = purgeOneElement(instance._elements, element);
252
- return;
253
- }
254
- setSourcesBgImage(element, settings);
255
- };
256
-
257
- var callbackIfSet = function callbackIfSet(callback, argument) {
258
- if (callback) {
259
- callback(argument);
260
- }
261
- };
262
-
263
- var genericLoadEventName = "load";
264
- var mediaLoadEventName = "loadeddata";
265
- var errorEventName = "error";
266
-
267
- var addEventListener = function addEventListener(element, eventName, handler) {
268
- element.addEventListener(eventName, handler);
269
- };
270
-
271
- var removeEventListener = function removeEventListener(element, eventName, handler) {
272
- element.removeEventListener(eventName, handler);
273
- };
274
-
275
- var addAllEventListeners = function addAllEventListeners(element, loadHandler, errorHandler) {
276
- addEventListener(element, genericLoadEventName, loadHandler);
277
- addEventListener(element, mediaLoadEventName, loadHandler);
278
- addEventListener(element, errorEventName, errorHandler);
279
- };
280
-
281
- var removeAllEventListeners = function removeAllEventListeners(element, loadHandler, errorHandler) {
282
- removeEventListener(element, genericLoadEventName, loadHandler);
283
- removeEventListener(element, mediaLoadEventName, loadHandler);
284
- removeEventListener(element, errorEventName, errorHandler);
285
- };
286
-
287
- var eventHandler = function eventHandler(event, success, instance) {
288
- var settings = instance._settings;
289
- var className = success ? settings.class_loaded : settings.class_error;
290
- var callback = success ? settings.callback_load : settings.callback_error;
291
- var element = event.target;
292
-
293
- removeClass(element, settings.class_loading);
294
- addClass(element, className);
295
- callbackIfSet(callback, element);
296
-
297
- instance._updateLoadingCount(-1);
298
- };
299
-
300
- var addOneShotEventListeners = function addOneShotEventListeners(element, instance) {
301
- var loadHandler = function loadHandler(event) {
302
- eventHandler(event, true, instance);
303
- removeAllEventListeners(element, loadHandler, errorHandler);
304
- };
305
- var errorHandler = function errorHandler(event) {
306
- eventHandler(event, false, instance);
307
- removeAllEventListeners(element, loadHandler, errorHandler);
308
- };
309
- addAllEventListeners(element, loadHandler, errorHandler);
310
- };
311
-
312
- var managedTags = ["IMG", "IFRAME", "VIDEO"];
313
-
314
- function revealElement(element, instance, force) {
315
- var settings = instance._settings;
316
- if (!force && getWasProcessedData(element)) {
317
- return; // element has already been processed and force wasn't true
318
- }
319
- callbackIfSet(settings.callback_enter, element);
320
- if (managedTags.indexOf(element.tagName) > -1) {
321
- addOneShotEventListeners(element, instance);
322
- addClass(element, settings.class_loading);
323
- }
324
- setSources(element, instance);
325
- setWasProcessedData(element);
326
- callbackIfSet(settings.callback_set, element);
327
- }
328
-
329
- var removeFromArray = function removeFromArray(elements, indexes) {
330
- while (indexes.length) {
331
- elements.splice(indexes.pop(), 1);
332
- }
333
- };
334
-
335
- /*
336
- * Constructor
337
- */
338
-
339
- var LazyLoad = function LazyLoad(instanceSettings) {
340
- this._settings = _extends({}, getDefaultSettings(), instanceSettings);
341
- this._loadingCount = 0;
342
- this._queryOriginNode = this._settings.container === window ? document : this._settings.container;
343
-
344
- this._previousLoopTime = 0;
345
- this._loopTimeout = null;
346
- this._boundHandleScroll = this.handleScroll.bind(this);
347
-
348
- this._isFirstLoop = true;
349
- window.addEventListener("resize", this._boundHandleScroll);
350
- this.update();
351
- };
352
-
353
- LazyLoad.prototype = {
354
- _loopThroughElements: function _loopThroughElements(forceDownload) {
355
- var settings = this._settings,
356
- elements = this._elements,
357
- elementsLength = !elements ? 0 : elements.length;
358
- var i = void 0,
359
- processedIndexes = [],
360
- isFirstLoop = this._isFirstLoop;
361
-
362
- if (isFirstLoop) {
363
- this._isFirstLoop = false;
364
- }
365
-
366
- if (elementsLength === 0) {
367
- this._stopScrollHandler();
368
- return;
369
- }
370
-
371
- for (i = 0; i < elementsLength; i++) {
372
- var element = elements[i];
373
- /* If must skip_invisible and element is invisible, skip it */
374
- if (settings.skip_invisible && element.offsetParent === null) {
375
- continue;
376
- }
377
-
378
- if (forceDownload || isInsideViewport(element, settings.container, settings.threshold)) {
379
- if (isFirstLoop) {
380
- addClass(element, settings.class_initial);
381
- }
382
- this.load(element);
383
- processedIndexes.push(i);
384
- }
385
- }
386
-
387
- // Removing processed elements from this._elements.
388
- removeFromArray(elements, processedIndexes);
389
- },
390
-
391
- _startScrollHandler: function _startScrollHandler() {
392
- if (!this._isHandlingScroll) {
393
- this._isHandlingScroll = true;
394
- this._settings.container.addEventListener("scroll", this._boundHandleScroll);
395
- }
396
- },
397
-
398
- _stopScrollHandler: function _stopScrollHandler() {
399
- if (this._isHandlingScroll) {
400
- this._isHandlingScroll = false;
401
- this._settings.container.removeEventListener("scroll", this._boundHandleScroll);
402
- }
403
- },
404
-
405
- _updateLoadingCount: function _updateLoadingCount(plusMinus) {
406
- this._loadingCount += plusMinus;
407
- if (this._elements.length === 0 && this._loadingCount === 0) {
408
- callbackIfSet(this._settings.callback_finish);
409
- }
410
- },
411
-
412
- handleScroll: function handleScroll() {
413
- var throttle = this._settings.throttle;
414
-
415
- if (throttle !== 0) {
416
- var now = Date.now();
417
- var remainingTime = throttle - (now - this._previousLoopTime);
418
- if (remainingTime <= 0 || remainingTime > throttle) {
419
- if (this._loopTimeout) {
420
- clearTimeout(this._loopTimeout);
421
- this._loopTimeout = null;
422
- }
423
- this._previousLoopTime = now;
424
- this._loopThroughElements();
425
- } else if (!this._loopTimeout) {
426
- this._loopTimeout = setTimeout(function () {
427
- this._previousLoopTime = Date.now();
428
- this._loopTimeout = null;
429
- this._loopThroughElements();
430
- }.bind(this), remainingTime);
431
- }
432
- } else {
433
- this._loopThroughElements();
434
- }
435
- },
436
-
437
- loadAll: function loadAll() {
438
- this._loopThroughElements(true);
439
- },
440
-
441
- update: function update(elements) {
442
- var settings = this._settings;
443
- var nodeSet = elements || this._queryOriginNode.querySelectorAll(settings.elements_selector);
444
-
445
- this._elements = purgeProcessedElements(Array.prototype.slice.call(nodeSet) // NOTE: nodeset to array for IE compatibility
446
- );
447
-
448
- if (isBot) {
449
- this.loadAll();
450
- return;
451
- }
452
-
453
- this._loopThroughElements();
454
- this._startScrollHandler();
455
- },
456
-
457
- destroy: function destroy() {
458
- window.removeEventListener("resize", this._boundHandleScroll);
459
- if (this._loopTimeout) {
460
- clearTimeout(this._loopTimeout);
461
- this._loopTimeout = null;
462
- }
463
- this._stopScrollHandler();
464
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});\n\t}\n\twindow.dispatchEvent(event);\n};\n\n/* Auto initialization of one or more instances of lazyload, depending on the \n options passed in (plain object or an array) */\nfunction autoInitialize(classObj, options) {\n\tif (!options) {\n\t\treturn;\n\t}\n\tif (!options.length) {\n\t\t// Plain object\n\t\tcreateInstance(classObj, options);\n\t} else {\n\t\t// Array of objects\n\t\tfor (let i = 0, optionsItem; (optionsItem = options[i]); i += 1) {\n\t\t\tcreateInstance(classObj, optionsItem);\n\t\t}\n\t}\n}\n\nconst replaceExtToWebp = (value, condition) =>\n\tcondition ? value.replace(/\\.(jpe?g|png)/gi, \".webp\") : value;\n\nconst detectWebp = () => {\n\tvar webpString = \"image/webp\";\n\tvar canvas = document.createElement(\"canvas\");\n\n\tif (canvas.getContext && canvas.getContext(\"2d\")) {\n\t\treturn canvas.toDataURL(webpString).indexOf(`data:${webpString}`) === 0;\n\t}\n\n\treturn false;\n};\n\nconst runningOnBrowser = typeof window !== \"undefined\";\n\nconst isBot =\n\t(runningOnBrowser && !(\"onscroll\" in window)) ||\n\t/(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent);\nconst supportsClassList =\n\trunningOnBrowser && \"classList\" in document.createElement(\"p\");\n\nconst supportsWebp = runningOnBrowser && detectWebp();\n\nconst addClass = (element, className) => {\n\tif (supportsClassList) {\n\t\telement.classList.add(className);\n\t\treturn;\n\t}\n\telement.className += (element.className ? \" \" : \"\") + className;\n};\n\nconst removeClass = (element, className) => {\n\tif (supportsClassList) {\n\t\telement.classList.remove(className);\n\t\treturn;\n\t}\n\telement.className = element.className.\n\t\treplace(new RegExp(\"(^|\\\\s+)\" + className + \"(\\\\s+|$)\"), \" \").\n\t\treplace(/^\\s+/, \"\").\n\t\treplace(/\\s+$/, \"\");\n};\n\nconst setSourcesInChildren = function(\n\tparentTag,\n\tattrName,\n\tdataAttrName,\n\ttoWebpFlag\n) {\n\tfor (let i = 0, childTag; (childTag = parentTag.children[i]); i += 1) {\n\t\tif (childTag.tagName === \"SOURCE\") {\n\t\t\tlet attrValue = getData(childTag, dataAttrName);\n\t\t\tsetAttributeIfValue(childTag, attrName, attrValue, toWebpFlag);\n\t\t}\n\t}\n};\n\nconst setAttributeIfValue = function(\n\telement,\n\tattrName,\n\tvalue,\n\ttoWebpFlag\n) {\n\tif (!value) {\n\t\treturn;\n\t}\n\telement.setAttribute(attrName, replaceExtToWebp(value, toWebpFlag));\n};\n\nconst setSourcesImg = (element, settings) => {\n\tconst toWebpFlag = supportsWebp && settings.to_webp;\n\tconst srcsetDataName = settings.data_srcset;\n\tconst parent = element.parentNode;\n\n\tif (parent && parent.tagName === \"PICTURE\") {\n\t\tsetSourcesInChildren(parent, \"srcset\", srcsetDataName, toWebpFlag);\n\t}\n\tconst sizesDataValue = getData(element, settings.data_sizes);\n\tsetAttributeIfValue(element, \"sizes\", sizesDataValue);\n\tconst srcsetDataValue = getData(element, srcsetDataName);\n\tsetAttributeIfValue(element, \"srcset\", srcsetDataValue, toWebpFlag);\n\tconst srcDataValue = getData(element, settings.data_src);\n\tsetAttributeIfValue(element, \"src\", srcDataValue, toWebpFlag);\n};\n\nconst setSourcesIframe = (element, settings) => {\n\tconst srcDataValue = getData(element, settings.data_src);\n\n\tsetAttributeIfValue(element, \"src\", srcDataValue);\n};\n\nconst setSourcesVideo = (element, settings) => {\n\tconst srcDataName = settings.data_src;\n\tconst srcDataValue = getData(element, srcDataName);\n\n\tsetSourcesInChildren(element, \"src\", srcDataName);\n\tsetAttributeIfValue(element, \"src\", srcDataValue);\n\telement.load();\n};\n\nconst setSourcesBgImage = (element, settings) => {\n\tconst toWebpFlag = supportsWebp && settings.to_webp;\n\tconst srcDataValue = getData(element, settings.data_src);\n\tconst bgDataValue = getData(element, settings.data_bg);\n\n\tif (srcDataValue) {\n\t\tlet setValue = replaceExtToWebp(srcDataValue, toWebpFlag);\n\t\telement.style.backgroundImage = `url(\"${setValue}\")`;\n\t}\n\n\tif (bgDataValue) {\n\t\tlet setValue = replaceExtToWebp(bgDataValue, toWebpFlag);\n\t\telement.style.backgroundImage = setValue;\n\t}\n};\n\nconst setSourcesFunctions = {\n\tIMG: setSourcesImg,\n\tIFRAME: setSourcesIframe,\n\tVIDEO: setSourcesVideo\n};\n\nconst setSources = (element, instance) => {\n\tconst settings = instance._settings;\n\tconst tagName = element.tagName;\n\tconst setSourcesFunction = setSourcesFunctions[tagName];\n\tif (setSourcesFunction) {\n\t\tsetSourcesFunction(element, settings);\n\t\tinstance._updateLoadingCount(1);\n\t\tinstance._elements = purgeOneElement(instance._elements, element);\n\t\treturn;\n\t}\n\tsetSourcesBgImage(element, settings);\n};\n\nconst callbackIfSet = function(callback, argument) {\n\tif (callback) {\n\t\tcallback(argument);\n\t}\n};\n\nconst genericLoadEventName = \"load\";\nconst mediaLoadEventName = \"loadeddata\";\nconst errorEventName = \"error\";\n\nconst addEventListener = (element, eventName, handler) => {\n\telement.addEventListener(eventName, handler);\n};\n\nconst removeEventListener = (element, eventName, handler) => {\n\telement.removeEventListener(eventName, handler);\n};\n\nconst addAllEventListeners = (element, loadHandler, errorHandler) => {\n\taddEventListener(element, genericLoadEventName, loadHandler);\n\taddEventListener(element, mediaLoadEventName, loadHandler);\n\taddEventListener(element, errorEventName, errorHandler);\n};\n\nconst removeAllEventListeners = (element, loadHandler, errorHandler) => {\n\tremoveEventListener(element, genericLoadEventName, loadHandler);\n\tremoveEventListener(element, mediaLoadEventName, loadHandler);\n\tremoveEventListener(element, errorEventName, errorHandler);\n};\n\nconst eventHandler = function(event, success, instance) {\n\tvar settings = instance._settings;\n\tconst className = success ? settings.class_loaded : settings.class_error;\n\tconst callback = success ? settings.callback_load : settings.callback_error;\n\tconst element = event.target;\n\n\tremoveClass(element, settings.class_loading);\n\taddClass(element, className);\n\tcallbackIfSet(callback, element);\n\n\tinstance._updateLoadingCount(-1);\n};\n\nconst addOneShotEventListeners = (element, instance) => {\n\tconst loadHandler = event => {\n\t\teventHandler(event, true, instance);\n\t\tremoveAllEventListeners(element, loadHandler, errorHandler);\n\t};\n\tconst errorHandler = event => {\n\t\teventHandler(event, false, instance);\n\t\tremoveAllEventListeners(element, loadHandler, errorHandler);\n\t};\n\taddAllEventListeners(element, loadHandler, errorHandler);\n};\n\nconst managedTags = [\"IMG\", \"IFRAME\", \"VIDEO\"];\n\nfunction revealElement(element, instance, force) {\n\tvar settings = instance._settings;\n\tif (!force && getWasProcessedData(element)) {\n\t\treturn; // element has already been processed and force wasn't true\n\t}\n\tcallbackIfSet(settings.callback_enter, element);\n\tif (managedTags.indexOf(element.tagName) > -1) {\n\t\taddOneShotEventListeners(element, instance);\n\t\taddClass(element, settings.class_loading);\n\t}\n\tsetSources(element, instance);\n\tsetWasProcessedData(element);\n\tcallbackIfSet(settings.callback_set, element);\n}\n\nconst removeFromArray = (elements, indexes) => {\n\twhile (indexes.length) {\n\t\telements.splice(indexes.pop(), 1);\n\t}\n};\n\n/*\n * Constructor\n */\n\nconst LazyLoad = function(instanceSettings) {\n\tthis._settings = Object.assign({}, getDefaultSettings(), instanceSettings);\n\tthis._loadingCount = 0;\n\tthis._queryOriginNode =\n\t\tthis._settings.container === window\n\t\t\t? document\n\t\t\t: this._settings.container;\n\n\tthis._previousLoopTime = 0;\n\tthis._loopTimeout = null;\n\tthis._boundHandleScroll = this.handleScroll.bind(this);\n\n\tthis._isFirstLoop = true;\n\twindow.addEventListener(\"resize\", this._boundHandleScroll);\n\tthis.update();\n};\n\nLazyLoad.prototype = {\n\t_loopThroughElements: function(forceDownload) {\n\t\tconst settings = this._settings,\n\t\t\telements = this._elements,\n\t\t\telementsLength = !elements ? 0 : elements.length;\n\t\tlet i,\n\t\t\tprocessedIndexes = [],\n\t\t\tisFirstLoop = this._isFirstLoop;\n\n\t\tif (isFirstLoop) {\n\t\t\tthis._isFirstLoop = false;\n\t\t}\n\n\t\tif (elementsLength === 0) {\n\t\t\tthis._stopScrollHandler();\n\t\t\treturn;\n\t\t}\n\n\t\tfor (i = 0; i < elementsLength; i++) {\n\t\t\tlet element = elements[i];\n\t\t\t/* If must skip_invisible and element is invisible, skip it */\n\t\t\tif (settings.skip_invisible && element.offsetParent === null) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif (\n\t\t\t\tforceDownload ||\n\t\t\t\tisInsideViewport(\n\t\t\t\t\telement,\n\t\t\t\t\tsettings.container,\n\t\t\t\t\tsettings.threshold\n\t\t\t\t)\n\t\t\t) {\n\t\t\t\tif (isFirstLoop) {\n\t\t\t\t\taddClass(element, settings.class_initial);\n\t\t\t\t}\n\t\t\t\tthis.load(element);\n\t\t\t\tprocessedIndexes.push(i);\n\t\t\t}\n\t\t}\n\n\t\t// Removing processed elements from this._elements.\n\t\tremoveFromArray(elements, processedIndexes);\n\t},\n\n\t_startScrollHandler: function() {\n\t\tif (!this._isHandlingScroll) {\n\t\t\tthis._isHandlingScroll = true;\n\t\t\tthis._settings.container.addEventListener(\n\t\t\t\t\"scroll\",\n\t\t\t\tthis._boundHandleScroll\n\t\t\t);\n\t\t}\n\t},\n\n\t_stopScrollHandler: function() {\n\t\tif (this._isHandlingScroll) {\n\t\t\tthis._isHandlingScroll = false;\n\t\t\tthis._settings.container.removeEventListener(\n\t\t\t\t\"scroll\",\n\t\t\t\tthis._boundHandleScroll\n\t\t\t);\n\t\t}\n\t},\n\n\t_updateLoadingCount: function(plusMinus) {\n\t\tthis._loadingCount += plusMinus;\n\t\tif (this._elements.length === 0 && this._loadingCount === 0) {\n\t\t\tcallbackIfSet(this._settings.callback_finish);\n\t\t}\n\t},\n\n\thandleScroll: function() {\n\t\tconst throttle = this._settings.throttle;\n\n\t\tif (throttle !== 0) {\n\t\t\tlet now = Date.now();\n\t\t\tlet remainingTime = throttle - (now - this._previousLoopTime);\n\t\t\tif (remainingTime <= 0 || remainingTime > throttle) {\n\t\t\t\tif (this._loopTimeout) {\n\t\t\t\t\tclearTimeout(this._loopTimeout);\n\t\t\t\t\tthis._loopTimeout = null;\n\t\t\t\t}\n\t\t\t\tthis._previousLoopTime = now;\n\t\t\t\tthis._loopThroughElements();\n\t\t\t} else if (!this._loopTimeout) {\n\t\t\t\tthis._loopTimeout = setTimeout(\n\t\t\t\t\tfunction() {\n\t\t\t\t\t\tthis._previousLoopTime = Date.now();\n\t\t\t\t\t\tthis._loopTimeout = null;\n\t\t\t\t\t\tthis._loopThroughElements();\n\t\t\t\t\t}.bind(this),\n\t\t\t\t\tremainingTime\n\t\t\t\t);\n\t\t\t}\n\t\t} else {\n\t\t\tthis._loopThroughElements();\n\t\t}\n\t},\n\n\tloadAll: function() {\n\t\tthis._loopThroughElements(true);\n\t},\n\n\tupdate: function(elements) {\n\t\tconst settings = this._settings;\n\t\tconst nodeSet =\n\t\t\telements ||\n\t\t\tthis._queryOriginNode.querySelectorAll(settings.elements_selector);\n\n\t\tthis._elements = purgeProcessedElements(\n\t\t\tArray.prototype.slice.call(nodeSet) // NOTE: nodeset to array for IE compatibility\n\t\t);\n\n\t\tif (isBot) {\n\t\t\tthis.loadAll();\n\t\t\treturn;\n\t\t}\n\n\t\tthis._loopThroughElements();\n\t\tthis._startScrollHandler();\n\t},\n\n\tdestroy: function() {\n\t\twindow.removeEventListener(\"resize\", this._boundHandleScroll);\n\t\tif (this._loopTimeout) {\n\t\t\tclearTimeout(this._loopTimeout);\n\t\t\tthis._loopTimeout = null;\n\t\t}\n\t\tthis._stopScrollHandler();\n\t\tthis._elements = null;\n\t\tthis._queryOriginNode = null;\n\t\tthis._settings = null;\n\t},\n\n\tload: function(element, force) {\n\t\trevealElement(element, this, force);\n\t}\n};\n\n/* Automatic instances creation if required (useful for async script loading) */\nif (runningOnBrowser) {\n\tautoInitialize(LazyLoad, window.lazyLoadOptions);\n}\n\nreturn LazyLoad;\n\n})));\n"]}
 
composer.lock CHANGED
@@ -273,16 +273,16 @@
273
  },
274
  {
275
  "name": "wp-media/rocket-lazyload-common",
276
- "version": "v2.1.1",
277
  "source": {
278
  "type": "git",
279
  "url": "https://github.com/wp-media/rocket-lazyload-common.git",
280
- "reference": "aa8282c2296b29410dfdd6a093df35c509595124"
281
  },
282
  "dist": {
283
  "type": "zip",
284
- "url": "https://api.github.com/repos/wp-media/rocket-lazyload-common/zipball/aa8282c2296b29410dfdd6a093df35c509595124",
285
- "reference": "aa8282c2296b29410dfdd6a093df35c509595124",
286
  "shasum": ""
287
  },
288
  "require": {
@@ -317,7 +317,7 @@
317
  }
318
  ],
319
  "description": "Common Code between WP Rocket and Lazyload by WP Rocket",
320
- "time": "2019-02-18T16:32:01+00:00"
321
  }
322
  ],
323
  "packages-dev": [
273
  },
274
  {
275
  "name": "wp-media/rocket-lazyload-common",
276
+ "version": "v2.2.1",
277
  "source": {
278
  "type": "git",
279
  "url": "https://github.com/wp-media/rocket-lazyload-common.git",
280
+ "reference": "d30621c96381bfd97d0196910e66d0bb4c503f78"
281
  },
282
  "dist": {
283
  "type": "zip",
284
+ "url": "https://api.github.com/repos/wp-media/rocket-lazyload-common/zipball/d30621c96381bfd97d0196910e66d0bb4c503f78",
285
+ "reference": "d30621c96381bfd97d0196910e66d0bb4c503f78",
286
  "shasum": ""
287
  },
288
  "require": {
317
  }
318
  ],
319
  "description": "Common Code between WP Rocket and Lazyload by WP Rocket",
320
+ "time": "2019-02-26T17:10:45+00:00"
321
  }
322
  ],
323
  "packages-dev": [
readme.txt CHANGED
@@ -2,9 +2,9 @@
2
  Contributors: wp_rocket, wp_media
3
  Tags: lazyload, lazy load, images, iframes, thumbnail, thumbnails, smiley, smilies, avatar, gravatar, youtube
4
  Requires at least: 4.7
5
- Tested up to: 5.0.2
6
  Requires PHP: 5.4
7
- Stable tag: 2.0.4
8
 
9
  Lazy Load your images and iframes, replace Youtube videos by a preview thumbnail.
10
 
@@ -74,13 +74,22 @@ Some plugins are not compatible without lazy loading. Please open a support thre
74
 
75
  = How can I lazyload a background-image? =
76
 
77
- The element you want to apply lazyload on must have this specific markup:
 
 
 
 
78
 
79
  `<div class="rocket-lazyload-bg" data-bg="url(../img/image.jpg)"></div>`
80
 
81
  The element must have the class `rocket-lazyload-bg`, and a `data-bg` attribute, which value is the CSS url for the image.
82
 
83
  == Changelog ==
 
 
 
 
 
84
  = 2.0.4 =
85
  * Enhancement: Add filter for iframe lazyload pattern exclusion
86
  * Enhancement: Auto-exclude soliloquy-image pattern from lazyload
2
  Contributors: wp_rocket, wp_media
3
  Tags: lazyload, lazy load, images, iframes, thumbnail, thumbnails, smiley, smilies, avatar, gravatar, youtube
4
  Requires at least: 4.7
5
+ Tested up to: 5.1
6
  Requires PHP: 5.4
7
+ Stable tag: 2.1
8
 
9
  Lazy Load your images and iframes, replace Youtube videos by a preview thumbnail.
10
 
74
 
75
  = How can I lazyload a background-image? =
76
 
77
+ The plugin will automatically lazyload background-images set with a `style` attribute to a `div` element:
78
+
79
+ `<div style="background-image: url(image.jpg);">`
80
+
81
+ You can also apply it manually. The element you want to apply lazyload on must have this specific markup:
82
 
83
  `<div class="rocket-lazyload-bg" data-bg="url(../img/image.jpg)"></div>`
84
 
85
  The element must have the class `rocket-lazyload-bg`, and a `data-bg` attribute, which value is the CSS url for the image.
86
 
87
  == Changelog ==
88
+ = 2.1 =
89
+ * Enhancement: Update lazyload script to the latest version
90
+ * Enhancement: Apply lazyload on picture elements found on the page
91
+ * Enhancement: Apply lazyload on div elements with a background image found on the page. See FAQ for more info.
92
+
93
  = 2.0.4 =
94
  * Enhancement: Add filter for iframe lazyload pattern exclusion
95
  * Enhancement: Auto-exclude soliloquy-image pattern from lazyload
rocket-lazy-load.php CHANGED
@@ -3,7 +3,7 @@
3
  * Plugin Name: Lazy Load by WP Rocket
4
  * Plugin URI: http://wordpress.org/plugins/rocket-lazy-load/
5
  * Description: The tiny Lazy Load script for WordPress without jQuery or others libraries.
6
- * Version: 2.0.4
7
  * Author: WP Rocket
8
  * Author URI: https://wp-rocket.me
9
  * Text Domain: rocket-lazy-load
@@ -29,7 +29,7 @@
29
 
30
  defined('ABSPATH') || die('Cheatin\' uh?');
31
 
32
- define('ROCKET_LL_VERSION', '2.0.4');
33
  define('ROCKET_LL_WP_VERSION', '4.7');
34
  define('ROCKET_LL_PHP_VERSION', '5.4');
35
  define('ROCKET_LL_BASENAME', plugin_basename(__FILE__));
3
  * Plugin Name: Lazy Load by WP Rocket
4
  * Plugin URI: http://wordpress.org/plugins/rocket-lazy-load/
5
  * Description: The tiny Lazy Load script for WordPress without jQuery or others libraries.
6
+ * Version: 2.1
7
  * Author: WP Rocket
8
  * Author URI: https://wp-rocket.me
9
  * Text Domain: rocket-lazy-load
29
 
30
  defined('ABSPATH') || die('Cheatin\' uh?');
31
 
32
+ define('ROCKET_LL_VERSION', '2.1');
33
  define('ROCKET_LL_WP_VERSION', '4.7');
34
  define('ROCKET_LL_PHP_VERSION', '5.4');
35
  define('ROCKET_LL_BASENAME', plugin_basename(__FILE__));
src/Subscriber/LazyloadSubscriber.php CHANGED
@@ -132,10 +132,8 @@ class LazyloadSubscriber implements SubscriberInterface
132
 
133
  $args = [
134
  'base_url' => ROCKET_LL_FRONT_JS_URL,
135
- 'suffix' => defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min',
136
  'threshold' => $threshold,
137
- 'version' => '10.19',
138
- 'fallback' => '8.17',
139
  ];
140
 
141
  if ($this->option_array->get('images')) {
@@ -308,6 +306,8 @@ class LazyloadSubscriber implements SubscriberInterface
308
 
309
  if ($this->option_array->get('images')) {
310
  $html = $this->image->lazyloadImages($html, $buffer);
 
 
311
  }
312
 
313
  if ($this->option_array->get('iframes')) {
132
 
133
  $args = [
134
  'base_url' => ROCKET_LL_FRONT_JS_URL,
 
135
  'threshold' => $threshold,
136
+ 'version' => '11.0.2',
 
137
  ];
138
 
139
  if ($this->option_array->get('images')) {
306
 
307
  if ($this->option_array->get('images')) {
308
  $html = $this->image->lazyloadImages($html, $buffer);
309
+ $html = $this->image->lazyloadPictures($html, $buffer);
310
+ $html = $this->image->lazyloadBackgroundImages($html, $buffer);
311
  }
312
 
313
  if ($this->option_array->get('iframes')) {
vendor/composer/installed.json CHANGED
@@ -274,17 +274,17 @@
274
  },
275
  {
276
  "name": "wp-media/rocket-lazyload-common",
277
- "version": "v2.1.1",
278
- "version_normalized": "2.1.1.0",
279
  "source": {
280
  "type": "git",
281
  "url": "https://github.com/wp-media/rocket-lazyload-common.git",
282
- "reference": "aa8282c2296b29410dfdd6a093df35c509595124"
283
  },
284
  "dist": {
285
  "type": "zip",
286
- "url": "https://api.github.com/repos/wp-media/rocket-lazyload-common/zipball/aa8282c2296b29410dfdd6a093df35c509595124",
287
- "reference": "aa8282c2296b29410dfdd6a093df35c509595124",
288
  "shasum": ""
289
  },
290
  "require": {
@@ -302,7 +302,7 @@
302
  "symfony/yaml": "2.8.*",
303
  "wp-coding-standards/wpcs": "^2.0.0"
304
  },
305
- "time": "2019-02-18T16:32:01+00:00",
306
  "type": "library",
307
  "installation-source": "dist",
308
  "autoload": {
274
  },
275
  {
276
  "name": "wp-media/rocket-lazyload-common",
277
+ "version": "v2.2.1",
278
+ "version_normalized": "2.2.1.0",
279
  "source": {
280
  "type": "git",
281
  "url": "https://github.com/wp-media/rocket-lazyload-common.git",
282
+ "reference": "d30621c96381bfd97d0196910e66d0bb4c503f78"
283
  },
284
  "dist": {
285
  "type": "zip",
286
+ "url": "https://api.github.com/repos/wp-media/rocket-lazyload-common/zipball/d30621c96381bfd97d0196910e66d0bb4c503f78",
287
+ "reference": "d30621c96381bfd97d0196910e66d0bb4c503f78",
288
  "shasum": ""
289
  },
290
  "require": {
302
  "symfony/yaml": "2.8.*",
303
  "wp-coding-standards/wpcs": "^2.0.0"
304
  },
305
+ "time": "2019-02-26T17:10:45+00:00",
306
  "type": "library",
307
  "installation-source": "dist",
308
  "autoload": {
vendor/wp-media/rocket-lazyload-common/src/Assets.php CHANGED
@@ -39,17 +39,14 @@ class Assets
39
  ],
40
  'threshold' => 300,
41
  'version' => '',
42
- 'fallback' => '',
43
  ];
44
 
45
  $args = wp_parse_args($args, $defaults);
46
- $min = defined('SCRIPT_DEBUG') ? '' : '.min';
47
 
48
- return '<script>(function(w, d){
49
- var b = d.getElementsByTagName("body")[0];
50
- var s = d.createElement("script"); s.async = true;
51
- s.src = !("IntersectionObserver" in w) ? "' . $args['base_url'] . 'lazyload-' . $args['fallback'] . $min . '.js" : "' . $args['base_url'] . 'lazyload-' . $args['version'] . $min . '.js";
52
- w.lazyLoadOptions = {
53
  elements_selector: "' . esc_attr(implode(',', $args['elements'])) . '",
54
  data_src: "lazy-src",
55
  data_srcset: "lazy-srcset",
@@ -69,9 +66,7 @@ class Assets
69
  }
70
  }
71
  }
72
- }; // Your options here. See "recipes" for more information about async.
73
- b.appendChild(s);
74
- }(window, document));
75
 
76
  // Listen to the Initialized event
77
  window.addEventListener(\'LazyLoad::Initialized\', function (e) {
@@ -91,7 +86,8 @@ class Assets
91
  observer.observe(b, config);
92
  }
93
  }, false);
94
- </script>';
 
95
  }
96
 
97
  /**
39
  ],
40
  'threshold' => 300,
41
  'version' => '',
 
42
  ];
43
 
44
  $args = wp_parse_args($args, $defaults);
45
+ $min = ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) ? '' : '.min';
46
 
47
+ return '<script crossorigin="anonymous" src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CIntersectionObserver%2CIntersectionObserverEntry"></script>
48
+ <script>
49
+ window.lazyLoadOptions = {
 
 
50
  elements_selector: "' . esc_attr(implode(',', $args['elements'])) . '",
51
  data_src: "lazy-src",
52
  data_srcset: "lazy-srcset",
66
  }
67
  }
68
  }
69
+ };
 
 
70
 
71
  // Listen to the Initialized event
72
  window.addEventListener(\'LazyLoad::Initialized\', function (e) {
86
  observer.observe(b, config);
87
  }
88
  }, false);
89
+ </script>
90
+ <script async src="' . $args['base_url'] . 'lazyload-' . $args['version'] . $min . '.js"></script>';
91
  }
92
 
93
  /**
vendor/wp-media/rocket-lazyload-common/src/Image.php CHANGED
@@ -50,6 +50,105 @@ class Image
50
  return $html;
51
  }
52
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
53
  /**
54
  * Checks if the provided string matches with the provided excluded patterns
55
  *
50
  return $html;
51
  }
52
 
53
+ /**
54
+ * Applies lazyload on background images defined in style attributes
55
+ *
56
+ * @param string $html Original HTML.
57
+ * @param string $buffer Content to parse.
58
+ * @return string
59
+ */
60
+ public function lazyloadBackgroundImages($html, $buffer)
61
+ {
62
+ if (! preg_match_all('#<div\s+(?<before>[^>]*)style\s*=\s*([\'"])(?<styles>(?:(?!\2).)*?)\2(?<after>[^>]*)>#is', $buffer, $elements, PREG_SET_ORDER)) {
63
+ return $html;
64
+ }
65
+
66
+ foreach ($elements as $element) {
67
+ if ($this->isExcluded($element['before'] . $element['after'], $this->getExcludedAttributes())) {
68
+ continue;
69
+ }
70
+
71
+ if (! preg_match('#background-image\s*:\s*(?<attr>\s*url\s*\((?<url>[^)]+)\))\s*;?#is', $element['styles'], $url)) {
72
+ continue;
73
+ }
74
+
75
+ $url['url'] = trim($url['url'], '\'" ');
76
+
77
+ if ($this->isExcluded($url['url'], $this->getExcludedSrc())) {
78
+ continue;
79
+ }
80
+
81
+ $lazy_bg = $this->addLazyBgCLass($element[0]);
82
+ $lazy_bg = str_replace($url[0], '', $lazy_bg);
83
+ $lazy_bg = str_replace('<div', '<div data-bg="url(' . esc_attr($url['url']) . ')"', $lazy_bg);
84
+
85
+ $html = str_replace($element[0], $lazy_bg, $html);
86
+ unset($lazy_bg);
87
+ }
88
+
89
+ return $html;
90
+ }
91
+
92
+ /**
93
+ * Add the identifier class to the element
94
+ *
95
+ * @param string $element Element to add the class to.
96
+ * @return string
97
+ */
98
+ private function addLazyBgClass($element)
99
+ {
100
+ if (preg_match('#class=["\']?(?<classes>[^"\'>]*)["\']?#is', $element, $class)) {
101
+ $classes = str_replace($class['classes'], $class['classes'] . ' rocket-lazyload-bg', $class[0]);
102
+ $element = str_replace($class[0], $classes, $element);
103
+
104
+ return $element;
105
+ }
106
+
107
+ return str_replace('<div', '<div class="rocket-lazyload-bg"', $element);
108
+ }
109
+
110
+ /**
111
+ * Applies lazyload on picture elements found in the HTML.
112
+ *
113
+ * @param string $html Original HTML.
114
+ * @param string $buffer Content to parse.
115
+ * @return string
116
+ */
117
+ public function lazyloadPictures($html, $buffer)
118
+ {
119
+ preg_match_all('#<picture(?:.*)?>(?<sources>.*)</picture>#iUs', $buffer, $pictures, PREG_SET_ORDER);
120
+
121
+ if (empty($pictures)) {
122
+ return $html;
123
+ }
124
+
125
+ $pictures = array_unique($pictures, SORT_REGULAR);
126
+ $excluded = array_merge($this->getExcludedAttributes(), $this->getExcludedSrc());
127
+
128
+ foreach ($pictures as $picture) {
129
+ preg_match_all('#<source(?<atts>\s.+)>#iUs', $picture['sources'], $sources, PREG_SET_ORDER);
130
+
131
+ if (empty($sources)) {
132
+ continue;
133
+ }
134
+
135
+ $sources = array_unique($sources, SORT_REGULAR);
136
+
137
+ foreach ($sources as $source) {
138
+ if ($this->isExcluded($source['atts'], $excluded)) {
139
+ continue;
140
+ }
141
+
142
+ $lazyload_srcset = preg_replace('/([\s"\'])srcset/i', '\1data-srcset', $source[0]);
143
+ $html = str_replace($source[0], $lazyload_srcset, $html);
144
+
145
+ unset($lazyload_srcset);
146
+ }
147
+ }
148
+
149
+ return $html;
150
+ }
151
+
152
  /**
153
  * Checks if the provided string matches with the provided excluded patterns
154
  *