Lazy Load by WP Rocket - Version 1.4.2

Version Description

  • Update lazyload script to bring back compatibility with IE9/10
Download this release

Release Info

Developer wp_media
Plugin Icon 128x128 Lazy Load by WP Rocket
Version 1.4.2
Comparing to
See all releases

Code changes from version 1.4.1 to 1.4.2

assets/js/lazyload-3.0.js DELETED
@@ -1,433 +0,0 @@
1
- (function(root, factory) {
2
- if (typeof define === 'function' && define.amd) {
3
- define([], factory);
4
- } else if (typeof exports === 'object') {
5
- module.exports = factory();
6
- } else {
7
- root.LazyLoad = factory();
8
- }
9
- }(this, function() {
10
-
11
- var _defaultSettings,
12
- _supportsAddEventListener,
13
- _supportsAttachEvent,
14
- _supportsClassList,
15
- _isInitialized = false;
16
-
17
-
18
- /*
19
- * PRIVATE FUNCTIONS *NOT RELATED* TO A SPECIFIC INSTANCE OF LAZY LOAD
20
- * -------------------------------------------------------------------
21
- */
22
-
23
- function _init() {
24
- if (!_isInitialized) {
25
- _defaultSettings = {
26
- elements_selector: "img",
27
- container: window,
28
- threshold: 300,
29
- throttle: 50,
30
- data_src: "original",
31
- data_srcset: "original-set",
32
- class_loading: "loading",
33
- class_loaded: "loaded",
34
- skip_invisible: true,
35
- callback_load: null,
36
- callback_error: null,
37
- callback_set: null,
38
- callback_processed: null
39
- };
40
- _supportsAddEventListener = !!window.addEventListener;
41
- _supportsAttachEvent = !!window.attachEvent;
42
- _supportsClassList = !!document.body.classList;
43
-
44
- _isInitialized = true;
45
- }
46
- }
47
-
48
- function _addEventListener(element, eventName, callback) {
49
- // Use addEventListener if available
50
- if (_supportsAddEventListener) {
51
- element.addEventListener(eventName, callback);
52
- return;
53
- }
54
- // Otherwise use attachEvent, set this and event
55
- if (_supportsAttachEvent) {
56
- element.attachEvent('on' + eventName, (function(el) {
57
- return function() {
58
- callback.call(el, window.event);
59
- };
60
- }(element)));
61
- // Break closure and primary circular reference to element
62
- element = null;
63
- }
64
- }
65
-
66
- function _removeEventListener(element, eventName, callback) {
67
- // Use removeEventListener if available
68
- if (_supportsAddEventListener) {
69
- element.removeEventListener(eventName, callback);
70
- return;
71
- }
72
- // Otherwise use detachEvent
73
- if (_supportsAttachEvent) {
74
- element.detachEvent('on' + eventName, callback);
75
- }
76
- }
77
-
78
- function _isInsideViewport(element, container, threshold) {
79
-
80
- var ownerDocument, documentTop, documentLeft;
81
-
82
- function _getDocumentWidth() {
83
- return window.innerWidth || (ownerDocument.documentElement.clientWidth || document.body.clientWidth);
84
- }
85
-
86
- function _getDocumentHeight() {
87
- return window.innerHeight || (ownerDocument.documentElement.clientHeight || document.body.clientHeight);
88
- }
89
-
90
- function _getTopOffset(element) {
91
- return element.getBoundingClientRect().top + documentTop - ownerDocument.documentElement.clientTop;
92
- }
93
-
94
- function _getLeftOffset(element) {
95
- return element.getBoundingClientRect().left + documentLeft - ownerDocument.documentElement.clientLeft;
96
- }
97
-
98
- function _isBelowViewport() {
99
- var fold;
100
- if (container === window) {
101
- fold = _getDocumentHeight() + documentTop;
102
- } else {
103
- fold = _getTopOffset(container) + container.offsetHeight;
104
- }
105
- return fold <= _getTopOffset(element) - threshold;
106
- }
107
-
108
- function _isAtRightOfViewport() {
109
- var fold;
110
- if (container === window) {
111
- fold = _getDocumentWidth() + window.pageXOffset;
112
- } else {
113
- fold = _getLeftOffset(container) + _getDocumentWidth();
114
- }
115
- return fold <= _getLeftOffset(element) - threshold;
116
- }
117
-
118
- function _isAboveViewport() {
119
- var fold;
120
- if (container === window) {
121
- fold = documentTop;
122
- } else {
123
- fold = _getTopOffset(container);
124
- }
125
- return fold >= _getTopOffset(element) + threshold + element.offsetHeight;
126
- }
127
-
128
- function _isAtLeftOfViewport() {
129
- var fold;
130
- if (container === window) {
131
- fold = documentLeft;
132
- } else {
133
- fold = _getLeftOffset(container);
134
- }
135
- return fold >= _getLeftOffset(element) + threshold + element.offsetWidth;
136
- }
137
-
138
- ownerDocument = element.ownerDocument;
139
- documentTop = window.pageYOffset || ownerDocument.body.scrollTop;
140
- documentLeft = window.pageXOffset || ownerDocument.body.scrollLeft;
141
-
142
- return !_isBelowViewport() && !_isAboveViewport() && !_isAtRightOfViewport() && !_isAtLeftOfViewport();
143
- }
144
-
145
- function _now() {
146
- var d = new Date();
147
- return d.getTime();
148
- }
149
-
150
- function _merge_objects(obj1, obj2) {
151
- var obj3 = {},
152
- propertyName;
153
- for (propertyName in obj1) {
154
- if (obj1.hasOwnProperty(propertyName)) {
155
- obj3[propertyName] = obj1[propertyName];
156
- }
157
- }
158
- for (propertyName in obj2) {
159
- if (obj2.hasOwnProperty(propertyName)) {
160
- obj3[propertyName] = obj2[propertyName];
161
- }
162
- }
163
- return obj3;
164
- }
165
-
166
- function _convertToArray(nodeSet) {
167
- try {
168
- return Array.prototype.slice.call(nodeSet);
169
- } catch (e) {
170
- var array = [],
171
- i, l = nodeSet.length;
172
-
173
- for (i = 0; i < l; i++) {
174
- array.push(nodeSet[i]);
175
- }
176
- return array;
177
- }
178
- }
179
-
180
- function _addClass(element, className) {
181
- /* HTML 5 compliant browsers. */
182
- if (_supportsClassList) {
183
- element.classList.add(className);
184
- return;
185
- }
186
- /* Legacy browsers (IE<10) support. */
187
- element.className += (element.className ? ' ' : '') + className;
188
- }
189
-
190
- function _removeClass(element, className) {
191
- /* HTML 5 compliant browsers. */
192
- if (_supportsClassList) {
193
- element.classList.remove(className);
194
- return;
195
- }
196
- /* Legacy browsers (IE<10) support. */
197
- element.className = element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').replace(/^\s+/, '').replace(/\s+$/, '');
198
- }
199
-
200
- function _setSourcesForPicture(element, srcsetDataAttribute) {
201
- var parent = element.parentElement;
202
- if (parent.tagName !== 'PICTURE') {
203
- return;
204
- }
205
- for (var i = 0; i < parent.children.length; i++) {
206
- var pictureChild = parent.children[i];
207
- if (pictureChild.tagName === 'SOURCE') {
208
- var sourceSrcset = pictureChild.getAttribute('data-' + srcsetDataAttribute);
209
- if (sourceSrcset) {
210
- pictureChild.setAttribute('srcset', sourceSrcset);
211
- }
212
- }
213
- }
214
- }
215
-
216
- function _setSources(element, srcsetDataAttribute, srcDataAttribute) {
217
- var tagName = element.tagName;
218
- var elementSrc = element.getAttribute('data-' + srcDataAttribute);
219
- if (tagName === "IMG") {
220
- _setSourcesForPicture(element, srcsetDataAttribute);
221
- var imgSrcset = element.getAttribute('data-' + srcsetDataAttribute);
222
- if (imgSrcset) element.setAttribute("srcset", imgSrcset);
223
- if (elementSrc) element.setAttribute("src", elementSrc);
224
- return;
225
- }
226
- if (tagName === "IFRAME") {
227
- if (elementSrc) element.setAttribute("src", elementSrc);
228
- return;
229
- }
230
- element.style.backgroundImage = "url(" + elementSrc + ")";
231
- }
232
-
233
- function _bind(fn, obj) {
234
- return function() {
235
- return fn.apply(obj, arguments);
236
- };
237
- }
238
-
239
-
240
- /*
241
- * INITIALIZER
242
- * -----------
243
- */
244
-
245
- function LazyLoad(instanceSettings) {
246
- _init();
247
-
248
- this._settings = _merge_objects(_defaultSettings, instanceSettings);
249
- this._queryOriginNode = this._settings.container === window ? document : this._settings.container;
250
-
251
- this._previousLoopTime = 0;
252
- this._loopTimeout = null;
253
-
254
- this._handleScrollFn = _bind(this.handleScroll, this);
255
-
256
- _addEventListener(window, "resize", this._handleScrollFn);
257
- this.update();
258
- }
259
-
260
-
261
- /*
262
- * PRIVATE FUNCTIONS *RELATED* TO A SPECIFIC INSTANCE OF LAZY LOAD
263
- * ---------------------------------------------------------------
264
- */
265
-
266
- LazyLoad.prototype._showOnAppear = function(element) {
267
- var settings = this._settings;
268
-
269
- function loadCallback() {
270
- /* As this method is asynchronous, it must be protected against external destroy() calls */
271
- if (settings === null) {
272
- return;
273
- }
274
- /* Calling LOAD callback */
275
- if (settings.callback_load) {
276
- settings.callback_load(element);
277
- }
278
- _removeClass(element, settings.class_loading);
279
- _addClass(element, settings.class_loaded);
280
- _removeEventListener(element, "load", loadCallback);
281
- }
282
-
283
- if (element.tagName === "IMG" || element.tagName === "IFRAME") {
284
- _addEventListener(element, "load", loadCallback);
285
- _addEventListener(element, "error", function () {
286
- _removeEventListener(element, "load", loadCallback);
287
- _removeClass(element, settings.class_loading);
288
- if (settings.callback_error) {
289
- settings.callback_error(element);
290
- }
291
- });
292
- _addClass(element, settings.class_loading);
293
- }
294
-
295
- _setSources(element, settings.data_srcset, settings.data_src);
296
- /* Calling SET callback */
297
- if (settings.callback_set) {
298
- settings.callback_set(element);
299
- }
300
- };
301
-
302
- LazyLoad.prototype._loopThroughElements = function() {
303
- var i, element,
304
- settings = this._settings,
305
- elements = this._elements,
306
- elementsLength = (!elements) ? 0 : elements.length,
307
- processedIndexes = [];
308
-
309
- for (i = 0; i < elementsLength; i++) {
310
- element = elements[i];
311
- /* If must skip_invisible and element is invisible, skip it */
312
- if (settings.skip_invisible && (element.offsetParent === null)) {
313
- continue;
314
- }
315
- if (_isInsideViewport(element, settings.container, settings.threshold)) {
316
- this._showOnAppear(element);
317
-
318
- /* Marking the element as processed. */
319
- processedIndexes.push(i);
320
- element.wasProcessed = true;
321
- }
322
- }
323
- /* Removing processed elements from this._elements. */
324
- while (processedIndexes.length > 0) {
325
- elements.splice(processedIndexes.pop(), 1);
326
- /* Calling the end loop callback */
327
- if (settings.callback_processed) {
328
- settings.callback_processed(elements.length);
329
- }
330
- }
331
- /* Stop listening to scroll event when 0 elements remains */
332
- if (elementsLength === 0) {
333
- this._stopScrollHandler();
334
- }
335
- };
336
-
337
- LazyLoad.prototype._purgeElements = function() {
338
- var i, element,
339
- elements = this._elements,
340
- elementsLength = elements.length,
341
- elementsToPurge = [];
342
-
343
- for (i = 0; i < elementsLength; i++) {
344
- element = elements[i];
345
- /* If the element has already been processed, skip it */
346
- if (element.wasProcessed) {
347
- elementsToPurge.push(i);
348
- }
349
- }
350
- /* Removing elements to purge from this._elements. */
351
- while (elementsToPurge.length > 0) {
352
- elements.splice(elementsToPurge.pop(), 1);
353
- }
354
- };
355
-
356
- LazyLoad.prototype._startScrollHandler = function() {
357
- if (!this._isHandlingScroll) {
358
- this._isHandlingScroll = true;
359
- _addEventListener(this._settings.container, "scroll", this._handleScrollFn);
360
- }
361
- };
362
-
363
- LazyLoad.prototype._stopScrollHandler = function() {
364
- if (this._isHandlingScroll) {
365
- this._isHandlingScroll = false;
366
- _removeEventListener(this._settings.container, "scroll", this._handleScrollFn);
367
- }
368
- };
369
-
370
-
371
- /*
372
- * PUBLIC FUNCTIONS
373
- * ----------------
374
- */
375
-
376
- LazyLoad.prototype.handleScroll = function() {
377
- var remainingTime,
378
- now,
379
- throttle;
380
-
381
- // IE8 fix for destroy() malfunctioning
382
- if (!this._settings) {
383
- return;
384
- }
385
-
386
- now = _now();
387
- throttle = this._settings.throttle;
388
-
389
- if (throttle !== 0) {
390
- remainingTime = throttle - (now - this._previousLoopTime);
391
- if (remainingTime <= 0 || remainingTime > throttle) {
392
- if (this._loopTimeout) {
393
- clearTimeout(this._loopTimeout);
394
- this._loopTimeout = null;
395
- }
396
- this._previousLoopTime = now;
397
- this._loopThroughElements();
398
- } else if (!this._loopTimeout) {
399
- this._loopTimeout = setTimeout(_bind(function() {
400
- this._previousLoopTime = _now();
401
- this._loopTimeout = null;
402
- this._loopThroughElements();
403
- }, this), remainingTime);
404
- }
405
- } else {
406
- this._loopThroughElements();
407
- }
408
- };
409
-
410
- LazyLoad.prototype.update = function() {
411
- this._elements = _convertToArray(this._queryOriginNode.querySelectorAll(this._settings.elements_selector));
412
- this._purgeElements();
413
- this._loopThroughElements();
414
- this._startScrollHandler();
415
- };
416
-
417
- LazyLoad.prototype.destroy = function() {
418
- _removeEventListener(window, "resize", this._handleScrollFn);
419
- if (this._loopTimeout) {
420
- clearTimeout(this._loopTimeout);
421
- this._loopTimeout = null;
422
- }
423
- this._stopScrollHandler();
424
- this._elements = null;
425
- this._queryOriginNode = null;
426
- this._settings = null;
427
- };
428
-
429
-
430
- return LazyLoad;
431
-
432
-
433
- }));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
assets/js/lazyload-3.0.min.js DELETED
@@ -1,2 +0,0 @@
1
- !function(a,b){"function"==typeof define&&define.amd?define([],b):"object"==typeof exports?module.exports=b():a.LazyLoad=b()}(this,function(){function a(){r||(n={elements_selector:"img",container:window,threshold:300,throttle:50,data_src:"original",data_srcset:"original-set",class_loading:"loading",class_loaded:"loaded",skip_invisible:!0,callback_load:null,callback_error:null,callback_set:null,callback_processed:null},o=!!window.addEventListener,p=!!window.attachEvent,q=!!document.body.classList,r=!0)}function b(a,b,c){return o?void a.addEventListener(b,c):void(p&&(a.attachEvent("on"+b,function(a){return function(){c.call(a,window.event)}}(a)),a=null))}function c(a,b,c){return o?void a.removeEventListener(b,c):void(p&&a.detachEvent("on"+b,c))}function d(a,b,c){function d(){return window.innerWidth||l.documentElement.clientWidth||document.body.clientWidth}function e(){return window.innerHeight||l.documentElement.clientHeight||document.body.clientHeight}function f(a){return a.getBoundingClientRect().top+m-l.documentElement.clientTop}function g(a){return a.getBoundingClientRect().left+n-l.documentElement.clientLeft}function h(){var d;return d=b===window?e()+m:f(b)+b.offsetHeight,d<=f(a)-c}function i(){var e;return e=b===window?d()+window.pageXOffset:g(b)+d(),e<=g(a)-c}function j(){var d;return d=b===window?m:f(b),d>=f(a)+c+a.offsetHeight}function k(){var d;return d=b===window?n:g(b),d>=g(a)+c+a.offsetWidth}var l,m,n;return l=a.ownerDocument,m=window.pageYOffset||l.body.scrollTop,n=window.pageXOffset||l.body.scrollLeft,!(h()||j()||i()||k())}function e(){var a=new Date;return a.getTime()}function f(a,b){var c,d={};for(c in a)a.hasOwnProperty(c)&&(d[c]=a[c]);for(c in b)b.hasOwnProperty(c)&&(d[c]=b[c]);return d}function g(a){try{return Array.prototype.slice.call(a)}catch(b){var c,d=[],e=a.length;for(c=0;e>c;c++)d.push(a[c]);return d}}function h(a,b){return q?void a.classList.add(b):void(a.className+=(a.className?" ":"")+b)}function i(a,b){return q?void a.classList.remove(b):void(a.className=a.className.replace(new RegExp("(^|\\s+)"+b+"(\\s+|$)")," ").replace(/^\s+/,"").replace(/\s+$/,""))}function j(a,b){var c=a.parentElement;if("PICTURE"===c.tagName)for(var d=0;d<c.children.length;d++){var e=c.children[d];if("SOURCE"===e.tagName){var f=e.getAttribute("data-"+b);f&&e.setAttribute("srcset",f)}}}function k(a,b,c){var d=a.tagName,e=a.getAttribute("data-"+c);if("IMG"===d){j(a,b);var f=a.getAttribute("data-"+b);return f&&a.setAttribute("srcset",f),void(e&&a.setAttribute("src",e))}return"IFRAME"===d?void(e&&a.setAttribute("src",e)):void(a.style.backgroundImage="url("+e+")")}function l(a,b){return function(){return a.apply(b,arguments)}}function m(c){a(),this._settings=f(n,c),this._queryOriginNode=this._settings.container===window?document:this._settings.container,this._previousLoopTime=0,this._loopTimeout=null,this._handleScrollFn=l(this.handleScroll,this),b(window,"resize",this._handleScrollFn),this.update()}var n,o,p,q,r=!1;return m.prototype._showOnAppear=function(a){function d(){null!==e&&(e.callback_load&&e.callback_load(a),i(a,e.class_loading),h(a,e.class_loaded),c(a,"load",d))}var e=this._settings;("IMG"===a.tagName||"IFRAME"===a.tagName)&&(b(a,"load",d),b(a,"error",function(){c(a,"load",d),i(a,e.class_loading),e.callback_error&&e.callback_error(a)}),h(a,e.class_loading)),k(a,e.data_srcset,e.data_src),e.callback_set&&e.callback_set(a)},m.prototype._loopThroughElements=function(){var a,b,c=this._settings,e=this._elements,f=e?e.length:0,g=[];for(a=0;f>a;a++)b=e[a],c.skip_invisible&&null===b.offsetParent||d(b,c.container,c.threshold)&&(this._showOnAppear(b),g.push(a),b.wasProcessed=!0);for(;g.length>0;)e.splice(g.pop(),1),c.callback_processed&&c.callback_processed(e.length);0===f&&this._stopScrollHandler()},m.prototype._purgeElements=function(){var a,b,c=this._elements,d=c.length,e=[];for(a=0;d>a;a++)b=c[a],b.wasProcessed&&e.push(a);for(;e.length>0;)c.splice(e.pop(),1)},m.prototype._startScrollHandler=function(){this._isHandlingScroll||(this._isHandlingScroll=!0,b(this._settings.container,"scroll",this._handleScrollFn))},m.prototype._stopScrollHandler=function(){this._isHandlingScroll&&(this._isHandlingScroll=!1,c(this._settings.container,"scroll",this._handleScrollFn))},m.prototype.handleScroll=function(){var a,b,c;this._settings&&(b=e(),c=this._settings.throttle,0!==c?(a=c-(b-this._previousLoopTime),0>=a||a>c?(this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._previousLoopTime=b,this._loopThroughElements()):this._loopTimeout||(this._loopTimeout=setTimeout(l(function(){this._previousLoopTime=e(),this._loopTimeout=null,this._loopThroughElements()},this),a))):this._loopThroughElements())},m.prototype.update=function(){this._elements=g(this._queryOriginNode.querySelectorAll(this._settings.elements_selector)),this._purgeElements(),this._loopThroughElements(),this._startScrollHandler()},m.prototype.destroy=function(){c(window,"resize",this._handleScrollFn),this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._stopScrollHandler(),this._elements=null,this._queryOriginNode=null,this._settings=null},m});
2
- //# sourceMappingURL=lazyload.min.js.map
 
 
assets/js/lazyload-8.0.3.min.js DELETED
@@ -1 +0,0 @@
1
- var _extends=Object.assign||function(a){for(var b=1;b<arguments.length;b++){var c=arguments[b];for(var d in c)Object.prototype.hasOwnProperty.call(c,d)&&(a[d]=c[d])}return a},_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a};!function(a,b){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=b():"function"==typeof define&&define.amd?define(b):a.LazyLoad=b()}(this,function(){"use strict";var a={elements_selector:"img",container:window,threshold:300,throttle:150,data_src:"original",data_srcset:"originalSet",class_loading:"loading",class_loaded:"loaded",class_error:"error",class_initial:"initial",skip_invisible:!0,callback_load:null,callback_error:null,callback_set:null,callback_processed:null},b=!("onscroll"in window)||/glebot/.test(navigator.userAgent),c=function(a,b){a&&a(b)},d=function(a){return a.getBoundingClientRect().top+window.pageYOffset-a.ownerDocument.documentElement.clientTop},e=function(a,b,c){return(b===window?window.innerHeight+window.pageYOffset:d(b)+b.offsetHeight)<=d(a)-c},f=function(a){return a.getBoundingClientRect().left+window.pageXOffset-a.ownerDocument.documentElement.clientLeft},g=function(a,b,c){var d=window.innerWidth;return(b===window?d+window.pageXOffset:f(b)+d)<=f(a)-c},h=function(a,b,c){return(b===window?window.pageYOffset:d(b))>=d(a)+c+a.offsetHeight},i=function(a,b,c){return(b===window?window.pageXOffset:f(b))>=f(a)+c+a.offsetWidth},j=function(a,b,c){return!(e(a,b,c)||h(a,b,c)||g(a,b,c)||i(a,b,c))},k=function(a,b){var c=new a(b),d=new CustomEvent("LazyLoad::Initialized",{detail:{instance:c}});window.dispatchEvent(d)},l=function(a,b){var c=a.parentElement;if("PICTURE"===c.tagName)for(var d=0;d<c.children.length;d++){var e=c.children[d];if("SOURCE"===e.tagName){var f=e.dataset[b];f&&e.setAttribute("srcset",f)}}},m=function(a,b,c){var d=a.tagName,e=a.dataset[c];if("IMG"===d){l(a,b);var f=a.dataset[b];return f&&a.setAttribute("srcset",f),void(e&&a.setAttribute("src",e))}if("IFRAME"===d)return void(e&&a.setAttribute("src",e));e&&(a.style.backgroundImage='url("'+e+'")')},n=function(b){this._settings=_extends({},a,b),this._queryOriginNode=this._settings.container===window?document:this._settings.container,this._previousLoopTime=0,this._loopTimeout=null,this._boundHandleScroll=this.handleScroll.bind(this),this._isFirstLoop=!0,window.addEventListener("resize",this._boundHandleScroll),this.update()};n.prototype={_reveal:function(a){var b=this._settings,d=function d(){b&&(a.removeEventListener("load",e),a.removeEventListener("error",d),a.classList.remove(b.class_loading),a.classList.add(b.class_error),c(b.callback_error,a))},e=function e(){b&&(a.classList.remove(b.class_loading),a.classList.add(b.class_loaded),a.removeEventListener("load",e),a.removeEventListener("error",d),c(b.callback_load,a))};"IMG"!==a.tagName&&"IFRAME"!==a.tagName||(a.addEventListener("load",e),a.addEventListener("error",d),a.classList.add(b.class_loading)),m(a,b.data_srcset,b.data_src),c(b.callback_set,a)},_loopThroughElements:function(){var a=this._settings,d=this._elements,e=d?d.length:0,f=void 0,g=[],h=this._isFirstLoop;for(f=0;f<e;f++){var i=d[f];a.skip_invisible&&null===i.offsetParent||(b||j(i,a.container,a.threshold))&&(h&&i.classList.add(a.class_initial),this._reveal(i),g.push(f),i.dataset.wasProcessed=!0)}for(;g.length;)d.splice(g.pop(),1),c(a.callback_processed,d.length);0===e&&this._stopScrollHandler(),h&&(this._isFirstLoop=!1)},_purgeElements:function(){var a=this._elements,b=a.length,c=void 0,d=[];for(c=0;c<b;c++){a[c].dataset.wasProcessed&&d.push(c)}for(;d.length>0;)a.splice(d.pop(),1)},_startScrollHandler:function(){this._isHandlingScroll||(this._isHandlingScroll=!0,this._settings.container.addEventListener("scroll",this._boundHandleScroll))},_stopScrollHandler:function(){this._isHandlingScroll&&(this._isHandlingScroll=!1,this._settings.container.removeEventListener("scroll",this._boundHandleScroll))},handleScroll:function(){var a=this._settings.throttle;if(0!==a){var b=Date.now(),c=a-(b-this._previousLoopTime);c<=0||c>a?(this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._previousLoopTime=b,this._loopThroughElements()):this._loopTimeout||(this._loopTimeout=setTimeout(function(){this._previousLoopTime=Date.now(),this._loopTimeout=null,this._loopThroughElements()}.bind(this),c))}else this._loopThroughElements()},update:function(){this._elements=Array.prototype.slice.call(this._queryOriginNode.querySelectorAll(this._settings.elements_selector)),this._purgeElements(),this._loopThroughElements(),this._startScrollHandler()},destroy:function(){window.removeEventListener("resize",this._boundHandleScroll),this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._stopScrollHandler(),this._elements=null,this._queryOriginNode=null,this._settings=null}};var o=window.lazyLoadOptions;return o&&function(a,b){var c=b.length;if(c)for(var d=0;d<c;d++)k(a,b[d]);else k(a,b)}(n,o),n});
 
assets/js/{lazyload-8.0.3.js → lazyload-8.2.js} RENAMED
@@ -13,7 +13,7 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
13
  threshold: 300,
14
  throttle: 150,
15
  data_src: "original",
16
- data_srcset: "originalSet",
17
  class_loading: "loading",
18
  class_loaded: "loaded",
19
  class_error: "error",
@@ -88,6 +88,16 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
88
  }
89
  };
90
 
 
 
 
 
 
 
 
 
 
 
91
  var setSourcesForPicture = function setSourcesForPicture(element, srcsetDataAttribute) {
92
  var parent = element.parentElement;
93
  if (parent.tagName !== "PICTURE") {
@@ -96,7 +106,7 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
96
  for (var i = 0; i < parent.children.length; i++) {
97
  var pictureChild = parent.children[i];
98
  if (pictureChild.tagName === "SOURCE") {
99
- var sourceSrcset = pictureChild.dataset[srcsetDataAttribute];
100
  if (sourceSrcset) {
101
  pictureChild.setAttribute("srcset", sourceSrcset);
102
  }
@@ -106,10 +116,10 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
106
 
107
  var setSources = function setSources(element, srcsetDataAttribute, srcDataAttribute) {
108
  var tagName = element.tagName;
109
- var elementSrc = element.dataset[srcDataAttribute];
110
  if (tagName === "IMG") {
111
  setSourcesForPicture(element, srcsetDataAttribute);
112
- var imgSrcset = element.dataset[srcsetDataAttribute];
113
  if (imgSrcset) {
114
  element.setAttribute("srcset", imgSrcset);
115
  }
@@ -129,6 +139,24 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
129
  }
130
  };
131
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
132
  /*
133
  * Constructor
134
  */
@@ -162,8 +190,8 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
162
  }
163
  element.removeEventListener("load", loadCallback);
164
  element.removeEventListener("error", errorCallback);
165
- element.classList.remove(settings.class_loading);
166
- element.classList.add(settings.class_error);
167
  callCallback(settings.callback_error, element);
168
  };
169
 
@@ -172,8 +200,8 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
172
  if (!settings) {
173
  return;
174
  }
175
- element.classList.remove(settings.class_loading);
176
- element.classList.add(settings.class_loaded);
177
  element.removeEventListener("load", loadCallback);
178
  element.removeEventListener("error", errorCallback);
179
  /* Calling LOAD callback */
@@ -183,7 +211,7 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
183
  if (element.tagName === "IMG" || element.tagName === "IFRAME") {
184
  element.addEventListener("load", loadCallback);
185
  element.addEventListener("error", errorCallback);
186
- element.classList.add(settings.class_loading);
187
  }
188
 
189
  setSources(element, settings.data_srcset, settings.data_src);
@@ -208,13 +236,13 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
208
 
209
  if (isBot || isInsideViewport(element, settings.container, settings.threshold)) {
210
  if (firstLoop) {
211
- element.classList.add(settings.class_initial);
212
  }
213
  /* Start loading the image */
214
  this._reveal(element);
215
  /* Marking the element as processed. */
216
  processedIndexes.push(i);
217
- element.dataset.wasProcessed = true;
218
  }
219
  }
220
  /* Removing processed elements from this._elements. */
@@ -242,7 +270,7 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
242
  for (i = 0; i < elementsLength; i++) {
243
  var element = elements[i];
244
  /* If the element has already been processed, skip it */
245
- if (element.dataset.wasProcessed) {
246
  elementsToPurge.push(i);
247
  }
248
  }
@@ -323,4 +351,4 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
323
  }
324
 
325
  return LazyLoad;
326
- });
13
  threshold: 300,
14
  throttle: 150,
15
  data_src: "original",
16
+ data_srcset: "original-set",
17
  class_loading: "loading",
18
  class_loaded: "loaded",
19
  class_error: "error",
88
  }
89
  };
90
 
91
+ var dataPrefix = "data-";
92
+
93
+ var getData = function getData(element, attribute) {
94
+ return element.getAttribute(dataPrefix + attribute);
95
+ };
96
+
97
+ var setData = function setData(element, attribute, value) {
98
+ return element.setAttribute(dataPrefix + attribute, value);
99
+ };
100
+
101
  var setSourcesForPicture = function setSourcesForPicture(element, srcsetDataAttribute) {
102
  var parent = element.parentElement;
103
  if (parent.tagName !== "PICTURE") {
106
  for (var i = 0; i < parent.children.length; i++) {
107
  var pictureChild = parent.children[i];
108
  if (pictureChild.tagName === "SOURCE") {
109
+ var sourceSrcset = getData(pictureChild, srcsetDataAttribute);
110
  if (sourceSrcset) {
111
  pictureChild.setAttribute("srcset", sourceSrcset);
112
  }
116
 
117
  var setSources = function setSources(element, srcsetDataAttribute, srcDataAttribute) {
118
  var tagName = element.tagName;
119
+ var elementSrc = getData(element, srcDataAttribute);
120
  if (tagName === "IMG") {
121
  setSourcesForPicture(element, srcsetDataAttribute);
122
+ var imgSrcset = getData(element, srcsetDataAttribute);
123
  if (imgSrcset) {
124
  element.setAttribute("srcset", imgSrcset);
125
  }
139
  }
140
  };
141
 
142
+ var supportsClassList = !!document.body.classList;
143
+
144
+ var addClass = function addClass(element, className) {
145
+ if (supportsClassList) {
146
+ element.classList.add(className);
147
+ return;
148
+ }
149
+ element.className += (element.className ? " " : "") + className;
150
+ };
151
+
152
+ var removeClass = function removeClass(element, className) {
153
+ if (supportsClassList) {
154
+ element.classList.remove(className);
155
+ return;
156
+ }
157
+ element.className = element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), " ").replace(/^\s+/, "").replace(/\s+$/, "");
158
+ };
159
+
160
  /*
161
  * Constructor
162
  */
190
  }
191
  element.removeEventListener("load", loadCallback);
192
  element.removeEventListener("error", errorCallback);
193
+ removeClass(element, settings.class_loading);
194
+ addClass(element, settings.class_error);
195
  callCallback(settings.callback_error, element);
196
  };
197
 
200
  if (!settings) {
201
  return;
202
  }
203
+ removeClass(element, settings.class_loading);
204
+ addClass(element, settings.class_loaded);
205
  element.removeEventListener("load", loadCallback);
206
  element.removeEventListener("error", errorCallback);
207
  /* Calling LOAD callback */
211
  if (element.tagName === "IMG" || element.tagName === "IFRAME") {
212
  element.addEventListener("load", loadCallback);
213
  element.addEventListener("error", errorCallback);
214
+ addClass(element, settings.class_loading);
215
  }
216
 
217
  setSources(element, settings.data_srcset, settings.data_src);
236
 
237
  if (isBot || isInsideViewport(element, settings.container, settings.threshold)) {
238
  if (firstLoop) {
239
+ addClass(element, settings.class_initial);
240
  }
241
  /* Start loading the image */
242
  this._reveal(element);
243
  /* Marking the element as processed. */
244
  processedIndexes.push(i);
245
+ setData(element, "was-processed", true);
246
  }
247
  }
248
  /* Removing processed elements from this._elements. */
270
  for (i = 0; i < elementsLength; i++) {
271
  var element = elements[i];
272
  /* If the element has already been processed, skip it */
273
+ if (getData(element, "was-processed")) {
274
  elementsToPurge.push(i);
275
  }
276
  }
351
  }
352
 
353
  return LazyLoad;
354
+ });
assets/js/lazyload-8.2.min.js ADDED
@@ -0,0 +1 @@
 
1
+ var _extends=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(e[o]=n[o])}return e},_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};!function(e,t){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.LazyLoad=t()}(this,function(){"use strict";var e={elements_selector:"img",container:window,threshold:300,throttle:150,data_src:"original",data_srcset:"original-set",class_loading:"loading",class_loaded:"loaded",class_error:"error",class_initial:"initial",skip_invisible:!0,callback_load:null,callback_error:null,callback_set:null,callback_processed:null},t=!("onscroll"in window)||/glebot/.test(navigator.userAgent),n=function(e,t){e&&e(t)},o=function(e){return e.getBoundingClientRect().top+window.pageYOffset-e.ownerDocument.documentElement.clientTop},i=function(e,t,n){return(t===window?window.innerHeight+window.pageYOffset:o(t)+t.offsetHeight)<=o(e)-n},s=function(e){return e.getBoundingClientRect().left+window.pageXOffset-e.ownerDocument.documentElement.clientLeft},r=function(e,t,n){var o=window.innerWidth;return(t===window?o+window.pageXOffset:s(t)+o)<=s(e)-n},l=function(e,t,n){return(t===window?window.pageYOffset:o(t))>=o(e)+n+e.offsetHeight},a=function(e,t,n){return(t===window?window.pageXOffset:s(t))>=s(e)+n+e.offsetWidth},c=function(e,t,n){return!(i(e,t,n)||l(e,t,n)||r(e,t,n)||a(e,t,n))},u=function(e,t){var n=new e(t),o=new CustomEvent("LazyLoad::Initialized",{detail:{instance:n}});window.dispatchEvent(o)},d=function(e,t){return e.getAttribute("data-"+t)},h=function(e,t,n){return e.setAttribute("data-"+t,n)},f=function(e,t){var n=e.parentElement;if("PICTURE"===n.tagName)for(var o=0;o<n.children.length;o++){var i=n.children[o];if("SOURCE"===i.tagName){var s=d(i,t);s&&i.setAttribute("srcset",s)}}},_=function(e,t,n){var o=e.tagName,i=d(e,n);if("IMG"===o){f(e,t);var s=d(e,t);return s&&e.setAttribute("srcset",s),void(i&&e.setAttribute("src",i))}"IFRAME"!==o?i&&(e.style.backgroundImage='url("'+i+'")'):i&&e.setAttribute("src",i)},p=!!document.body.classList,m=function(e,t){p?e.classList.add(t):e.className+=(e.className?" ":"")+t},g=function(e,t){p?e.classList.remove(t):e.className=e.className.replace(new RegExp("(^|\\s+)"+t+"(\\s+|$)")," ").replace(/^\s+/,"").replace(/\s+$/,"")},v=function(t){this._settings=_extends({},e,t),this._queryOriginNode=this._settings.container===window?document:this._settings.container,this._previousLoopTime=0,this._loopTimeout=null,this._boundHandleScroll=this.handleScroll.bind(this),this._isFirstLoop=!0,window.addEventListener("resize",this._boundHandleScroll),this.update()};v.prototype={_reveal:function(e){var t=this._settings,o=function o(){t&&(e.removeEventListener("load",i),e.removeEventListener("error",o),g(e,t.class_loading),m(e,t.class_error),n(t.callback_error,e))},i=function i(){t&&(g(e,t.class_loading),m(e,t.class_loaded),e.removeEventListener("load",i),e.removeEventListener("error",o),n(t.callback_load,e))};"IMG"!==e.tagName&&"IFRAME"!==e.tagName||(e.addEventListener("load",i),e.addEventListener("error",o),m(e,t.class_loading)),_(e,t.data_srcset,t.data_src),n(t.callback_set,e)},_loopThroughElements:function(){var e=this._settings,o=this._elements,i=o?o.length:0,s=void 0,r=[],l=this._isFirstLoop;for(s=0;s<i;s++){var a=o[s];e.skip_invisible&&null===a.offsetParent||(t||c(a,e.container,e.threshold))&&(l&&m(a,e.class_initial),this._reveal(a),r.push(s),h(a,"was-processed",!0))}for(;r.length;)o.splice(r.pop(),1),n(e.callback_processed,o.length);0===i&&this._stopScrollHandler(),l&&(this._isFirstLoop=!1)},_purgeElements:function(){var e=this._elements,t=e.length,n=void 0,o=[];for(n=0;n<t;n++){var i=e[n];d(i,"was-processed")&&o.push(n)}for(;o.length>0;)e.splice(o.pop(),1)},_startScrollHandler:function(){this._isHandlingScroll||(this._isHandlingScroll=!0,this._settings.container.addEventListener("scroll",this._boundHandleScroll))},_stopScrollHandler:function(){this._isHandlingScroll&&(this._isHandlingScroll=!1,this._settings.container.removeEventListener("scroll",this._boundHandleScroll))},handleScroll:function(){var e=this._settings.throttle;if(0!==e){var t=Date.now(),n=e-(t-this._previousLoopTime);n<=0||n>e?(this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._previousLoopTime=t,this._loopThroughElements()):this._loopTimeout||(this._loopTimeout=setTimeout(function(){this._previousLoopTime=Date.now(),this._loopTimeout=null,this._loopThroughElements()}.bind(this),n))}else this._loopThroughElements()},update:function(){this._elements=Array.prototype.slice.call(this._queryOriginNode.querySelectorAll(this._settings.elements_selector)),this._purgeElements(),this._loopThroughElements(),this._startScrollHandler()},destroy:function(){window.removeEventListener("resize",this._boundHandleScroll),this._loopTimeout&&(clearTimeout(this._loopTimeout),this._loopTimeout=null),this._stopScrollHandler(),this._elements=null,this._queryOriginNode=null,this._settings=null}};var w=window.lazyLoadOptions;return w&&function(e,t){var n=t.length;if(n)for(var o=0;o<n;o++)u(e,t[o]);else u(e,t)}(v,w),v});
readme.txt CHANGED
@@ -2,8 +2,8 @@
2
  Contributors: creativejuiz, tabrisrp, wp_media
3
  Tags: lazyload, lazy load, images, iframes, thumbnail, thumbnails, smiley, smilies, avatar, gravatar
4
  Requires at least: 3.0
5
- Tested up to: 4.8.1
6
- Stable tag: 1.4.1
7
 
8
  The tiny Lazy Load script for WordPress without jQuery, works for images and iframes.
9
 
@@ -51,6 +51,9 @@ Some plugins are not compatible without lazy loading. Please open a support thre
51
 
52
  == Changelog ==
53
 
 
 
 
54
  = 1.4.1 =
55
  * Fix bug caused by a too aggressive cleanup
56
 
2
  Contributors: creativejuiz, tabrisrp, wp_media
3
  Tags: lazyload, lazy load, images, iframes, thumbnail, thumbnails, smiley, smilies, avatar, gravatar
4
  Requires at least: 3.0
5
+ Tested up to: 4.8
6
+ Stable tag: 1.4.2
7
 
8
  The tiny Lazy Load script for WordPress without jQuery, works for images and iframes.
9
 
51
 
52
  == Changelog ==
53
 
54
+ = 1.4.2 =
55
+ * Update lazyload script to bring back compatibility with IE9/10
56
+
57
  = 1.4.1 =
58
  * Fix bug caused by a too aggressive cleanup
59
 
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: 1.4.1
7
  * Requires PHP: 5.4
8
  * Author: WP Media
9
  * Author URI: https://wp-rocket.me
@@ -34,12 +34,12 @@ use PHPHtmlParser\Dom\Tag;
34
 
35
  defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
36
 
37
- define( 'ROCKET_LL_VERSION', '1.4.1' );
38
  define( 'ROCKET_LL_PATH', realpath( plugin_dir_path( __FILE__ ) ) . '/' );
39
  define( 'ROCKET_LL_3RD_PARTY_PATH', ROCKET_LL_PATH . '3rd-party/' );
40
  define( 'ROCKET_LL_ASSETS_URL', plugin_dir_url( __FILE__ ) . 'assets/' );
41
  define( 'ROCKET_LL_FRONT_JS_URL', ROCKET_LL_ASSETS_URL . 'js/' );
42
- define( 'ROCKET_LL_JS_VERSION' , '8.0.3' );
43
 
44
 
45
  /**
@@ -117,8 +117,8 @@ function rocket_lazyload_script() {
117
  echo <<<HTML
118
  <script>window.lazyLoadOptions = {
119
  elements_selector: "img, iframe",
120
- data_src: "lazySrc",
121
- data_srcset: "lazySrcset",
122
  class_loading: "lazyloading",
123
  class_loaded: "lazyloaded",
124
  threshold: $threshold,
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: 1.4.2
7
  * Requires PHP: 5.4
8
  * Author: WP Media
9
  * Author URI: https://wp-rocket.me
34
 
35
  defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
36
 
37
+ define( 'ROCKET_LL_VERSION', '1.4.2' );
38
  define( 'ROCKET_LL_PATH', realpath( plugin_dir_path( __FILE__ ) ) . '/' );
39
  define( 'ROCKET_LL_3RD_PARTY_PATH', ROCKET_LL_PATH . '3rd-party/' );
40
  define( 'ROCKET_LL_ASSETS_URL', plugin_dir_url( __FILE__ ) . 'assets/' );
41
  define( 'ROCKET_LL_FRONT_JS_URL', ROCKET_LL_ASSETS_URL . 'js/' );
42
+ define( 'ROCKET_LL_JS_VERSION' , '8.2' );
43
 
44
 
45
  /**
117
  echo <<<HTML
118
  <script>window.lazyLoadOptions = {
119
  elements_selector: "img, iframe",
120
+ data_src: "lazy-src",
121
+ data_srcset: "lazy-srcset",
122
  class_loading: "lazyloading",
123
  class_loaded: "lazyloaded",
124
  threshold: $threshold,