JavaScript File

1;(function (root, blazy) {

2 if (typeof define === 'function' && define.amd) {

3 define(blazy)

4 } else if (typeof exports === 'object') {

5 module.exports = blazy()

6 } else {

7 root.Blazy = blazy()

8 }

9})(this, function () {

10 'use strict';

11 var _source, _viewport, _isRetina, _supportClosest, _attrSrc = 'src', _attrSrcset = 'srcset';

12 return function Blazy(options) {

13 if (!document.querySelectorAll) {

14 var s = document.createStyleSheet();

15 document.querySelectorAll = function (r, c, i, j, a) {

16 a = document.all, c = [], r = r.replace(/\[for\b/gi, '[htmlFor').split(',');

17 for (i = r.length; i--;) {

18 s.addRule(r[i], 'k:v');

19 for (j = a.length; j--;) a[j].currentStyle.k && c.push(a[j]);

20 s.removeRule(0)

21 }

22 return c

23 }

24 }

25 var scope = this;

26 var util = scope._util = {};

27 util.elements = [];

28 util.destroyed = true;

29 scope.options = options || {};

30 scope.options.error = scope.options.error || false;

31 scope.options.offset = scope.options.offset || 100;

32 scope.options.root = scope.options.root || document;

33 scope.options.success = scope.options.success || false;

34 scope.options.selector = scope.options.selector || '.b-lazy';

35 scope.options.separator = scope.options.separator || '|';

36 scope.options.containerClass = scope.options.container;

37 scope.options.container = scope.options.containerClass ? document.querySelectorAll(scope.options.containerClass) : false;

38 scope.options.errorClass = scope.options.errorClass || 'b-error';

39 scope.options.breakpoints = scope.options.breakpoints || false;

40 scope.options.loadInvisible = scope.options.loadInvisible || false;

...