https://www.revolucija.hr/media/static/scripts/classie.js

1 /*!
2         * classie - class helper functions
3         * from bonzo https://github.com/ded/bonzo
4         * 
5         * classie.has( elem, 'my-class' ) -> true/false
6         * classie.add( elem, 'my-new-class' )
7         * classie.remove( elem, 'my-unwanted-class' )
8         * classie.toggle( elem, 'my-class' )
9         */
10
11        /*jshint browser: true, strict: true, undef: true */
12        /*global define: false */
13
14        ( function( window ) {
15
16        'use strict';
17
18        // class helper functions from bonzo https://github.com/ded/bonzo
19
20        function classReg( className ) {
21          return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
22        }
23
24        // classList support for class management
25        // altho to be fair, the api sucks because it won't accept multiple classes at once
26        var hasClass, addClass, removeClass;
27
28        if ( 'classList' in document.documentElement ) {
29          hasClass = function( elem, c ) {
30            return elem.classList.contains( c );
31          };
32          addClass = function( elem, c ) {
33            elem.classList.add( c );
34          };
35          removeClass = function( elem, c ) {
36            elem.classList.remove( c );
37          };
38        }
39        else {
40          hasClass = function( elem, c ) {
41            return classReg( c ).test( elem.className );
42          };
43          addClass = function( elem, c ) {
44            if ( !hasClass( elem, c ) ) {
45              elem.className = elem.className + ' ' + c;
46            }
47          };
48          removeClass = function( elem, c ) {
49            elem.className = elem.className.replace( classReg( c ), ' ' );
50          };
51        }
52
53        function toggleClass( elem, c ) {
54          var fn = hasClass( elem, c ) ? removeClass : addClass;
55          fn( elem, c );
56        }
57
58        var classie = {
59          // full names
60          hasClass: hasClass,
61          addClass: addClass,
62          removeClass: removeClass,
63          toggleClass: toggleClass,
64          // short names
65          has: hasClass,
66          add: addClass,
67          remove: removeClass,
68          toggle: toggleClass
69        };
70
71        // transport
72        if ( typeof define === 'function' && define.amd ) {
73          // AMD
74          define( classie );
75        } else {
76          // browser global
77          window.classie = classie;
78        }
79
80        })( window );