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- /*!
- * classie - class helper functions
- * from bonzo https://github.com/ded/bonzo
- *
- * classie.has( elem, 'my-class' ) -> true/false
- * classie.add( elem, 'my-new-class' )
- * classie.remove( elem, 'my-unwanted-class' )
- * classie.toggle( elem, 'my-class' )
- */
- /*jshint browser: true, strict: true, undef: true */
- /*global define: false */
- ( function( window ) {
- 'use strict';
- // class helper functions from bonzo https://github.com/ded/bonzo
- function classReg( className ) {
- return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
- }
- // classList support for class management
- // altho to be fair, the api sucks because it won't accept multiple classes at once
- var hasClass, addClass, removeClass;
- if ( 'classList' in document.documentElement ) {
- hasClass = function( elem, c ) {
- return elem.classList.contains( c );
- };
- addClass = function( elem, c ) {
- elem.classList.add( c );
- };
- removeClass = function( elem, c ) {
- elem.classList.remove( c );
- };
- }
- else {
- hasClass = function( elem, c ) {
- return classReg( c ).test( elem.className );
- };
- addClass = function( elem, c ) {
- if ( !hasClass( elem, c ) ) {
- elem.className = elem.className + ' ' + c;
- }
- };
- removeClass = function( elem, c ) {
- elem.className = elem.className.replace( classReg( c ), ' ' );
- };
- }
- function toggleClass( elem, c ) {
- var fn = hasClass( elem, c ) ? removeClass : addClass;
- fn( elem, c );
- }
- var classie = {
- // full names
- hasClass: hasClass,
- addClass: addClass,
- removeClass: removeClass,
- toggleClass: toggleClass,
- // short names
- has: hasClass,
- add: addClass,
- remove: removeClass,
- toggle: toggleClass
- };
- // transport
- if ( typeof define === 'function' && define.amd ) {
- // AMD
- define( classie );
- } else {
- // browser global
- window.classie = classie;
- }
- })( window );
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