layoutcomponents-8.x-1.14-beta2/js/includes/jquery.alterclass.js

/**
 * jQuery alterClass plugin
 *
 * Remove element classes with wildcard matching. Optionally add classes:
 *   $( '#foo' ).alterClass( 'foo-* bar-*', 'foobar' )
 *
 * Copyright (c) 2011 Pete Boere (the-echoplex.net)
 * Free under terms of the MIT license: http://www.opensource.org/licenses/mit-license.php
 *
 */
(function ( $ ) {

  $.fn.alterClass = function ( removals, additions ) {

    var self = this;

    if ( removals.indexOf( '*' ) === -1 ) {
      // Use native jQuery methods if there is no wildcard matching
      self.removeClass( removals );
      return !additions ? self : self.addClass( additions );
    }

    var patt = new RegExp( '\\s' +
        removals.
        replace( /\*/g, '[A-Za-z0-9-_]+' ).
        split( ' ' ).
        join( '\\s|\\s' ) +
        '\\s', 'g' );

    self.each( function ( i, it ) {
      var cn = ' ' + it.className + ' ';
      while ( patt.test( cn ) ) {
        cn = cn.replace( patt, ' ' );
      }
      it.className = $.trim( cn );
    });

    return !additions ? self : self.addClass( additions );
  };

})( jQuery );