wikimedia/mediawiki-extensions-Wikibase

/**
 * @license GPL-2.0-or-later
 * @author Daniel Werner
 */
( function () {
    'use strict';

    /**
     * Removes CSS classes according to a regular expression.
     *
     * @param {RegExp} classNameRegex
     * @return {jQuery}
     */
    $.fn.removeClassByRegex = function ( classNameRegex ) {
        this.attr( 'class', function ( index, classes ) {
            if ( !classes ) {
                // If nothing is returned the current value is not changed.
                return;
            }
            return classes
                .split( /\s+/ )
                .filter( function ( className ) {
                    // Check for each class whether it matches the regexp.
                    return !classNameRegex.test( className );
                } )
                .join( ' ' );
        } );

        return this;
    };

}() );