mediawiki-extensions-VisualEditor/modules/ve-mw/ve.MWutils.js

/*!
 * VisualEditor MediaWiki utilities.
 *
 * @copyright 2011-2017 VisualEditor Team and others; see http://ve.mit-license.org
 */

/**
 * @class ve
 */

/**
 * Decode a URI component into a mediawiki article title
 *
 * N.B. Illegal article titles can result from fairly reasonable input (e.g. "100%25beef");
 * see https://phabricator.wikimedia.org/T137847 .
 *
 * @param {string} s String to decode
 * @param {boolean} [preserveUnderscores] Don't convert underscores to spaces
 * @return {string} Decoded string, or original string if decodeURIComponent failed
 */
ve.decodeURIComponentIntoArticleTitle = function ( s, preserveUnderscores ) {
	try {
		s = decodeURIComponent( s );
	} catch ( e ) {
		return s;
	}
	if ( preserveUnderscores ) {
		return s;
	}
	return s.replace( /_/g, ' ' );
};