wikimedia/mediawiki-extensions-Wikibase

( function () {
    'use strict';

    var EntityIdHtmlFormatter = require( './EntityIdHtmlFormatter.js' );

    /**
     * @param {dataValues.ValueParser} parser
     * @param {dataValues.ValueFormatter} formatter
     */
    module.exports = util.inherit(
        'DataValueBasedEntityIdHtmlFormatter',
        EntityIdHtmlFormatter,
        function ( parser, formatter ) {
            this._parser = parser;
            this._formatter = formatter;
        },
        {
            _parser: null,

            _formatter: null,

            format: function ( entityId ) {
                var deferred = $.Deferred(),
                    self = this;
                this._parser.parse( entityId ).done( function ( parsed ) {
                    return self._formatter.format( parsed ).done( function ( response ) {
                        deferred.resolve( response );
                    } ).fail( function () {
                        deferred.resolve( mw.html.escape( entityId ) );
                    } );
                } ).fail( function () {
                    deferred.resolve( mw.html.escape( entityId ) );
                } );

                return deferred.promise();
            }

        }
    );
}() );