*/
( function ( $, mw ) {
+ var hasOwn = Object.prototype.hasOwnProperty;
+
/**
* @class mw.widgets.PageExistenceCache
* @private
queue = this.existenceCheckQueue;
this.existenceCheckQueue = {};
titles = Object.keys( queue ).filter( function ( title ) {
- if ( cache.existenceCache.hasOwnProperty( title ) ) {
+ if ( hasOwn.call( cache.existenceCache, title ) ) {
queue[ title ].resolve( cache.existenceCache[ title ] );
}
- return !cache.existenceCache.hasOwnProperty( title );
+ return !hasOwn.call( cache.existenceCache, title );
} );
if ( !titles.length ) {
return;
} );
titles.forEach( function ( title ) {
var normalizedTitle = title;
- while ( normalized[ normalizedTitle ] ) {
+ while ( hasOwn.call( normalized, normalizedTitle ) ) {
normalizedTitle = normalized[ normalizedTitle ];
}
cache.existenceCache[ title ] = pages[ normalizedTitle ];
*/
PageExistenceCache.prototype.checkPageExistence = function ( title ) {
var key = title.getPrefixedText();
- if ( !this.existenceCheckQueue[ key ] ) {
+ if ( !hasOwn.call( this.existenceCheckQueue, key ) ) {
this.existenceCheckQueue[ key ] = $.Deferred();
}
this.processExistenceCheckQueueDebounced();