},
/**
- * Formats language tags according the BCP 47 standard.
+ * Formats language tags according the BCP47 standard.
* See LanguageCode::bcp47 for the PHP implementation.
*
* @param {string} languageTag Well-formed language tag
* @return {string}
*/
bcp47: function ( languageTag ) {
- var bcp47Map,
- formatted,
- segments,
+ var formatted,
isFirstSegment = true,
- isPrivate = false;
+ isPrivate = false,
+ segments = languageTag.split( '-' );
- languageTag = languageTag.toLowerCase();
-
- bcp47Map = mw.language.getData( mw.config.get( 'wgUserLanguage' ), 'bcp47Map' );
- if ( bcp47Map && Object.prototype.hasOwnProperty.call( bcp47Map, languageTag ) ) {
- languageTag = bcp47Map[ languageTag ];
- }
-
- segments = languageTag.split( '-' );
formatted = segments.map( function ( segment ) {
var newSegment;