Map zh-cn,zh-tw to zh-hans,zh-hant Fixes #53275

src/vs/workbench/parts/localizations/electron-browser/localizations.contribution.ts

@@ -141,8 +141,9 @@ export class LocalizationWorkbenchContribution extends Disposable implements IWo
 					return;
 				}
 
-				const ceintlExtensionSearch = this.galleryService.query({ names: [`MS-CEINTL.vscode-language-pack-${locale}`], pageSize: 1 });
-				const tagSearch = this.galleryService.query({ text: `tag:lp-${locale}`, pageSize: 1 });
+				const currentLocale = this.getPossibleChineseMapping(locale);
+				const ceintlExtensionSearch = this.galleryService.query({ names: [`MS-CEINTL.vscode-language-pack-${currentLocale}`], pageSize: 1 });
+				const tagSearch = this.galleryService.query({ text: `tag:lp-${currentLocale}`, pageSize: 1 });
 
 				TPromise.join([ceintlExtensionSearch, tagSearch]).then(([ceintlResult, tagResult]) => {
 					if (ceintlResult.total === 0 && tagResult.total === 0) {
@@ -156,11 +157,11 @@ export class LocalizationWorkbenchContribution extends Disposable implements IWo
 						return;
 					}
 
-					TPromise.join([this.galleryService.getManifest(extensionToFetchTranslationsFrom), this.galleryService.getCoreTranslation(extensionToFetchTranslationsFrom, locale)])
+					TPromise.join([this.galleryService.getManifest(extensionToFetchTranslationsFrom), this.galleryService.getCoreTranslation(extensionToFetchTranslationsFrom, currentLocale)])
 						.then(([manifest, translation]) => {
-							const loc = manifest && manifest.contributes && manifest.contributes.localizations && manifest.contributes.localizations.filter(x => x.languageId.toLowerCase() === locale)[0];
-							const languageName = loc ? (loc.languageName || locale) : locale;
-							const languageDisplayName = loc ? (loc.localizedLanguageName || loc.languageName || locale) : locale;
+							const loc = manifest && manifest.contributes && manifest.contributes.localizations && manifest.contributes.localizations.filter(x => this.getPossibleChineseMapping(x.languageId) === currentLocale)[0];
+							const languageName = loc ? (loc.languageName || currentLocale) : currentLocale;
+							const languageDisplayName = loc ? (loc.localizedLanguageName || loc.languageName || currentLocale) : currentLocale;
 							const translationsFromPack = translation && translation.contents ? translation.contents['vs/platform/node/minimalTranslations'] : {};
 							const promptMessageKey = extensionToInstall ? 'installAndRestartMessage' : 'showLanguagePackExtensions';
 							const useEnglish = !translationsFromPack[promptMessageKey];
@@ -191,7 +192,7 @@ export class LocalizationWorkbenchContribution extends Disposable implements IWo
 									this.viewletService.openViewlet(EXTENSIONS_VIEWLET_ID, true)
 										.then(viewlet => viewlet as IExtensionsViewlet)
 										.then(viewlet => {
-											viewlet.search(`tag:lp-${locale}`);
+											viewlet.search(`tag:lp-${currentLocale}`);
 											viewlet.focus();
 										});
 								}
@@ -235,6 +236,11 @@ export class LocalizationWorkbenchContribution extends Disposable implements IWo
 
 	}
 
+	private getPossibleChineseMapping(locale: string): string {
+		locale = locale.toLowerCase();
+		return locale === 'zh-cn' ? 'zh-hans' : locale === 'zh-tw' ? 'zh-hant' : locale;
+	}
+
 	private getLanguagePackExtension(language: string): TPromise<IGalleryExtension> {
 		return this.localizationService.getLanguageIds(LanguageType.Core)
 			.then(coreLanguages => {