fix: chinese browser locales recognition (#29622)

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Daniel Dietzler 2026-07-06 16:42:47 +02:00 committed by GitHub
parent 4f5e0d3505
commit 4e25db2989
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2 changed files with 20 additions and 1 deletions

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@ -58,5 +58,14 @@ describe('i18n', () => {
expect(getClosestAvailableLocale(['sr_Cyrl'], allLocales)).toBe('sr_Cyrl');
expect(getClosestAvailableLocale(['zh_Hant'], allLocales)).toBe('zh_Hant');
});
it('should handle language aliases', () => {
const allLocales = ['zh-Hans', 'zh-Hant'];
expect(getClosestAvailableLocale(['zh-CN'], allLocales)).toBe('zh-Hans');
expect(getClosestAvailableLocale(['zh-HK'], allLocales)).toBe('zh-Hant');
expect(getClosestAvailableLocale(['zh-MO'], allLocales)).toBe('zh-Hant');
expect(getClosestAvailableLocale(['zh-SG'], allLocales)).toBe('zh-Hans');
expect(getClosestAvailableLocale(['zh-TW'], allLocales)).toBe('zh-Hant');
});
});
});

View file

@ -13,6 +13,14 @@ export const getFormatter = async () => {
return get(t);
};
const aliases: Record<string, string> = {
'zh-CN': 'zh-Hans',
'zh-HK': 'zh-Hant',
'zh-MO': 'zh-Hant',
'zh-SG': 'zh-Hans',
'zh-TW': 'zh-Hant',
};
const modules = import.meta.glob('$i18n/*.json');
const fileCodes = Object.keys(modules)
@ -33,7 +41,9 @@ const getSubLocales = (locale: string) => {
export const getClosestAvailableLocale = (locales: readonly string[], allLocales: readonly string[]) => {
const allLocalesSet = new Set(allLocales.map((locale) => convertBCP47(locale)));
return locales.find((locale) => getSubLocales(locale).some((subLocale) => allLocalesSet.has(subLocale)));
return locales
.map((locale) => aliases[locale] ?? locale)
.find((locale) => getSubLocales(locale).some((subLocale) => allLocalesSet.has(subLocale)));
};
export const getPreferredLocale = () => getClosestAvailableLocale(navigator.languages, langCodes);