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fix(i18n): normalize html language tags in client detection

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Co-authored-by: stigi <13815+stigi@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-05-25 13:24:11 +00:00 • committed by GitHub
parent aa3afeeaec
commit e2460374de
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16
packages/i18n/src/client.test.ts Normal file
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@ -0,0 +1,16 @@
/**
* @vitest-environment jsdom
*/
import { describe, expect, it } from "vitest";
import { i18n, initI18nClient } from "./index.ts";
describe("initI18nClient", () => {
it("normalizes regional html lang tags to supported languages", () => {
document.documentElement.lang = "de-DE";
initI18nClient();
expect(i18n.language).toBe("de");
expect(i18n.t("journal:nav.login")).toBe("Anmelden");
});
});

1
packages/i18n/src/index.ts
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@ -64,6 +64,7 @@ export function initI18nClient() {
...commonOptions,
detection: {
order: ["htmlTag", "navigator"],
convertDetectedLanguage: (lng: string) => matchSupportedLng(lng),
caches: [],
},
});