INNER CODE UNIT · TypeScript

getLanguage

vsdudakov/fastadmin · frontend/src/locales/index.ts:53

export const getLanguage = (configured?: string | null): TLanguage => {
  const candidates = [
    configured,
    ...(typeof navigator !== "undefined"
      ? [navigator.language, ...(navigator.languages || [])]
      : []),
  ];
  for (const candidate of candidates) {
    if (!candidate) {
      continue;
    }
    const base = candidate.toLowerCase().split(/[-_]/)[0];
    if (base in resources) {
      return base as TLanguage;
    }
  }
  return "en";
};

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