os-locale
Version:
Get the system locale
10 lines (7 loc) • 352 B
JavaScript
export default function osLocale(env = globalThis.process?.env ?? {}) { // eslint-disable-line n/prefer-global/process
const locale = env.LC_ALL || env.LC_MESSAGES || env.LANG || env.LANGUAGE;
if (locale) {
return locale.replace(/[.:].*/, '').replace(/@.*/, '').replace(/_/, '-');
}
return new Intl.DateTimeFormat().resolvedOptions().locale;
}