23 lines
799 B
TypeScript
23 lines
799 B
TypeScript
import parser from "accept-language-parser";
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import type { GetServerSidePropsContext, NextApiRequest } from "next";
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import { getServerSession } from "@calcom/features/auth/lib/getServerSession";
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type Maybe<T> = T | null | undefined;
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const { i18n } = require("@calcom/i18n/next-i18next.config");
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export async function getLocaleFromRequest(
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req: NextApiRequest | GetServerSidePropsContext["req"]
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): Promise<string> {
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const session = await getServerSession({ req });
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if (session?.user?.locale) return session.user.locale;
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let preferredLocale: string | null | undefined;
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if (req.headers["accept-language"]) {
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preferredLocale = parser.pick(i18n.locales, req.headers["accept-language"], {
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loose: true,
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}) as Maybe<string>;
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}
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return preferredLocale ?? i18n.defaultLocale;
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}
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