Alejandro Veras
33 lines
1.5 KiB
TypeScript
33 lines
1.5 KiB
TypeScript
// Locale settings shared by the proxy, server components and client components.
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export const locales = ["en", "es", "ar"] as const;
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export type Locale = (typeof locales)[number];
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/** English is served from the root (`/about`); the others carry a prefix (`/es/about`). */
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export const defaultLocale: Locale = "en";
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export const localeNames: Record<Locale, string> = { en: "English", es: "Español", ar: "العربية" };
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export const localeShort: Record<Locale, string> = { en: "EN", es: "ES", ar: "AR" };
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/** Open Graph locale tags. */
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export const ogLocale: Record<Locale, string> = { en: "en_US", es: "es_ES", ar: "ar_AE" };
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export const isLocale = (value: string | undefined): value is Locale =>
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(locales as readonly string[]).includes(value ?? "");
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export const dirOf = (locale: Locale) => (locale === "ar" ? "rtl" : "ltr");
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/** Prefix an internal path with the locale. Hashes and external URLs pass through untouched. */
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export function localize(path: string, locale: Locale): string {
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if (locale === defaultLocale || !path.startsWith("/")) return path;
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return path === "/" ? `/${locale}` : `/${locale}${path}`;
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}
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/** Split a browser pathname into its locale and the locale-free path. */
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export function splitLocale(pathname: string): { locale: Locale; path: string } {
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const first = pathname.split("/")[1];
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if (isLocale(first)) {
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return { locale: first, path: pathname.slice(first.length + 1) || "/" };
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}
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return { locale: defaultLocale, path: pathname };
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}
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