first

apps/web/modules/i18n/lib/locale-cookie.ts

@@ -0,0 +1,14 @@
+import "server-only";
+
+import { config } from "@repo/config";
+import type { Locale } from "@repo/i18n";
+import { cookies } from "next/headers";
+
+export async function getUserLocale() {
+	const cookie = (await cookies()).get(config.i18n.localeCookieName);
+	return cookie?.value ?? config.i18n.defaultLocale;
+}
+
+export async function setLocaleCookie(locale: Locale) {
+	(await cookies()).set(config.i18n.localeCookieName, locale);
+}

apps/web/modules/i18n/lib/update-locale.ts

@@ -0,0 +1,10 @@
+"use server";
+
+import { setLocaleCookie } from "@i18n/lib/locale-cookie";
+import type { Locale } from "@repo/i18n";
+import { revalidatePath } from "next/cache";
+
+export async function updateLocale(locale: Locale) {
+	await setLocaleCookie(locale);
+	revalidatePath("/");
+}

apps/web/modules/i18n/request.ts

@@ -0,0 +1,22 @@
+import { getUserLocale } from "@i18n/lib/locale-cookie";
+import { routing } from "@i18n/routing";
+import { config } from "@repo/config";
+import { getMessagesForLocale } from "@repo/i18n";
+import { getRequestConfig } from "next-intl/server";
+
+export default getRequestConfig(async ({ requestLocale }) => {
+	let locale = await requestLocale;
+
+	if (!locale) {
+		locale = await getUserLocale();
+	}
+
+	if (!(routing.locales.includes(locale) && config.i18n.enabled)) {
+		locale = routing.defaultLocale;
+	}
+
+	return {
+		locale,
+		messages: await getMessagesForLocale(locale),
+	};
+});

apps/web/modules/i18n/routing.ts

@@ -0,0 +1,20 @@
+import { config } from "@repo/config";
+import { createNavigation } from "next-intl/navigation";
+import { defineRouting } from "next-intl/routing";
+
+export const routing = defineRouting({
+	locales: Object.keys(config.i18n.locales),
+	defaultLocale: config.i18n.defaultLocale,
+	localeCookie: {
+		name: config.i18n.localeCookieName,
+	},
+	localePrefix: config.i18n.enabled ? "always" : "never",
+	localeDetection: config.i18n.enabled,
+});
+
+export const {
+	Link: LocaleLink,
+	redirect: localeRedirect,
+	usePathname: useLocalePathname,
+	useRouter: useLocaleRouter,
+} = createNavigation(routing);