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i18n/request.js

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+import { cookies, headers } from "next/headers";
+import { getRequestConfig } from "next-intl/server";
+import fs from "fs";
+import path from "path";
+
+export default getRequestConfig(async () => {
+  const cookieStore = await cookies();
+  
+  const dictionaryPath = path.join(process.cwd(), "dictionary");
+  const supportedLocales = fs.readdirSync(dictionaryPath)
+    .filter(file => file.endsWith(".json"))
+    .map(file => file.replace(".json", ""));
+
+  let locale = cookieStore.get("locale")?.value;
+  
+  if (!locale) {
+    const headersList = await headers();
+    const acceptLanguage = headersList.get("accept-language");
+    const browserLang = acceptLanguage?.split(",")[0]?.split("-")[0] || "en";
+    
+    locale = supportedLocales.includes(browserLang) ? browserLang : "en";
+  }
+  
+  if (!supportedLocales.includes(locale)) {
+    locale = "en";
+  }
+
+  return {
+    locale,
+    messages: (await import(`../dictionary/${locale}.json`)).default
+  };
+});