48 lines
1.3 KiB
TypeScript
48 lines
1.3 KiB
TypeScript
import { NextResponse } from 'next/server';
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import type { NextRequest } from 'next/server';
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const PUBLIC_FILE = /\.(.*)$/;
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const locales = ['en', 'fa'];
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const defaultLocale = 'en';
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export function middleware(request: NextRequest) {
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const { pathname } = request.nextUrl;
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// Ignore public files and API routes
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if (pathname.startsWith('/api') || PUBLIC_FILE.test(pathname)) {
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return NextResponse.next();
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}
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// Check if the pathname already includes a locale
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const matchedLocale = locales.find(
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(locale) => pathname.startsWith(`/${locale}/`) || pathname === `/${locale}`,
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);
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const cookieLocale = request.cookies.get('locale')?.value;
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const preferredLocale = locales.includes(cookieLocale || '')
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? cookieLocale!
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: defaultLocale;
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const locale = matchedLocale || preferredLocale;
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let response: NextResponse;
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// If locale is missing, redirect and set cookie
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const pathnameIsMissingLocale = !matchedLocale;
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if (pathnameIsMissingLocale) {
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response = NextResponse.redirect(
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new URL(`/${preferredLocale}${pathname}`, request.url),
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);
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} else {
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response = NextResponse.next();
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}
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// Set the locale cookie for all responses
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response.cookies.set('locale', locale, { path: '/' });
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return response;
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}
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export const config = {
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matcher: ['/((?!_next/static|_next/image|favicon.ico|api).*)'],
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};
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