middleware.ts

import { withAuth } from 'next-auth/middleware';
import createMiddleware from 'next-intl/middleware';
import { NextRequest } from 'next/server';

const locales = ['en', 'pl'];
const publicPages = ['/', '/blog', '/sign-in', '/sign-up','/publish'];

const intlMiddleware = createMiddleware({
    localeDetection: false,
    locales,
    defaultLocale: 'en',
});

const authMiddleware = withAuth(
    function onSuccess(req) {
        return intlMiddleware(req);
    },
    {
        callbacks: {
            authorized: ({ token }) => token != null,
        },
        pages: {
            signIn: '/sign-in',
        },
    }
);

export default function middleware(req: NextRequest) {
    const publicPathnameRegex = RegExp(
        `^(/(${locales.join('|')}))?(${publicPages.join('|')}|/blog/.+|/publish/.+)?/?$`,
        'i'
    )
    const isPublicPage = publicPathnameRegex.test(req.nextUrl.pathname);

    if (isPublicPage) {
        return intlMiddleware(req);
    } else {
        return (authMiddleware as any)(req);
    }
}

export const config = {
    matcher: ['/((?!api|_next/static|_next/image|images|favicon.ico|robots.txt|sitemap.xml|publish|.*\\.(?:svg|png|jpg|jpeg|pdf|gif|webp)$).*)'],
  }