pageExtensions
Source URL: https://nextjs.org/docs/app/api-reference/config/next-config-js/pageExtensions
pageExtensions
Section titled “pageExtensions”By default, Next.js accepts files with the following extensions: .tsx, .ts, .jsx, .js. This can be modified to allow other extensions like markdown (.md, .mdx).
const withMDX = require('@next/mdx')()
/** @type {import('next').NextConfig} */const nextConfig = { pageExtensions: ['js', 'jsx', 'ts', 'tsx', 'md', 'mdx'],}
module.exports = withMDX(nextConfig)