next.config.mjs

import remarkGfm from 'remark-gfm';
import createMDX from '@next/mdx';

/** @type {import('next').NextConfig} */
const withMDX = createMDX({
  extension: /\.mdx?$/,
  options: {
    // If you use remark-gfm, you'll need to use next.config.mjs
    // as the package is ESM only
    // https://github.com/remarkjs/remark-gfm#install
    remarkPlugins: [remarkGfm],
    rehypePlugins: [],
    // If you use `MDXProvider`, uncomment the following line.
    // providerImportSource: '@mdx-js/react',
  },
});
const nextConfig = {
  reactStrictMode: true,
  pageExtensions: ['ts', 'tsx', 'js', 'jsx', 'md', 'mdx'],
  webpack(config) {
    // Grab the existing rule that handles SVG imports
    const fileLoaderRule = config.module.rules.find((rule) =>
      rule.test?.test?.('.svg')
    );

    config.module.rules.push(
      // Reapply the existing rule, but only for svg imports ending in ?url
      {
        ...fileLoaderRule,
        test: /\.svg$/i,
        resourceQuery: /url/, // *.svg?url
      },
      // Convert all other *.svg imports to React components
      {
        test: /\.svg$/i,
        issuer: /\.[jt]sx?$/,
        resourceQuery: { not: /url/ }, // exclude if *.svg?url
        use: ['@svgr/webpack'],
      }
    );

    // Modify the file loader rule to ignore *.svg, since we have it handled now.
    fileLoaderRule.exclude = /\.svg$/i;

    return config;
  },
};

export default withMDX(nextConfig);