next.config.mjs

import createMDX from "@next/mdx";

const isProduction = process.env.NEXT_PUBLIC_NODE_ENV === "production";

/** @type {import('next').NextConfig} */
const nextConfig = {
  output: isProduction ? "export" : "standalone",
  basePath: isProduction ? "/darkchain" : "",
  assetPrefix: isProduction ? "/darkchain" : "",
  trailingSlash: true,
  images: {
    unoptimized: true,
  },
  reactStrictMode: true,
  swcMinify: true,
  // Configure `pageExtensions` to include markdown and MDX files
  pageExtensions: ["js", "jsx", "md", "mdx", "ts", "tsx"],
  // Optionally, add any other Next.js config below

  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: fileLoaderRule.issuer,
        resourceQuery: { not: [...fileLoaderRule.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;
  },
};

const withMDX = createMDX({
  extension: /\.(md|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: [],
    rehypePlugins: [],
    // If you use `MDXProvider`, uncomment the following line.
    // providerImportSource: "@mdx-js/react",
    providerImportSource: "@mdx-js/react",
  },
});

// Merge MDX config with Next.js config
export default withMDX(nextConfig);