better-auth/docs/next.config.mjs

import createMDX from 'fumadocs-mdx/config';
import { rehypeCodeDefaultOptions } from "fumadocs-core/mdx-plugins";
import { remarkInstall } from "fumadocs-docgen";
import { transformerTwoslash } from "fumadocs-twoslash"
import { ModuleResolutionKind } from 'typescript';
const withMDX = createMDX({
  mdxOptions: {
    rehypeCodeOptions: {
      transformers: [
        ...rehypeCodeDefaultOptions.transformers,
        transformerTwoslash({
          twoslashOptions: {
            compilerOptions: {
              moduleResolution: ModuleResolutionKind.Bundler
            }
          }
        }),
      ],
    },
    remarkPlugins: [
      [
        remarkInstall,
        {
          persist: {
            id: "persist-install",
          },
        },
      ],
    ],
  },
});

/** @type {import('next').NextConfig} */
const config = {
  reactStrictMode: true,
  redirects() {
    return [
      {
        source: "/docs",
        destination: "/docs/introduction",
        permanent: true,
      },
    ];
  },
};

export default withMDX(config);