Function withGuidebooks

next.config.js:8–17

(nextConfig)

const { locales, defaultLocale } = pkg.guidebook.i18n

const withGuidebooks = (nextConfig) =>
  locales.reduce(
    (nextConfig, locale) =>
      generateGuidebook({
        guidebookDirectory:
          locale === defaultLocale ? './pages' : `./pages/${locale}`,
        guidebookModulePath: `./guidebook-${locale}.js`,
      })(nextConfig),
    nextConfig
  )

const withMDX = require('next-mdx-frontmatter')({
  extension: /\.mdx?$/,