joinmastodon/next.config.js

const { locales, defaultLocale } = require("./data/locales.js")

function notIfProduction(param) {
  if (process.env.NODE_ENV === "production") return ""
  else return param
}

/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  i18n: {
    locales: locales.map((l) => l.code),
    defaultLocale,
  },
  images: {
    remotePatterns: [
      { hostname: "proxy.joinmastodon.org" },
      { hostname: "c8.patreon.com" },
      { hostname: "c10.patreonusercontent.com" },
    ],
  },
  async headers() {
    // These static files are references with hardcoded URLs and need proper Cache-Control headers
    return [
      "/fonts/:all*(ttf|otf|woff|woff2)",
      "/favicon-:all*(png)",
      "/app-icon.png",
      "/preview.png",
    ]
      .map((source) => ({
        source,
        headers: [
          {
            key: "Cache-control",
            value: "max-age=3600, stale-while-revalidate",
          },
        ],
      }))
      .concat({
        source: "/(.*)?",
        headers: [
          {
            key: "X-Content-Type-Options",
            value: "nosniff",
          },
          {
            key: "Permissions-Policy",
            value:
              "camera=(), microphone=(), geolocation=(), browsing-topics=()",
          },
          {
            key: "Referrer-Policy",
            value: "origin-when-cross-origin",
          },
          {
            key: "Content-Security-Policy",
            value: `default-src 'self'; child-src 'none'; object-src 'none'; img-src 'self' proxy.joinmastodon.org blob: data:; style-src 'self' 'unsafe-inline'; script-src 'self' ${notIfProduction("'unsafe-inline' 'unsafe-eval'")}; connect-src 'self' api.joinmastodon.org; block-all-mixed-content`,
          },
        ],
      })
  },
  async redirects() {
    return [
      {
        source: "/communities",
        destination: "/servers",
        permanent: true,
      },

      {
        source: "/imprint",
        destination: "/about#impressum",
        permanent: true,
      },

      {
        source: "/impressum",
        destination: "/about#impressum",
        permanent: true,
      },
    ]
  },
  webpack(config, { isServer, isdev }) {
    // Grab the existing rule that handles SVG imports
    const fileLoaderRule = config.module.rules.find(
      (rule) => rule.test && rule.test.test?.(".svg")
    )

    config.module.rules.push({
      oneOf: [
        // warning: do not specify `issuer` key here, it is broken with dynamic require
        // see https://github.com/webpack/webpack/issues/9309
        //     https://github.com/vercel/next.js/discussions/15437
        {
          test: /\.svg$/i,
          resourceQuery: /inline/, // Only for *.svg?inline
          use: [{ loader: "@svgr/webpack", options: { svgo: false } }],
        },

        // we need to add this, as the previous rule disabled the default SVG loader
        {
          ...fileLoaderRule,
          test: /\.svg$/i,
          resourceQuery: { not: [/inline/] },
        },
      ],
    })

    // Modify the file loader rule to ignore *.svg, since we have it handled now.
    fileLoaderRule.exclude = /\.svg$/i
    return config
  },
  poweredByHeader: false,
  output: "standalone",
}

module.exports = nextConfig