next.config.mjs

import path from "path";

/** @type {import('next').NextConfig} */
const nextConfig = {
  sassOptions: {
    includePaths: [path.join(path.resolve(), "src/styles")],
  },
  async headers() {
    return [
      {
        source: "/(.*)",
        headers: securityHeaders,
      },
    ];
  },
};

const ContentSecurityPolicy = `
  default-src 'self';
  script-src 'self' 'unsafe-eval' 'unsafe-inline' cdn.usefathom.com va.vercel-scripts.com https://www.googletagmanager.com;
  style-src 'self' 'unsafe-inline' fonts.googleapis.com;
  img-src * blob: data:;
  media-src 'none';
  connect-src *;
  font-src 'self' data: fonts.gstatic.com;
  frame-src 'self' https://giscus.app;
  object-src 'self';
`;

const securityHeaders = [
  {
    key: "Content-Security-Policy",
    value: ContentSecurityPolicy.replace(/\n/g, ""),
  },
  {
    key: "Referrer-Policy",
    value: "origin-when-cross-origin",
  },
  {
    key: "X-Frame-Options",
    value: "DENY",
  },
  {
    key: "X-Content-Type-Options",
    value: "nosniff",
  },
  {
    key: "X-DNS-Prefetch-Control",
    value: "on",
  },
  {
    key: "Strict-Transport-Security",
    value: "max-age=31536000; includeSubDomains; preload",
  },
  {
    key: "Permissions-Policy",
    value: "camera=(), microphone=(), geolocation=()",
  },
];

export default nextConfig;