next.config.ts

import type { NextConfig } from "next";

const isDev = process.env.NODE_ENV === "development";

const cspDirectives = [
  "default-src 'self'",
  isDev
    ? "script-src 'self' 'unsafe-eval' 'unsafe-inline'"
    : "script-src 'self' 'unsafe-inline'",
  "style-src 'self' 'unsafe-inline'",
  "img-src 'self' data: https:",
  "font-src 'self'",
  "connect-src 'self' https://registry.npmjs.org https://api.npmjs.org",
  "frame-ancestors 'none'",
  "base-uri 'self'",
  "form-action 'self'",
].join("; ");

const nextConfig: NextConfig = {
  turbopack: {
    root: __dirname,
  },
  async headers() {
    return [
      {
        source: "/(.*)",
        headers: [
          { key: "X-Frame-Options", value: "DENY" },
          { key: "X-Content-Type-Options", value: "nosniff" },
          { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
          {
            key: "Permissions-Policy",
            value: "camera=(), microphone=(), geolocation=()",
          },
          { key: "Content-Security-Policy", value: cspDirectives },
        ],
      },
    ];
  },
};

export default nextConfig;