tsconfig.json

{
  "extends": "astro/tsconfigs/strict",
  "compilerOptions": {
    "strictNullChecks": true,
    // Enable top-level await, and other modern ESM features.
    "target": "ESNext",
    "module": "ESNext",
    // Enable bundler-style module resolution for modern package exports
    "moduleResolution": "bundler",
    // Enable JSON imports.
    "resolveJsonModule": true,
    // Enable stricter transpilation for better output.
    "isolatedModules": true,
    // Astro will directly run your TypeScript code, no transpilation needed.
    "noEmit": true,
    "baseUrl": ".",
    "paths": {
      "@/*": ["src/*"]
    }
  },
  "include": [
    ".astro/types.d.ts",
    "src/**/*",
    "scripts/**/*",
    "astro.config.mjs"
  ],
  "exclude": ["node_modules", "dist", "packages"]
}