astro/examples/framework-preact/tsconfig.json

{
  "extends": "astro/tsconfigs/strict",
  "include": [".astro/types.d.ts", "**/*"],
  "exclude": ["dist"],
  "compilerOptions": {
    // Preact specific settings
    "jsx": "react-jsx",
    "jsxImportSource": "preact"
  }
}