tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "allowJs": true,
    "importHelpers": true,
    "jsx": "react",
    "jsxFactory": "h",
    "jsxFragmentFactory": "Fragment",
    "alwaysStrict": true,
    "sourceMap": true,
    "forceConsistentCasingInFileNames": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitAny": false,
    "noImplicitThis": false,
    "strictNullChecks": false,
    "declaration": true,
    "baseUrl": "./",
    "paths": {
      "react": ["./node_modules/preact/compat/"],
      "react-dom": ["./node_modules/preact/compat/"]
    },
  },
  
  "include": [
    "index.ts",
    "src/**/*",
    "tests/jest/**/*"
  ]
}