expo-module-scripts/tsconfig.base.json

A private package for various tasks for Expo module packages like compiling and testing

{
  "compilerOptions": {
    // Typings
    "lib": ["dom", "DOM.Iterable", "esnext"],
    "types": ["jest", "jest-require"],
    "typeRoots": [
      "./ts-declarations",
      "./node_modules/@types",
      "../../node_modules/@types",
    ],

    // Target and resolution options
    "jsx": "react-native",
    "target": "esnext",
    "moduleResolution": "bundler",
    "module": "esnext",
    "moduleDetection": "force",
    "esModuleInterop": true,

    // Output options
    "sourceMap": true,
    "declaration": true,
    "declarationMap": true,
    "inlineSources": true,

    "skipLibCheck": true,

    // Strictness flags
    "strict": true,
    "noFallthroughCasesInSwitch": true,
    // TODO: Enable in the future
    "noPropertyAccessFromIndexSignature": false,
    "noImplicitReturns": true,

    // Best practice warnings
    "noUnusedLocals": true,
    // TODO: Enable in the future
    "noUnusedParameters": false,
  }
}