tsconfig.json

{
  "compilerOptions": {
    // Despite "allowJs": false being the default it gets added in packages/web/tsconfig.json
    // set as true if this isn't set
    "allowJs": false,
    "allowSyntheticDefaultImports": true,
    "baseUrl": "./",
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    // React Native works with "react" not only "react-native"
    // https://reactnative.dev/docs/typescript#adding-typescript-to-an-existing-project
    "jsx": "react",
    // Libs required by React Native and Node
    "lib": ["DOM", "ES2020"],
    "module": "CommonJS",
    // Required by React Native. Node uses "CommonJS" which is overridden in child config
    "moduleResolution": "Node",
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "paths": {
      "packages/*": ["packages/*"]
    },
    // Preserve the watch output so when concurrently is run with multiple "tsc --watch"
    // commands it doesn't continuously clear the screen
    "preserveWatchOutput": true,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "declaration": true,
    // Node ^12.9.0 tsconfig settings
    // https://stackoverflow.com/a/59787575/709040
    "target": "ES2019"
  },
  "exclude": ["**/build/"]
}