tsconfig.json

{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "sourceMap": true,
    /* Generates corresponding '.map' file. */
    "noEmit": true,
    /* Do not emit compiler output files like JavaScript source code, source-maps or declarations. */
    "skipLibCheck": false,
    /* Skip type checking of declaration files. */
    "resolveJsonModule": true,
    /* Allow importing modules with a ‘.json’ extension? */
    "target": "ESNext",
    /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "jsx": "react-native",
    /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
    "types": [
      /* Type declaration files to be included in compilation. */
      "react-native"
    ],
    "lib": [
      /* which versions of type defs for built-in JavaScript libraries to use */
      "dom",
      "esnext"
    ],
    "module": "esNext",
    /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "moduleResolution": "node",
    /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "experimentalDecorators": true,
    /* Enables experimental support for ES7 decorators. */
    "declaration": false,
    /* Generates corresponding '.d.ts' file. */
    "removeComments": true,
    /* Whether to emit comments from output. */
    "noFallthroughCasesInSwitch": true,
    /* Ensure that the sub-classes never go out of sync, by ensuring that functions which override include the keyword override. */
    "noImplicitReturns": true,
    /* Report error when not all code paths in function return a value. */
    "noPropertyAccessFromIndexSignature": true,
    /* This setting ensures consistency between accessing a field via the “dot” (obj.key) syntax, and “indexed” (obj["key"]) and the way which the property is declared in the type. */
    "noUncheckedIndexedAccess": true,
    /* Turning on noUncheckedIndexedAccess will add undefined to any un-declared field in the type. */
    "noUnusedLocals": true,
    /* Report errors on unused local variables. */
    "noUnusedParameters": true,
    /* Report errors on unused parameters in functions. */
    "strict": true,
    /* Enable all strict type-checking options. */
    "outDir": "dist",
    /* Redirect output structure to the directory. */
    "baseUrl": "src",
    /* Base directory to resolve non-absolute module names. */
    "typeRoots": [
      /* List of folders from which to include type definitions. */
      "./types",
      "node_modules/@types"
    ],
    "allowJs": true
    /* Allow javascript files to be compiled. */
  },
  "exclude": [
    /* Filenames or patterns that should be skipped when resolving include. */
    "dist",
    "node_modules"
  ]
}