tsconfig.json

{
  "compilerOptions": {
    // ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'
    "target": "esnext",
    // Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'
    "module": "commonjs",
    "lib": ["es5", "es6", "esnext.asynciterable"],
    // Allow javascript files to be compiled
    "allowJs": true,
    // Report errors in .js files
    // "checkJs": true,
    // JSX code generation: 'preserve', 'react-native', or 'react'
    "jsx": "react",
    // Generates corresponding '.d.ts' file
    "declaration": true,
    // Generates corresponding '.map' file
    // "sourceMap": true,
    // Concatenate and emit output to single file
    // "outFile": "./",
    // Redirect output structure to the directory
    "outDir": "./dist",
    // Specify the root directory of input files. Use to control the output directory structure with --outDir
    // "rootDir": "./",
    // Do not emit comments to output
    // "removeComments": true,
    // Do not emit outputs
    "noEmit": false,
    // Enable incremental compilation
    "incremental": true,
    // Import emit helpers from 'tslib'
    // "importHelpers": true,
    // Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'
    // "downlevelIteration": true,
    // Transpile each file as a separate module (similar to 'ts.transpileModule')
    "isolatedModules": true,
    "resolveJsonModule": true,

    // STRICT TYPING
    // Enable all strict type-checking options
    "strict": true,
    // Raise error on expressions and declarations with an implied 'any' type
    // "noImplicitAny": true,
    // Enable strict null checks
    // "strictNullChecks": true,
    // Enable strict checking of function types
    "strictFunctionTypes": true,
    // Enable strict checking of property initialization in classes
    // "strictPropertyInitialization": true,
    // Raise error on 'this' expressions with an implied 'any' type
    // "noImplicitThis": true,
    // Parse in strict mode and emit "use strict" for each source file
    // "alwaysStrict": true,

    // ADDITIONAL CHECKS
    // Report errors on unused locals
    // "noUnusedLocals": true,
    // Report errors on unused parameters
    // "noUnusedParameters": true,
    // Report error when not all code paths in function return a value
    // "noImplicitReturns": true,
    // Report errors for fallthrough cases in switch statement
    // "noFallthroughCasesInSwitch": true,

    // MODULE RESOLUTION OPTIONS
    // Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)
    "moduleResolution": "node",
    // Base directory to resolve non-absolute module names
    "baseUrl": "./",
    // A series of entries which re-map imports to lookup locations relative to the 'baseUrl'
    // "paths": {},
    // List of root folders whose combined content represents the structure of the project at runtime
    // "rootDirs": [],
    // List of folders to include type definitions from
    "typeRoots": [

    ],
    // Type declaration files to be included in compilation
    "types": [
      "react",
      "react-native",
    ],
    // Allow default imports from modules with no default export. This does not affect code emit, just typechecking
    "allowSyntheticDefaultImports": true,
    // Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'
    "esModuleInterop": true
    // Do not resolve the real path of symlinks
    // "preserveSymlinks": true,

    // SOURCE MAP
    // Specify the location where debugger should locate TypeScript files instead of source locations
    // "sourceRoot": "./",
    // Specify the location where debugger should locate map files instead of generated locations.
    // "mapRoot": "./",
    // Emit a single file with source maps instead of having a separate file
    // "inlineSourceMap": true,
    // Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set
    // "inlineSources": true,

    /* Experimental Options */
    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
  },
  "include": [
    "src/"
  ],
  "exclude": [
    "**/__tests__/*",
    "node_modules",
    "babel.config.js",
    "metro.config.js",
    "jest.config.js"
  ]
}