tsconfig.json

{
    "compilerOptions": {
        "forceConsistentCasingInFileNames": true,
        "noImplicitAny": true/* Raise error on expressions and declarations with an implied 'any' type. */,
        "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. */,
        "target": "es2015" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
        "jsx": "react" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
        "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 /* Do not emit comments to output. */,
        "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
        "noUnusedLocals": true /* Report errors on unused locals. */,
        "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. */,
        "strictNullChecks": true /* Enable strict null checks. */,
        "allowJs": true /* Allow javascript files to be compiled. */,
        "checkJs": false
    },
    "include": [
        "./lib/**/*"
    ]
}