tsconfig.json

{
  "compilerOptions": {
    "target": "ES2015" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "module": "commonjs" /* Specify what module code is generated. */,
    "outDir": "./bin" /* Specify an output folder for all emitted files. */,
    "moduleResolution": "Node" /* Specify how TypeScript looks up a file from a given module specifier. */,
    "lib": ["ES2015"], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
    "strict": true /* Enable all strict type-checking options. */,
    "skipLibCheck": true, /* Skip type checking all .d.ts files. */
    "declaration": true, /* Generates corresponding '.d.ts' file. */
    "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
    "sourceMap": true, /* Generates corresponding '.map' file. */
    "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
  },
  "exclude": ["node_modules", "bin", "test", "coverage", "dist"]
}