tsconfig.json

{
  "compilerOptions": {
    "target": "ES6" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
    "module": "commonjs" /* Specify what module code is generated. */,
    "rootDir": "./src" /* Specify the root folder within your source files. */,
    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
    "baseUrl": "types" /* Specify the base directory to resolve non-relative module names. */,
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "outDir": "./dist" /* Specify an output folder for all emitted files. */,
    "removeComments": true /* Disable emitting comments. */,
    "declarationDir": "./typedefs" /* Specify the output directory for generated declaration files. */,
    "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. */
  },
  "include": ["./src/**/*"],
  "exclude": ["node_modules"]
}