tsconfig.json

{
    "compilerOptions": {
      "outDir": "./dist",
      "rootDir": "./src",
      "target": "ES2015" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
      "module": "commonjs" /* Specify what module code is generated. */,
      "resolveJsonModule": true,
      "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 checkng all .d.ts files. */,
      "allowJs": true,
      "sourceMap": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules"]
}