tsconfig.json

{
    "compilerOptions": {
      "lib": ["ESNext"],
      "module": "CommonJS",
      "moduleResolution": "node",
      "target": "ESNext",
      "outDir": "./lib",
      "rootDir": "./src",
      
      "sourceMap": true,
      "esModuleInterop": true,
      "experimentalDecorators": true,
      "emitDecoratorMetadata": true,
      "allowSyntheticDefaultImports": true,
      "skipLibCheck": true,
      "skipDefaultLibCheck": true,
      "resolveJsonModule": true,
      "importHelpers": true,
      "inlineSourceMap": false,
      "forceConsistentCasingInFileNames": true,
      "declaration": true,
      // "declarationDir": "./lib/typings",
      "typeRoots": [ "./node_modules/@types"]
    },
    "ts-node": {
      "esm": true,
      "experimentalSpecifierResolution": "node",
    },
    "include": ["src/**/*"],
    "exclude": ["node_modules","**/__test__/*"]
  }