tsconfig.json

  {
    "compilerOptions": {
      "target": "es2018", 
      "module": "commonjs", 
      "lib": [
        "esnext"
      ], 
      "outDir": "./dist",
      "allowJs": false, 
      "declaration": true, 
      "sourceMap": true,
      "removeComments": true, 
      "strict": true, 
      "noImplicitAny": false, 
      "strictNullChecks": true, 
      "strictFunctionTypes": true, 
      "strictPropertyInitialization": false, 
      "noImplicitThis": true, 
      "alwaysStrict": true, 
      "noUnusedLocals": true, 
      "noUnusedParameters": true, 
      "noImplicitReturns": true, 
      "moduleResolution": "node", 
      "allowSyntheticDefaultImports": true, 
      "esModuleInterop": true, 
      "experimentalDecorators": true, 
      "skipLibCheck": true,
      "preserveSymlinks": true
    },
    "include": [
      "src"
    ],
    "exclude": [
      "node_modules"
    ]
  }