tsconfig.prod.json

{
    "compilerOptions": {
      "target": "es5",
      "lib": [
        "es6",
        "dom",
        "es2016",
        "es2017"
        ],
      "outDir": "dist",
      "jsx": "react-jsx",
      "module": "commonjs",
      "declaration": true,
      "declarationMap": true,
      "sourceMap": true,
      "strict": true,
      "noImplicitAny": false,
      "strictNullChecks": true,
      "strictFunctionTypes": true,
      "strictPropertyInitialization": true,
      "noImplicitThis": true,
      "alwaysStrict": true,
      "noUnusedLocals": true,
      "noUnusedParameters": true,
      "noImplicitReturns": true,
      "noFallthroughCasesInSwitch": true,
      "moduleResolution": "node",
      "resolveJsonModule": true,
      "esModuleInterop": true,
      "allowSyntheticDefaultImports": true,
      "forceConsistentCasingInFileNames": true,
      "skipLibCheck": true,
    },
    "include": [
      "./src/package/enhance-url"
    ],
    "files": ["./src/package/enhance-url/index.tsx"],
    "exclude": [
      "node_modules",
    ]
  }