message: Ensure only necessary files are included in tsconfig
diff: "module": "esnext",
  "types": []
  },
  - "exclude": [
  - "src/test.ts",
  - "**/*.spec.ts"
  + "files": [
  + "main.ts",
  + "polyfills.ts"
  + ],
  + "include": [
  + "**/*.d.ts"
  ]
  }
  