angular-cn/aio/content/examples/docs-style-guide/package.1.json

{
  "scripts": {
    "start": "concurrently \"npm run build:watch\" \"npm run serve\"",
    "test": "concurrently \"npm run build:watch\" \"karma start karma.conf.js\"",
    "lint": "tslint ./src/**/*.ts -t verbose"
  }
}