fact-box-editor/aurelia_project/tasks/run.json

{
  "name": "run",
  "description": "Builds the application and serves up the assets via a local web server, watching files for changes as you work.",
  "flags": [
    {
      "name": "env",
      "description": "Sets the build environment.",
      "type": "string"
    },
    {
      "name": "watch",
      "description": "Watches source files for changes and refreshes the app automatically.",
      "type": "boolean"
    }
  ]
}