Original npm-watch Configuration

package.json

{  
   "watch":{  
      "run_android":{  
         "patterns":[  
            "app"
         ],
         "extensions":"ts,html,scss",
         "quiet":true
      },
      "run_ios":{  
         "patterns":[  
            "app"
         ],
         "extensions":"ts,html,scss",
         "quiet":true
      }
   },
   "scripts":{  
      "watch_android":"npm-watch",
      "run_android":"tns run android --emulator",
      "run_ios":"tns run ios --emulator"
   }
}