Ok, the package.json I pasted here is from another project with this configuration ,which i forgot to mention,
Ionic Framework Version: 3.9.2
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
Ionic App Scripts Version: 3.1.8
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 8.1
Node Version: v6.10.0
and Typescript 2.4.2