Install NativeScript Extension for Visual Studio Code
The purpose of this section is to guide you to install the NativeScript Extension for Visual Studio Code.
Installation of an extension for Visual Studio Code takes place inside Visual Studio.
Open Visual Studio Code and click the Extension button at the bottom left:
In the search box type nativescript and click on the first one that comes up:
Visual Studio will show you all the details about this extension.
Click on the Install button.
References
https://www.nativescript.org/nativescript-for-visual-studio-code