Thank you for your interest in UI for NativeScript.
At that point, NativeScript UI has two sample project one based on NativeScript TypeScript template and another on NativeScript Angular 2.
In this regard, you could clone the TypeScrippt sample project
and build it on your side. the TypeScript files will be transpiled
1. git clone https://github.com/telerik/nativescript-ui-samples
2. cd nativescript-ui-samples/sdk
3. tns run <platform_name>
Hope this helps.
Telerik by Progress