Build fails with nativescript-dev-webpack@rc

[endarova]

Environment package_json.txt

Describe the bug After updating to nativescript-dev-webpack@rc the app cannot build anymore.

To Reproduce

1. npm i -g @angular/cli
2. npm i -g @nativescript/schematics
3. ng new --collection=@nativescript/schematics TestApp --shared
4. tns run iOS the app runs on device
5. npm i nativescript-dev-webpack@rc --save-dev
6. node_modules/.bin/update-ns-webpack --deps --configs
7. tns run iOS the app build exits with error: Log: log.txt

[endarova]

related to #260