rosen-vladimirov / ns-hello-world-ts-self-dependencies

Sample project for NativeScript TypeScript support in AppBuilder with own .d.ts files

ns-hello-world-ts-self-dependencies

Sample project for NativeScript TypeScript support in AppBuilder with own .d.ts files

Usage in AppBuilder

When the project is opened in AppBuilder, it should be automaticall migrated - typings/tns-core-modules directory must be removed.

• If you try to build and deploy the project directly, it will fail at runtime, as it has .d.ts file for underscore module, but the underscore itself is not declared as dependency.
• After adding underscore module, you will receive two entries in package.json - one in dependency section (underscore) and one in devDependencies (@types/underscore). Trying to transpile the project with such package.json should fail as the .d.ts file in @types/underscore is not correct.
• In order to transpile the project, remove the entry in devDependencies (@types/underscore) and try build and deploy again.

Whenever you TAP the button, a new message will be generated and a new item will be added to the Repeater control in the main page.

TypeScript in the project

This project contains its own definition of the underscore module. This allows you to use the syntax:

import * as _ from "underscore";

Also you'll find some very simple interfaces declared in the app/definitions/animals.d.ts file. One of them (ICat) is used in app/animals/cat.ts file, where the class Cat implements the interface. The idea is that when the users have their own classes, they'll probably use the same way of declaring interfaces in a separate .d.ts files and use them later when implementing a class.