Code Generation for Modules Depending on the module target specified during compilation, the compiler will generate appropriate code for Node

Contextual Type Type inference also works in “the other direction” in some cases in TypeScript. This is known as “contextual typing”. Contextual

Install typings for dependencies Angular 2 includes es6-shim for Promise support, but TypeScript still needs the types. Open a command prompt

jspm

Write a simple Angular app in TypeScript First, change the code in app.ts to:

Global Libraries A global library is one that can be accessed from the global scope (i.e. without using any form of import)

Any We may need to describe the type of variables that we do not know when we are writing an application. These values may come from dynamic

Advanced Combinations Some kinds of declarations can be combined across multiple declarations. For example, class C { } and interface

Putting it all together Just run: tsc Now

Ambient enums Ambient enums are used to describe the shape of already existing enum types.