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Learning TypeScript 2.x - Second Edition
book

Learning TypeScript 2.x - Second Edition

by Remo H. Jansen
April 2018
Beginner content levelBeginner
536 pages
13h 21m
English
Packt Publishing
Content preview from Learning TypeScript 2.x - Second Edition

Namespaces

Namespaces, also known as internal modules, are used to encapsulate features and objects that share a certain relationship. Namespaces will help you to organize your code. To declare a namespace in TypeScript, you will use the namespace and export keywords:

In older versions of TypeScript, the keyword to define an internal module was module instead of namespace.
namespace geometry { interface VectorInterface { /* ... */ } export interface Vector2DInterface { /* ... */ } export interface Vector3DInterface { /* ... */ } export class Vector2D implements VectorInterface, Vector2dInterface { /* ... */ } export class Vector3D implements VectorInterface, Vector3DInterface { /* ... */ } } let vector2DInstance: geometry.Vector2DInterface ...
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Publisher Resources

ISBN: 9781788391474Supplemental Content