Building Web Components with TypeScript and Angular 4 by Matthew Scarpino

Author:Matthew Scarpino [Scarpino, Matthew]
Language: eng
Format: azw3
Tags: Computer programming
Publisher: Quiller Technologies LLC
Published: 2017-06-10T04:00:00+00:00

The goal is to create an Injector capable of injecting the desired dependencies. When a suitable Injector is available, its get method can be called to inject the dependency. In other words, if a component or directive needs a Thing, it can call injector.get(Thing) instead of new Thing(...).

Step 1: Create a Provider

The Provider interface has a number of subinterfaces, including ValueProvider, FactoryProvider, and ClassProvider. Each subinterface configures an Injector to provide a different type of dependency. This discussion focuses on two of the subinterfaces: ClassProvider and FactoryProvider.

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