• Overview
@angular/core

ValueProvider

interface

Configures the Injector to return a value for a token.

API

  
    interface ValueProvider extends ValueSansProvider {}
  
  

provide

any

An injection token. Typically an instance of Type or InjectionToken, but can be any.

multi

boolean | undefined

When true, injector returns an array of instances. This is useful to allow multiple providers spread across many files to provide configuration information to a common token.

useValue

any

The value to inject.

Usage Notes

Example

          
const injector = Injector.create({providers: [{provide: String, useValue: 'Hello'}]});        expect(injector.get(String)).toEqual('Hello');

Multi-value example

          
const locale = new InjectionToken<string[]>('locale');        const injector = Injector.create({          providers: [            {provide: locale, multi: true, useValue: 'en'},            {provide: locale, multi: true, useValue: 'sk'},          ],        });        const locales: string[] = injector.get(locale);        expect(locales).toEqual(['en', 'sk']);
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