ClassProvider
Interface defining a Class type provider.
interface ClassProvider<T = any> {
provide: InjectionToken
useClass: Type<T>
scope?: Scope
inject?: never
durable?: boolean
}See also
Description
For example:
const configServiceProvider = {
provide: ConfigService,
useClass:
process.env.NODE_ENV === 'development'
? DevelopmentConfigService
: ProductionConfigService,
};Properties
| Property | Description |
|---|---|
provide: InjectionToken
|
Injection token |
useClass: Type<T>
|
Type (class name) of provider (instance to be injected). |
scope?: Scope
|
Optional enum defining lifetime of the provider that is injected. |
inject?: never
|
This option is only available on factory providers! |
durable?: boolean
|
Flags provider as durable. This flag can be used in combination with custom context id factory strategy to construct lazy DI subtrees. This flag can be used only in conjunction with scope = Scope.REQUEST. |