EnvironmentInjector
class developer preview
An Injector that's part of the environment injector hierarchy, which exists outside of the component tree.
abstract class EnvironmentInjector implements Injector {
abstract get<T>(token: ProviderToken<T>, notFoundValue?: T, flags?: InjectFlags): T
abstract destroy(): void
}
Methods
|
get()
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Retrieves an instance from the injector based on the provided token. |
|||||||||
|
token |
ProviderToken<T> |
|
notFoundValue |
T |
Optional. Default is |
flags |
InjectFlags |
Optional. Default is |
Returns
T: The instance from the injector if defined, otherwise the notFoundValue.
Throws
Error When the notFoundValue is undefined or Injector.THROW_IF_NOT_FOUND.
abstract get(token: any, notFoundValue?: any): any
Deprecated from v4.0.0 use ProviderToken
Parameters
token |
any |
|
notFoundValue |
any |
Optional. Default is |
Returns
any
|
destroy()
|
|---|
|
© 2010–2022 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/core/EnvironmentInjector
