Concrete injectors implement this interface. Injectors are configured with providers that associate dependencies of various types with injection tokens.
StaticProvider
The following example creates a service injector instance.
{@example core/di/ts/provider_spec.ts region='ConstructorProvider'}
{@example core/di/ts/injector_spec.ts region='Injector'}
Injector returns itself when given Injector as a token:
Injector
{@example core/di/ts/injector_spec.ts region='injectInjector'}
Retrieves an instance from the injector based on the provided token.
When the notFoundValue is undefined or Injector.THROW_IF_NOT_FOUND.
notFoundValue
undefined
Injector.THROW_IF_NOT_FOUND
The instance from the injector if defined, otherwise the notFoundValue.
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Concrete injectors implement this interface. Injectors are configured with providers that associate dependencies of various types with injection tokens.
See
StaticProviderUsage Notes
The following example creates a service injector instance.
{@example core/di/ts/provider_spec.ts region='ConstructorProvider'}
Usage example
{@example core/di/ts/injector_spec.ts region='Injector'}
Injectorreturns itself when givenInjectoras a token:{@example core/di/ts/injector_spec.ts region='injectInjector'}
Public Api