Class Injector

be inspired of Angular2.

See

https://angular.io/guide/hierarchical-dependency-injection

Hierarchy

  • Injector

Implements

Constructors

constructor

Properties

C own parent providers values writeProp

Methods

$new get getService loadProviders

Constructors

constructor

Properties

Private C

C: Constructor<object>

Readonly own

own: WithInjector

which object owns this injector.

Maybe an object A has the injector refer to this, but A do not own it.

parent

parent: IInjector

If you use $new method to create a object A which is provider, A

Private providers

providers: Map<Symbol, Provider> = ...

Private values

values: Map<Symbol, any> = ...

Readonly writeProp

writeProp: ((o: object, prop: string, value: any) => void)

Type declaration

    • (o: object, prop: string, value: any): void

    • Parameters

      • o: object
      • prop: string
      • value: any

      Returns void

Methods

$new

  • $new<C>(c: C, ...args: ConstructorParameters<C>): InstanceType<C>

  • Based on this injector, create an object which may depend providers from this injector. If C is a provider, we create a sub injector, whose parent is the injector.

    Type Parameters

    Parameters

    • c: C
    • Rest ...args: ConstructorParameters<C>

    Returns InstanceType<C>

get

Private getService

loadProviders

  • load or reload providers, keep in mind! we don't re-bind the dependencies that have already bound.

    Returns void

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