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InjectFlags

enum

Injection flags for DI.

enum InjectFlags {
  Default: 0b0000
  Host: 0b0001
  Self: 0b0010
  SkipSelf: 0b0100
  Optional: 0b1000
}

Members

Member Description
Default: 0b0000
Host: 0b0001

Specifies that an injector should retrieve a dependency from any injector until reaching the host element of the current component. (Only used with Element Injector)

Self: 0b0010

Don't descend into ancestors of the node requesting injection.

SkipSelf: 0b0100

Skip the node that is requesting injection.

Optional: 0b1000

Inject defaultValue instead if token not found.

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https://v7.angular.io/api/core/InjectFlags