typed-inject/src/api/InjectionToken.ts

Type safe dependency injection framework for TypeScript

export type InjectorToken = '$injector';
export type TargetToken = '$target';
export const INJECTOR_TOKEN: InjectorToken = '$injector';
export const TARGET_TOKEN: TargetToken = '$target';
export type InjectionToken<TContext> =
  | InjectorToken
  | TargetToken
  | keyof TContext;