Function getProvidersByToken

packages/core/test/acceptance/di_spec.ts:73–76

(
  providers: Provider[],
  token: Type<unknown> | InjectionToken<unknown>,
)

import {TestBed} from '../../testing';

const getProvidersByToken = (
  providers: Provider[],
  token: Type<unknown> | InjectionToken<unknown>,
): Provider[] => providers.filter((provider) => (provider as any).provide === token);

const hasProviderWithToken = (providers: Provider[], token: InjectionToken<unknown>): boolean =>
  getProvidersByToken(providers, token).length > 0;