Method build

packages/animations/src/animation_builder.ts:136–142

(animation: AnimationMetadata | AnimationMetadata[])

  }

  override build(animation: AnimationMetadata | AnimationMetadata[]): AnimationFactory {
    const id = this._nextAnimationId;
    this._nextAnimationId++;
    const entry = Array.isArray(animation) ? sequence(animation) : animation;
    issueAnimationCommand(this._renderer, null, id, 'register', [entry]);
    return new BrowserAnimationFactory(id, this._renderer);
  }
}

class BrowserAnimationFactory extends AnimationFactory {