Typescript Translation of Jeff's Snippet

jeff-atwoods-can-accept-answer.ts

enum TrustLevel {
  None,
  AcceptAllSolutionsTrustLevel
}

class SomeComponent {
  private authenticated = false;
  private isStaff = false;
  private currentUser = {
    id: 123,
    trustLevel: TrustLevel.AcceptAllSolutionsTrustLevel
  };
  public canAcceptAnswer(topic, post) {
    if (!this.authenticated) { return false; }
    if (!topic || !post || post.whisper) { return false; }
    if (!this.allowAcceptedAnswersOnCategory(topic.categoryId)) { return false; }

    if (this.isStaff) { return true; }
    if (this.currentUser.trustLevel >= TrustLevel.AcceptAllSolutionsTrustLevel) { return true; }

    return topic.userId === this.currentUser.id && !topic.closed;
  }

  public allowAcceptedAnswersOnCategory(categoryId) {
    return false;
  }
}