Method constructor

server/database/database.ts:18–21

(db: DatabaseReference, cache: HnCache)

  cache: HnCache;

  constructor(db: DatabaseReference, cache: HnCache) {
    this.db = db;
    this.cache = cache;
  }

  async fetchNewsItem(id: number): Promise<NewsItemModel | void> {
    logger('Fetching post:', `${HN_API_URL}/item/${id}.json`);