listenForItems()

in codelab-initial-state/public/js/homepage.js [88:96]

• 8 lines of code
• 2 McCabe index (conditional complexity)

  listenForItems() {
    this.db.collection("items").onSnapshot(items => {
      if (items.size === 0) {
        console.warn("No items in the database ... did you remember to start the emulators with --import?");
      }

      this.itemCardList.setItems(items);
    });
  }