Method count

packages/core/src/entity/Collection.ts:339–342

Returns the number of items in the collection. Throws if the collection is not initialized.

()

  /** Returns the number of items in the collection. Throws if the collection is not initialized. */
  count(): number {
    this.checkInitialized();
    return this.#items.size;
  }

  /** Returns true if the collection has no items. Throws if the collection is not initialized. */
  isEmpty(): boolean {