Method applyBookFromHash

js/ReadingSystem.js:127–132

* 从 URL hash 应用课本 * @returns {Promise }

()

   * @returns {Promise<void>}
   */
  async applyBookFromHash() {
    const keyFromHash = location.hash.slice(1).trim();
    const storedBookKey = getStorage(this.config.STORAGE_KEYS.BOOK_SELECTION);
    const initialBookKey = keyFromHash || storedBookKey || this.config.DEFAULT_BOOK_KEY;
    await this.applyBookChange(initialBookKey);
  }

  /**
   * 应用课本切换