Method clear

src/backend/IndexedDB.ts:161–174

(cb: BFSOneArgCallback)

  }

  public clear(cb: BFSOneArgCallback): void {
    try {
      const tx = this.db.transaction(this.storeName, 'readwrite'),
        objectStore = tx.objectStore(this.storeName),
        r: IDBRequest = objectStore.clear();
      r.onsuccess = (event) => {
        // Use setTimeout to commit transaction.
        setTimeout(cb, 0);
      };
      r.onerror = onErrorHandler(cb);
    } catch (e) {
      cb(convertError(e));
    }
  }

  public beginTransaction(type: 'readonly'): AsyncKeyValueROTransaction;
  public beginTransaction(type: 'readwrite'): AsyncKeyValueRWTransaction;