Function clearStore

src/IDBStore.js:102–109

(dbName, callback)

    });
  },
  clearStore(dbName, callback) {
    IDBStore.getStore(dbName, 'readwrite', (err, store) => {
      if (err) return callback(err);
      var req = store.clear();
      req.onsuccess = (event) => callback();
      req.onerror = callback;
    });
  },
};