Method clearMap

storage.js:316–320

()

    }));
  }
  clearMap() {
    this.removeItem('map').then(() => {
      this._m = this._initMap();
    });
  }
  clearMapForKey(key) {
    return this._mapPromise.then(() => {
      let tasks = (this._m.__keys__[key] || []).map(id => this.remove({ key, id }));