INNER CODE UNIT · JavaScript

listIds

fullstackreact/react-native-firestack · lib/firestackModule.js:108

      let listIds = state.items.map(i => i._key);
      const itemIdx = listIds.indexOf(existingItem._key);
      list.splice(itemIdx, 1, existingItem);

      return this._handleUpdate(T.ITEM_CHANGED, {items: list}, cb);
    }

    return new Promise((resolve, reject) => {
      listenRef.on('child_added', _itemAdded);
      listenRef.on('child_removed', _itemRemoved);
      listenRef.on('child_changed', _itemChanged);

      this._handleUpdate(T.ACTION_LISTEN, null, (state) => {
        resolve(state)
      })
    })
  }

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