INNER CODE UNIT · JavaScript

_itemChanged

fullstackreact/react-native-firestack · lib/firestackModule.js:103

    const _itemChanged = (snapshot, prevKey) => {
      const state = this._getState()
      const existingItem = toObject(snapshot, state);

      let list = state.items;
      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) => {

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