code: function docChangeEvent(change, originalMeta = {}) {
    const meta = { ...cloneDeep(originalMeta), path: change.doc.ref.path };
    if (originalMeta.subcollections && !originalMeta.storeAs) {
      meta.subcollections[0] = { ...meta.subcollections[0], doc: change.doc.id };
    } else {
      meta.doc = change.doc.id;
    }
    return {
      type: changeTypeToEventType[change.type] || actionTypes.DOCUMENT_MODIFIED,
      meta,
      payload: {
        data: change.doc.data(),
        ordered: { oldIndex: change.oldIndex, newIndex: change.newIndex },
      },
    };
  }
docs: Action creator for document change event. Used to create action objects
  to be passed to dispatch.
  @param  {Object} change - Document change object from Firebase callback
  @param  {Object} [originalMeta={}] - Original meta data of action
  @return {Object}                   [description]