How to use

allItems

function

in

Array

const showLoading = (state = INITIAL_STATE, action) => {
 const allItems = action.nextPageToken ? state.allItems : [];
 const totalResults = action.nextPageToken
  ? state.extraInfo.totalResults
  : null;
 return {
  ...state,
  ...{
   extraInfo: {
    loading: action.loading,
    totalResults: totalResults,
   },
   allItems: allItems,
  },
 };
}

const listItems = (state = INITIAL_STATE, action) => {
 const allItems = action.nextPageToken
  ? [...state.allItems, ...action.allData.items]
  : action.allData.items;
 return {
  ...state,
  ...{
   allItems: allItems,
   keywords: [
    action.keyword,
    ...state.keywords.filter((t) => t !== action.keyword),
   ],
   extraInfo: {
    loading: false,
    nextPageToken: action.allData.nextPageToken,
    resultsPerPage: action.allData.pageInfo.resultsPerPage,
    totalResults: action.allData.pageInfo.totalResults,
    errorMsg: null,
    etag: action.allData.etag,
   },
  },
 };
}