index.js

"use strict";

const { ApolloClient } = require("apollo-client");
const { createNetworkInterface } = require("apollo-client");
const gql = require("graphql-tag");
require("es6-promise").polyfill();
require("isomorphic-fetch");

const networkInterface = createNetworkInterface({
    uri: "https://3qmw47n5v.lp.gql.zone/graphql"
});
// networkInterface.use([{
//     applyMiddleware(req, next) {
//         // we can apply tokens to the header here
//         next();
//     }
// }]);

const client = new ApolloClient({
    initialState: { apollo: "" },
    networkInterface: networkInterface
});

let query = gql`
    query ( $limit: Int!, $keyword:String){
        businesses(limit:$limit, keyword:$keyword){
            name
            stars
            review_count
        }
    }
`
function getItems(keyword) {
  console.log(keyword)
  client.query({query,
    variables: {
      limit: 5,
      keyword: keyword
    }
  }).then((results) => {
    //do something useful
    console.log(client.store.getState().apollo);
    console.log(results)
    return results.data
  })
    .catch(error => {
      console.log("error: ", error);
    })
}

window._getItems = getItems;