apollo.js

import { ApolloClient, HttpLink, InMemoryCache } from '@apollo/client';import { setContext } from '@apollo/link-context';
import Auth from 'aws-amplify';
import AsyncStorage from '@react-native-async-storage/async-storage';


// see: https://github.com/graphql/swapi-graphql

//authentication. asyncAuthLink will run every time your request is made and use the token
//you provide while making the request.
const makeApolloClient = (token) => {

  // create an apollo link instance, a network interface for apollo client
  const link = new HttpLink({
    uri: `https://knyio2nl7d.execute-api.us-east-1.amazonaws.com/dev/graphql`,
    headers: {
      Authorization: `${token}`
    }
  });

  // create an inmemory cache instance for caching graphql data
  const cache = new InMemoryCache({
  })

  // instantiate apollo client with apollo link instance and cache instance
  const client = new ApolloClient({
    link,
    cache
  });

  return client;
}

export default makeApolloClient;