withData.js

import withApollo from 'next-with-apollo';
import ApolloClient, { InMemoryCache } from 'apollo-boost';

function createClient({ headers, initialState }) {
  return new ApolloClient({
    uri: process.env.API,
    request: operation => {
      operation.setContext({
        fetchOptions: {
          credentials: 'include',
        },
        headers,
      });
    },
    cache: new InMemoryCache().restore(initialState || {}),
  });
}

export default withApollo(createClient);