u-fit/frontend/lib/withApollo.js

/**
 * Using next-with-apollo
 * https://github.com/lfades/next-with-apollo
 *
 * Changes:
 * * Reading endpoint and prodEndpoint from a config file
 * * Setting request to handle credentials.
 */

import withApollo from 'next-with-apollo'
import { ApolloClient } from 'apollo-client'
import { ApolloLink } from 'apollo-link'
import { InMemoryCache } from 'apollo-cache-inmemory'
import { HttpLink } from 'apollo-link-http'
import { onError } from 'apollo-link-error'

const cache = new InMemoryCache()
const httpLink = new HttpLink({ uri: 'http://localhost:8801/', credentials: 'include' })
const errorLink = onError(({ graphQLErrors, networkError, response }) => {
  console.log('ERRORS', graphQLErrors, networkError)
  if (graphQLErrors) {
    graphQLErrors.map(({ message, locations, path }) => {
      console.log(`[GraphQL error] Message: ${message}, Location: ${locations}, Path: ${path}`)
    })
  }
  if (networkError) {
    console.log(`[Network error] ${networkError}`)
  }
})

const link = ApolloLink.from([
  errorLink,
  httpLink
])

function createClient ({ ctx, headers }) {
  return new ApolloClient({
    link,
    cache
  })
}

export default withApollo(createClient)