Apollo helpers

apollo-neo4j.js

const { v1: neo4j } = require('neo4j-driver')
const { ApolloServer, makeExecutableSchema } = require('apollo-server')

const driver = neo4j.driver(
  `bolt://${process.env.NEO4J_HOST}:7687`,
  neo4j.auth.basic(process.env.NEO4J_USER, process.env.NEO4J_PASS))

const typeDefs = `
type Person { name: String! }
type Planet { name: String! }
type Query {
  Person: [Person]
  Planet: [Planet]
}
`

const schema = makeExecutableSchema({ typeDefs })

new ApolloServer({
  schema,
  context: { driver },
}).listen(8000, '0.0.0.0')
  .then(({ url }) => console.log(`GraphQL API ready at ${url}`))

apollo.jsx

// https://www.apollographql.com/docs/react/recipes/authentication.html
import { ApolloClient } from 'apollo-client';
import { createHttpLink } from 'apollo-link-http';
import { setContext } from 'apollo-link-context';
import { InMemoryCache } from 'apollo-cache-inmemory';

const httpLink = createHttpLink({
  uri: '/graphql',
});

const authLink = setContext((_, { headers }) => {
  // get the authentication token from local storage if it exists
  const token = localStorage.getItem('token');
  // return the headers to the context so httpLink can read them
  return {
    headers: {
      ...headers,
      authorization: token ? `Bearer ${token}` : "",
    }
  }
});

const client = new ApolloClient({
  link: authLink.concat(httpLink),
  cache: new InMemoryCache()
});