cache options for apollo client

ApolloClient.js

import { ApolloClient } from 'apollo-client'
import { ApolloLink, concat } from 'apollo-link'
import { HttpLink } from 'apollo-link-http'
import { InMemoryCache } from 'apollo-cache-inmemory'

const defaultOptions = {
  watchQuery: {
    fetchPolicy: 'network-only',
    errorPolicy: 'ignore'
  },
  query: {
    fetchPolicy: 'network-only',
    errorPolicy: 'all'
  },
  mutate: {
    fetchPolicy: 'no-cache',
    errorPolicy: 'all'
  }
}

export const createApolloClient = (uri = process.env.REACT_APP_SERVER_ENDPOINT, accessToken) => {
  const httpLink = new HttpLink({ uri, credentials: 'include', fetch })
  const authMiddleware = new ApolloLink((operation, forward) => {
    if (accessToken) {
      // add the authorization to the headers
      operation.setContext({
        headers: {
          Authorization: `Bearer ${accessToken}`
        }
      })
    }
    return forward(operation)
  })

  return new ApolloClient({
    link: concat(authMiddleware, httpLink), // authLink.concat(httpLink),
    cache: new InMemoryCache(),
    defaultOptions
  })
}

export const client = createApolloClient()

export default client