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next.js/examples/with-apollo/lib/initApollo.js
Brice BERNARD 48ed89f93d [with-apollo] Fix warning about missing _allPostsMeta and more (#3397)
* Fix coding style

* Fix className type

* Upgrade deps

* Fix coding style of lib/

* Simplify onSubmit handler

* Fix missing missing _allPostsMeta warning

* Follow lint rules
2017-12-05 10:50:45 -08:00

39 lines
1.2 KiB
JavaScript

import { ApolloClient } from 'apollo-client'
import { HttpLink } from 'apollo-link-http'
import { InMemoryCache } from 'apollo-cache-inmemory'
import fetch from 'isomorphic-unfetch'
let apolloClient = null
// Polyfill fetch() on the server (used by apollo-client)
if (!process.browser) {
global.fetch = fetch
}
function create(initialState) {
return new ApolloClient({
connectToDevTools: process.browser,
ssrMode: !process.browser, // Disables forceFetch on the server (so queries are only run once)
link: new HttpLink({
uri: 'https://api.graph.cool/simple/v1/cixmkt2ul01q00122mksg82pn', // Server URL (must be absolute)
credentials: 'same-origin' // Additional fetch() options like `credentials` or `headers`
}),
cache: new InMemoryCache().restore(initialState || {})
})
}
export default function initApollo(initialState) {
// Make sure to create a new client for every server-side request so that data
// isn't shared between connections (which would be bad)
if (!process.browser) {
return create(initialState)
}
// Reuse client on the client-side
if (!apolloClient) {
apolloClient = create(initialState)
}
return apolloClient
}