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next.js/examples/with-apollo/lib/initApollo.js
Roland Warmerdam f4d6cbfc19 Many improvements to the Apollo examples (#1905)
* Many improvements to the Apollo examples

* Use static properties
2017-05-11 00:23:11 +02:00

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JavaScript

import { ApolloClient, createNetworkInterface } from 'react-apollo'
import fetch from 'isomorphic-fetch'
let apolloClient = null
// Polyfill fetch() on the server (used by apollo-client)
if (!process.browser) {
global.fetch = fetch
}
function create (initialState) {
return new ApolloClient({
initialState,
ssrMode: !process.browser, // Disables forceFetch on the server (so queries are only run once)
networkInterface: createNetworkInterface({
uri: 'https://api.graph.cool/simple/v1/cixmkt2ul01q00122mksg82pn', // Server URL (must be absolute)
opts: { // Additional fetch() options like `credentials` or `headers`
credentials: 'same-origin'
}
})
})
}
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
}