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client.js
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client.js
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import {
RelayNetworkLayer,
cacheMiddleware,
urlMiddleware,
} from 'react-relay-network-modern/node8'
import RelaySSR from 'react-relay-network-modern-ssr/node8/client'
import { Environment, RecordSource, Store } from 'relay-runtime'
const source = new RecordSource()
const store = new Store(source)
let storeEnvironment = null
export default {
createEnvironment: (relayData) => {
if (storeEnvironment) return storeEnvironment
storeEnvironment = new Environment({
store,
network: new RelayNetworkLayer([
cacheMiddleware({
size: 100,
ttl: 60 * 1000,
}),
new RelaySSR(relayData).getMiddleware({
lookup: false,
}),
urlMiddleware({
url: (req) => process.env.NEXT_PUBLIC_RELAY_ENDPOINT,
}),
]),
})
return storeEnvironment
},
}