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next.js/examples/with-apollo-and-redux/lib/initApollo.js
Jerome Fitzgerald 46b57a6eff [refactor] with-apollo-and-redux: 2.0.0 (#3484)
* [refactor] with-apollo-and-redux: 2.0.0

- This ports over `with-apollo` (w/ recent `withRouter` fix and addition
for Post) along with implementing `apollo-cache-redux` #3463
- The `redux` side of things is lacking (it is the *same* as the
original example)
- Created a `routes.js` for use on Server and Client Side (to expand the
PostList functionality)
- SSR is maintained
- Redid the "PostVote" a bit... sorry. 😬️

Possible todo(s):
- Add in API and Clock Examples from `with-redux` to show Apollo and
Redux working together a bit more
- redux-saga (I personally use this, may be too opinionated for the base
example though)

Packages updated:
- apollo-cache-redux
- apollo-client-preset
- graphql
- graphql-anywhere
- graphql-tag
- isomorphic-unfetch
- next-routes
- prop-types
- react
- react-apollo
- react-dom
- redux

* [refactor] fix linting issues

When I run `yarn lint` explicitly these were caught, but not doing a
build proper. Apologies on that!

* [chore] 📦️ package.json: like other examples

* [refactor] +apollo-cache-inmemory, -apollo-cache-redux

Separation of Apollo and Redux. 😄️
We could stand to use a few actual examples of Redux, though this is a
good starting block.
Some other code cleanup as well.
2017-12-27 19:57:57 +01:00

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
}