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next.js/examples/with-apollo/pages/about.js
2018-08-09 14:00:08 -07:00

42 lines
1.7 KiB
JavaScript

import App from '../components/App'
import Header from '../components/Header'
export default () => (
<App>
<Header />
<article>
<h1>The Idea Behind This Example</h1>
<p>
<a href='https://www.apollographql.com/client/'>Apollo</a> is a GraphQL client that
allows you to easily query the exact data you need from a GraphQL
server. In addition to fetching and mutating data, Apollo analyzes your
queries and their results to construct a client-side cache of your data,
which is kept up to date as further queries and mutations are run,
fetching more results from the server.
</p>
<p>
In this simple example, we integrate Apollo seamlessly with{' '}
<a href='https://github.com/zeit/next.js'>Next</a> by wrapping our pages
inside a{' '}
<a href='https://facebook.github.io/react/docs/higher-order-components.html'>
higher-order component (HOC)
</a>. Using the HOC pattern we're able to pass down a central store of
query result data created by Apollo into our React component hierarchy
defined inside each page of our Next application.
</p>
<p>
On initial page load, while on the server and inside getInitialProps, we
invoke the Apollo method,{' '}
<a href='https://www.apollographql.com/docs/react/features/server-side-rendering.html#getDataFromTree'>
getDataFromTree
</a>. This method returns a promise; at the point in which the promise
resolves, our Apollo Client store is completely initialized.
</p>
<p>
This example relies on <a href='http://graph.cool'>graph.cool</a> for
its GraphQL backend.
</p>
</article>
</App>
)