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koa-isomorphic-relay
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koa-isomorphic-relay
Koa middleware for isomorphic React + Relay rendering and routing
koa-isomorphic-relay
Koa middleware for isomorphic React + Relay rendering and routing. This middleware implements basic server side pre-rendering, which is required for isomorphic rendering.
Components
react+react-domfor renderingreact-helmetfor document head managementrelayfor data fetching and managementisomorphic-relayto make Relay isomorphic (see facebook/relay#136 and facebook/relay#558)react-routerfor routingreact-router-relayto add support for Relay to the routerisomorphic-relay-routerto make Relay Router isomorphic
Installation
$ npm install koa-isomorphic-relay
Usage
Server side
import Koa from 'koa';
import renderServer from 'koa-isomorphic-relay';
const app = new Koa();
// Place this at the end of the middleware stack as it will always render a page or throw an error
app.use(renderServer({
// URL of a GraphQL server
graphqlUrl: 'http://localhost:8080/graphql',
// Routes object from react-router-relay
routes: routes,
// Rendering function (allows for use of templating engines for example)
render: async (reactOutput, preloadedData, helmet) => {
return `
<!DOCTYPE>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
${helmet.title.toString()}
${helmet.meta.toString()}
${helmet.link.toString()}
</head>
<body>
<div id="root">${reactOutput}</div>
<script id="preloaded-data" type="application/json">${preloadedData}</script>
<script src="/app.js"></script>
</body>
</html>
`;
}
}));
Client side
import ReactDOM from 'react-dom';
import {browserHistory} from 'react-router';
import IsomorphicRelay from 'isomorphic-relay';
import IsomorphicRouter from 'isomorphic-relay-router';
// Inject preloaded data from the server side
const data = JSON.parse(document.getElementById('preloaded-data').textContent);
IsomorphicRelay.injectPreparedData(data);
// Find the root element
const rootElement = document.getElementById('root');
// Use the same routes object as on the server
ReactDOM.render(
<IsomorphicRouter.Router routes={routes} history={browserHistory} />,
rootElement
);
FAQs
Koa middleware for isomorphic React + Relay rendering and routing
The npm package koa-isomorphic-relay receives a total of 0 weekly downloads. As such, koa-isomorphic-relay popularity was classified as not popular.
We found that koa-isomorphic-relay demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Package last updated on 02 Mar 2016
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