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render-app.js
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render-app.js
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import React from 'react';
import { renderToString } from 'react-dom/server';
function renderPageToString(page) {
return `<!doctype html>${renderToString(page)}`;
}
const Html = ({ initialState, scripts, stylesheets, markup }) => (
<html lang="en">
<head>
<meta charSet="utf-8" />
<meta httpEquiv="x-dns-prefetch-control" content="on" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
</head>
<body>
<script dangerouslySetInnerHTML={{
__html: `window.__APOLLO_STATE__ = ${JSON.stringify(initialState)}`
}} />
<div id="stylesheets" dangerouslySetInnerHTML={{ __html: stylesheets.join('') }} />
<div id="html" dangerouslySetInnerHTML={{ __html: markup }} />
<div id="scripts" dangerouslySetInnerHTML={{ __html: scripts.join('') }} />
</body>
</html>
)
export default function renderApp(assets) {
return async (ctx, next) => {
await next();
try {
ctx.body = renderPageToString(<Html
initialState={ctx.initialState}
scripts={assets.javascript}
stylesheets={assets.styles}
markup={ctx.markup}
/>);
} catch (error) {
console.log(error)
ctx.response.status = 500;
ctx.body = renderPageToString(<div>Crikey!</div>);
}
};
}