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import { getDataFromTree } from "react-apollo"

app.use((req, res) => {
  const client = new ApolloClient(...);

  getDataFromTree(App).then(() => {
    const content = ReactDOM.renderToString(App);
    const initialState = client.extract();

    const html = <Html content={content} state={initialState} />;

    res.status(200);
    res.send(`<!doctype html>\n${ReactDOM.renderToStaticMarkup(html)}`);
    res.end();
  });
});