69 lines
2 KiB
React
69 lines
2 KiB
React
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import React from 'react';
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import { renderToString } from 'react-dom/server';
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import { createStore, applyMiddleware } from 'redux';
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import Reducer from '../react/reducers';
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import { Provider } from 'react-redux';
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import { StaticRouter, matchPath } from 'react-router-dom';
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import GAListener from '../react/components/GAListener';
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import App from '../react/app';
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import renderFullPage from './renderFullPage';
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import routes from '../react/routes';
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import createSagaMiddleware from 'redux-saga';
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import rootSaga from '../react/sagas';
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module.exports = (req, res) => {
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let context = {};
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// create and apply middleware
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const sagaMiddleware = createSagaMiddleware();
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const middleware = applyMiddleware(sagaMiddleware);
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// create a new Redux store instance
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const store = createStore(Reducer, middleware);
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// run the saga middlweare
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sagaMiddleware.run(rootSaga);
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// get data as promises
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const promises = [];
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routes.some(route => {
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const match = matchPath(req.path, route);
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if (match) {
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let fetchData = route.component.fetchData;
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if (fetchData instanceof Function) {
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promises.push(fetchData(store, match));
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};
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};
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});
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console.log('promises', promises);
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// after promises have resolved, render the component
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Promise.all(promises).then(data => {
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console.log('data:', data);
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// render component to a string
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const html = renderToString(
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<Provider store={store}>
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<StaticRouter location={req.url} context={context}>
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<GAListener>
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<App />
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</GAListener>
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</StaticRouter>
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</Provider>
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);
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// check for a redirect
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if (context.url) {
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console.log('REDIRECTING:', context.url);
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return res.redirect(301, context.url);
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} else {
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console.log(`we're good, send the response`, html);
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}
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// get the initial state from our Redux store
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const preloadedState = store.getState();
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// send the rendered page back to the client
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res.send(renderFullPage(html, preloadedState));
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});
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};
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