spee.ch/server/helpers/handleShowRender.jsx

76 lines
2.3 KiB
JavaScript

import React from 'react';
import { renderToString } from 'react-dom/server';
import { createStore, applyMiddleware } from 'redux';
import { Provider } from 'react-redux';
import { StaticRouter } from 'react-router-dom';
import renderFullPage from './renderFullPage';
import createSagaMiddleware from 'redux-saga';
import { call } from 'redux-saga/effects';
import { Reducers, GAListener, App, Sagas, Actions } from 'spee.ch-components';
/*
^ note: to do this right, maybe
these should be passed in from the implementation (www.spee.ch) itself,
so that there are no conflicts between the SSR here and
the bundle sent to the server?
there might also be issues if this package uses a different version of spee.ch-components than www.spee.ch does?
*/
import Helmet from 'react-helmet';
const siteConfig = require('../../config/siteConfig.js');
const returnSagaWithParams = (saga, params) => {
return function * () {
yield call(saga, params);
};
};
module.exports = (req, res) => {
let context = {};
// configure the reducers by passing initial state configs
const MyReducers = Reducers(siteConfig);
const MyApp = App(siteConfig);
const MyGAListener = GAListener(siteConfig);
// create and apply middleware
const sagaMiddleware = createSagaMiddleware();
const middleware = applyMiddleware(sagaMiddleware);
// create a new Redux store instance
const store = createStore(MyReducers, middleware);
// create saga
const action = Actions.onHandleShowPageUri(req.params);
const saga = returnSagaWithParams(Sagas.handleShowPageUri, action);
// run the saga middleware
sagaMiddleware
.run(saga)
.done
.then(() => {
// render component to a string
const html = renderToString(
<Provider store={store}>
<StaticRouter location={req.url} context={context}>
<MyGAListener>
<MyApp />
</MyGAListener>
</StaticRouter>
</Provider>
);
// get head tags from helmet
const helmet = Helmet.renderStatic();
// check for a redirect
if (context.url) {
return res.redirect(301, context.url);
}
// get the initial state from our Redux store
const preloadedState = store.getState();
// send the rendered page back to the client
res.send(renderFullPage(helmet, html, preloadedState));
});
};