103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
import React from 'react';
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import { RouterContext } from 'react-router';
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import debug from 'debug';
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import { renderToString } from 'redux-epic';
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import provideStore from '../../common/app/provide-store';
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import createApp from '../../common/app';
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const log = debug('fcc:react-server');
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// add routes here as they slowly get reactified
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// remove their individual controllers
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const routes = [
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'/challenges',
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'/challenges/*',
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'/map',
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'/settings',
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'/settings/*'
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];
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const devRoutes = [];
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export default function reactSubRouter(app) {
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var router = app.loopback.Router();
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router.get('/videos', (req, res) => res.redirect('/map'));
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router.get(
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'/videos/:dashedName',
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(req, res) => res.redirect(`/challenges/${req.params.dashedName}`)
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);
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// These routes are in production
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routes.forEach((route) => {
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router.get(route, serveReactApp);
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});
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if (process.env.NODE_ENV === 'development') {
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devRoutes.forEach(function(route) {
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router.get(route, serveReactApp);
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});
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}
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app.use('/:lang', router);
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function serveReactApp(req, res, next) {
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const { lang } = req;
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const serviceOptions = { req };
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createApp({
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serviceOptions,
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location: req.originalUrl,
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initialState: { app: { lang } }
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})
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// if react-router does not find a route send down the chain
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.filter(({ redirect, props }) => {
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if (!props && redirect) {
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log('react router found a redirect');
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return res.redirect(redirect.pathname + redirect.search);
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}
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if (!props) {
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log(`react tried to find ${req.path} but got 404`);
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return next();
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}
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return !!props;
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})
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.flatMap(({ props, store, epic }) => {
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log('render react markup and pre-fetch data');
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return renderToString(
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provideStore(React.createElement(RouterContext, props), store),
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epic
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)
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.map(({ markup }) => ({ markup, store, epic }));
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})
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.filter(({ store, epic }) => {
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const { delayedRedirect } = store.getState().app;
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if (delayedRedirect) {
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res.redirect(delayedRedirect);
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epic.dispose();
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return false;
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}
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return true;
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})
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.flatMap(function({ markup, store, epic }) {
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log('react markup rendered, data fetched');
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const state = store.getState();
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const { title } = state.app;
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epic.dispose();
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res.expose(state, 'data');
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res.expose(req.flash(), 'flash');
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return res.render$(
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'layout-react',
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{ markup, title }
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);
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})
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.doOnNext(markup => res.send(markup))
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.subscribe(
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() => log('html rendered and ready to send'),
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next
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);
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}
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}
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