96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
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 } 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 createSagaMiddleware from 'redux-saga';
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import { call } from 'redux-saga/effects';
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import { handleShowPageUri } from '../react/sagas/show_uri';
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import { onHandleShowPageUri } from '../react/actions/show';
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// const waitAll = (sagas) => {
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// console.log('sagas', sagas);
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// return function * () {
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// const tasks = yield sagas.map(([saga, params]) => {
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// console.log('saga to fork:', saga);
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// console.log('params fork:', params);
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// fork(saga, params);
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// });
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// console.log('tasks', tasks);
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// console.log('before join');
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// yield tasks.map(join);
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// console.log('after join');
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// };
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// };
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//
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// const getPreloaders = (req) => {
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// let preloaders = [];
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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 preloadData = route.component.preloadData;
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// if (preloadData instanceof Function) {
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// preloaders.push([preloadData(), mockAction(match.params)]);
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// };
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// };
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// });
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// return preloaders;
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// };
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const returnSagaWithParams = (saga, params) => {
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return function * () {
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yield call(saga, params);
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};
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};
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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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// get params
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const action = onHandleShowPageUri(req.params);
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// create saga
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const saga = returnSagaWithParams(handleShowPageUri, action);
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// run the saga middleware
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sagaMiddleware
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.run(saga)
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.done
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.then(() => {
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console.log('preload sagas are done');
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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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