Hello Everyone I'm having trouble getting this to work. Express should only load the index page once when requested react-router should take over from then.
express code :
const express = require('express');
const mongoose = require('mongoose');
const session = require('express-session');
const path = require('path');
const db = require('./config/keys').MONGOURI;
const app = express();
const router = express.Router();
mongoose.connect(db, { useNewUrlParser: true })
.then(() => {
console.log('MongoDB Connected');
})
.catch(err => console.log(err));
// req.body kan hierdoor json zijn
app.use(express.urlencoded({ extended: true }));
// Express session middleware
app.use(session({
secret: 'secret',
resave: true,
proxy: true,
saveUninitialized: true,
}));
app.use(express.static(path.join(__dirname, 'frontend/dist')));
// static route loading index.html from there react.router takes over
// it is just offering the index.html file
router.get('/', (req, res) => {
res.sendFile(path.join(__dirname, 'frontend/dist/index.html'));
});
// process.env werkt op elk platform
const PORT = process.env.PORT || 5000;
app.listen(PORT, console.log(`Express server is running on port ${PORT}`));
after this the app component should be rendered
import React from 'react';
import { render } from 'react-dom';
import { BrowserRouter as Router } from 'react-router-dom';
import { createStore, applyMiddleware } from 'redux';
import { Provider } from 'react-redux';
import thunkMiddleware from 'redux-thunk';
import { createLogger } from 'redux-logger';
import rootReducer from './redux/reducers';
import App from './containers/App';
const loggerMiddleware = createLogger();
// store
const store = createStore(
rootReducer,
applyMiddleware(
thunkMiddleware,
loggerMiddleware,
),
);
render(
<Provider store={store}>
<Router>
<App />
</Router>
</Provider>,
document.getElementById('root'),
);
the app component is just routes to a home component and a login component with as fallback a 404 page
index.js (frontend first load)
import React from 'react';
import { render } from 'react-dom';
import { BrowserRouter as Router } from 'react-router-dom';
import { createStore, applyMiddleware } from 'redux';
import { Provider } from 'react-redux';
import thunkMiddleware from 'redux-thunk';
import { createLogger } from 'redux-logger';
import rootReducer from './redux/reducers';
import App from './containers/App';
const loggerMiddleware = createLogger();
// store
const store = createStore(
rootReducer,
applyMiddleware(
thunkMiddleware,
loggerMiddleware,
),
);
render(
<Provider store={store}>
<Router>
<App />
</Router>
</Provider>,
document.getElementById('root'),
);
None of the components are getting loaded. Adding an h1 to app loads. I feel like express keeps on serving the index page..
App component:
import React from 'react';
import { Route, Switch, Link } from 'react-router-dom';
import NotFound from './NotFound';
import Login from './Login';
const Home = () => <h2>this is the homepage</h2>;
class App extends React.Component {
render() {
return (
<Switch>
<Route exact path="/" Component={Home} />
<Route path="/login" Component={Login} />
<Route component={NotFound} />
</Switch>
);
}
}
export default App;
express will serve as an api to save users and process other data.
Change your Switch
to below. Notice the lowercase component in the code above.
<Switch>
<Route path="/login" component={Login} />
<Route path="/" component={Home} />
<Route component={NotFound} />
</Switch>
I fixed it by testing react on its own to make sure it work (before figuring out express). Heres my test file.
const Home = () => {
console.log("home")
return <h2>this is the homepage</h2>
};
const Login = () => {
console.log("login")
return <h2>this is the loginpage</h2>
};
class App extends React.Component {
render() {
console.log("here", this.props);
return (
<div>
<h1>Test</h1>
<Link to="/login">Login</Link>
<Link to="/">Home</Link>
<Switch>
<Route path="/login" component={Login} />
<Route path="/" component={Home} />
</Switch>
</div>
);
}
}
const Index = () => (
<Provider store={store}>
<Router>
<App />
</Router>
</Provider>
);
export default Index;
Hope that helps
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