I have been trying to learn how to SSR with React(without using Next.js) I've gotten to the point that I'm seeing the HTML rendered on the page but once I add the css imports to style the component babel start throwing errors ( C:\Users\Frozen\Desktop\ssr stuff\ssr4\src\App.css:1 body { ^
SyntaxError: Unexpected token '{' )
.babelrc
{
"presets": ["@babel/preset-env", "@babel/preset-react"],
}
webpack.config.js
const path = require("path");
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: './src/index.js',
output: {
path: path.resolve(__dirname, './build'),
filename: "bundle.js",
publicPath: "/"
},
devServer: {
port: 3010,
static: true,
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader",
options: {
presets: ['@babel/preset-env', "@babel/preset-react"]
}
},
},
{
test: /\.(css|scss)$/,
use: ["style-loader", "css-loader", "sass-loader"],
},
],
},
plugins: [
new HtmlWebpackPlugin({
template: './public/index.html',
publicPath: "/"
})
]
};
server.js
import express from 'express';
import React from 'react';
import ReactDOMServer from 'react-dom/server';
import App from './src/App.js';
import path from 'path';
import fs from 'fs';
const app = express();
app.get('/', (req, res) => {
console.log('in /');
fs.readFile(
path.resolve('./build/index.html'),
'utf8',
(err, data) => {
if (err) {
console.log(err);
return res.status(500).send('Internal Server Error');
}
const html = data.replace(
'<div id="root"></div>',
`<div id="root">${ReactDOMServer.renderToString(<App />)}</div>`
)
console.log(html)
return res.send(html);
}
);
});
app.use(express.static(path.resolve(__dirname,'build')));
app.listen(3000, () => {
console.log('server listening on port 3000')
})
I also fail to understand why do I have to put the app.use(static) below the app.get('/') aren't middlewares supposed to go one after another in order top to bottom (if I move the app.use(static) above the app.get('/') where I return the component I don't see the console.log('in /');
index.js
import React from "react";
import ReactDOM from 'react-dom'
import App from "./App";
const appElement = document.getElementById('root');
ReactDOM.hydrate(<App/>, appElement)
I run npx webpack npx babel-node server.js And I get the css error (if I remove the css import I don't get it but I don't have css in the component) Also is there a way to rebuild and run server.js once I change something ( like when you use create-react-app ) Also any other suggestions on what I can improve in the current setup will be much appreciated.
Install babel-plugin-css-modules-transform
npm install --save-dev babel-plugin-css-modules-transform
.
Then include it in.babelrc
"plugins": ["css-modules-transform"]
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