Nathan Wienert Nathan Wienert - 1 year ago 245
Javascript Question

How to allow for webpack-dev-server to allow entry points from react-router

I'm creating an app that uses webpack-dev-server in development alongside react-router.

It seems that webpack-dev-server is built around the assumption that you will have a public entry point at one place (i.e. "/"), whereas react-router allows for an unlimited amount of entry points.

I want the benefits of the webpack-dev-server, especially the hot reloading feature that is great for productivity, but I still want to be able to load routes set in react-router.

How could one implement it such that they work together? Could you run an express server in front of webpack-dev-server in such a way to allow this?

Answer Source

I set up a proxy to achieve this:

You have a regular express webserver that serves the index.html on any route, except if its an asset route. if it is an asset, the request gets proxied to the web-dev-server

your react hot entrypoints will still point directly at the webpack dev server, so hot reloading still works.

Let's assume you run webpack-dev-server on 8081 and your proxy at 8080. Your server.js file will look like this:

"use strict";
var webpack = require('webpack');
var WebpackDevServer = require('webpack-dev-server');
var config = require('./make-webpack-config')('dev');

var express = require('express');
var proxy = require('proxy-middleware');
var url = require('url');

## --------your proxy----------------------
var app = express();
## proxy the request for static assets
app.use('/assets', proxy(url.parse('http://localhost:8081/assets')));

app.get('/*', function(req, res) {
    res.sendFile(__dirname + '/index.html');

# -----your-webpack-dev-server------------------
var server = new WebpackDevServer(webpack(config), {
    contentBase: __dirname,
    hot: true,
    quiet: false,
    noInfo: false,
    publicPath: "/assets/",

    stats: { colors: true }

## run the two servers
server.listen(8081, "localhost", function() {});

now make your entrypoints in the webpack config like so:

    entry: [

note the direct call to 8081 for hotreload

also make sure you pass an absolute url to the output.publicPath option:

    output: {
        publicPath: "http://localhost:8081/assets/",
        // ...
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