/koa-webpack-hot-middleware

Primary LanguageJavaScript

koa-webpack-hot-middleware

webpack hot reload middleware for koa

Usage

same with https://github.com/glenjamin/webpack-hot-middleware

Webpack Hot Middleware

Webpack hot reloading using only webpack-dev-middleware. This allows you to add hot reloading into an existing server without webpack-dev-server.

Installation & Usage

See example/ for an example of usage.

First, install the npm module.

npm install --save-dev koa-webpack-hot-middleware

Next, enable hot reloading in your webpack config:

  1. Add the following three plugins to the plugins array:

    plugins: [
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoErrorsPlugin()
]

    Occurence ensures consistent build hashes, hot module replacement is somewhat self-explanatory, no errors is used to handle errors more cleanly.

  2. Add 'webpack-hot-middleware/client' into the entry array. This connects to the server to receive notifications when the bundle rebuilds and then updates your client bundle accordingly.

Now add the middleware into your server:

  1. Add webpack-dev-middleware the usual way

    var webpack = require('webpack');
var webpackConfig = require('./webpack.config');
var compiler = webpack(webpackConfig);

app.use(require("webpack-dev-middleware")(compiler, {
    noInfo: true, publicPath: webpackConfig.output.publicPath
}));

  2. Add koa-webpack-hot-middleware attached to the same compiler instance

    app.use(require("koa-webpack-hot-middleware")(compiler));

And you're all set!

License

Copyright 2015 Glen Mailer.

MIT Licened.