Awesome
Webpack Chrome Extension Reloader 
- Creates a manifest.json
- Reload only the chunk not all files.
- Restarts the chrome extension if has changed manifest.js, content_scripts.js, background.scripts
- background, content_scripts, devtools, options, popup, tab
Installation
npm install wcer --save-dev
// or
yarn add wcer --dev
Usage
Add wcer to the plugins section of your webpack configuration file.
const path = require('path');
const ChromeReloadPlugin = require('wcer');
module.exports = {
//...
plugins: [
new ChromeReloadPlugin({
port: 9090, //optional, default: 9090
manifest: path.join(__dirname, '..', 'src', 'manifest.js')
})
]
//...
}