server/apps/updatenotification/webpack.js

const path = require('path');
const { VueLoaderPlugin } = require('vue-loader');

module.exports = {
	entry: path.join(__dirname, 'src', 'init.js'),
	output: {
		path: path.resolve(__dirname, './js'),
		publicPath: '/js/',
		filename: 'updatenotification.js'
	},
	module: {
		rules: [
			{
				test: /\.vue$/,
				loader: 'vue-loader'
			},
			{
				test: /\.js$/,
				loader: 'babel-loader',
				exclude: /node_modules/
			},
			{
				test: /\.s[a|c]ss$/,
				loader: 'style-loader!css-loader!sass-loader'
			}
		]
	},
	plugins: [new VueLoaderPlugin()],
	resolve: {
		extensions: ['*', '.js', '.vue', '.json']
	}
};