add preact with webpack

config/webpack.js

@@ -0,0 +1,46 @@
+const { join } = require('path');
+const setup = require('./setup');
+
+const dist = join(__dirname, '../dist');
+const exclude = /node_modules/;
+
+module.exports = env => {
+    const isProd = env && env.production;
+
+    return {
+        entry: {
+            app: './webapp/index.js',
+            vendor: [
+                'preact'
+            ]
+        },
+        output: {
+            path: dist,
+            filename: '[name].[hash].js',
+            publicPath: '/'
+        },
+        resolve: {
+            alias: {
+                'react': 'preact/aliases',
+                'react-dom': 'preact/aliases'
+            }
+        },
+        module: {
+            rules: [{
+                test: /\.jsx?$/,
+                exclude: exclude,
+                loader: 'babel-loader'
+            }]
+        },
+        plugins: setup(isProd),
+        devtool: !isProd && 'source-map',
+        devServer: {
+            contentBase: dist,
+            port: process.env.PORT || 5050,
+            historyApiFallback: true,
+            compress: isProd,
+            inline: !isProd,
+            hot: !isProd
+        }
+    };
+};