Add dev and production webpack config

webpack.config.dev.js

@@ -50,5 +50,5 @@ module.exports = {
   stats: {
     colors: true,
   },
-  devtool: 'source-map',
+  devtool: 'cheap-module-eval-source-map',
 };

webpack.config.prod.js

@@ -0,0 +1,59 @@
+const path = require('path');
+const ExtractTextPlugin = require('extract-text-webpack-plugin');
+
+module.exports = {
+  mode: 'production',
+  entry: [
+    './assets/scripts/src/sholo.js',
+    './assets/styles/scss/sholo.scss',
+  ],
+  output: {
+    path: path.join(__dirname, '/assets'),
+    publicPath: '/assets/',
+    filename: 'scripts/dist/sholo.min.js',
+    libraryTarget: 'umd',
+    library: 'Sholo',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        loader: 'eslint-loader',
+        enforce: 'pre',
+        options: {
+          failOnWarning: false,
+          failOnError: true,
+        },
+      },
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        loader: 'babel-loader',
+        options: {
+          presets: ['env'],
+        },
+      },
+      {
+        test: /.scss$/,
+        loader: ExtractTextPlugin.extract([
+          {
+            loader: 'css-loader',
+            options: { minimize: true },
+          },
+          'sass-loader',
+        ]),
+      },
+    ],
+  },
+  plugins: [
+    new ExtractTextPlugin({
+      filename: 'styles/css/sholo.min.css',
+      allChunks: true,
+    }),
+  ],
+  stats: {
+    colors: true,
+  },
+  devtool: 'cheap-module-source-map',
+};