Migrate assets to use Webpacker

config/webpack/environment.js

@@ -0,0 +1,23 @@
+const { environment } = require('@rails/webpacker')
+const erb =  require('./loaders/erb')
+const webpack = require('webpack');
+
+environment.loaders.append('scss.erb', {
+  test: /\.scss\.erb$/,
+  enforce: 'pre',
+  exclude: /node_modules/,
+  use: [
+    'style-loader',
+    'postcss-loader',
+    'sass-loader',
+    'rails-erb-loader'
+  ]
+});
+
+environment.loaders.append('erb', erb);
+
+environment.config.externals = {
+  jquery: "jQuery"
+}
+
+module.exports = environment