Add js-routes to use Route helpers in JavaScript

config/webpack/loaders/erb.js

@@ -0,0 +1,16 @@
+module.exports = {
+    test: /\.erb$/,
+    enforce: "pre",
+    exclude: /node_modules/,
+
+    use: [{
+        loader: "rails-erb-loader",
+        options: {
+            runner: (/^win/.test(process.platform) ? "ruby " : "") + "bin/rails runner",
+            env: {
+                ...process.env,
+                DISABLE_SPRING: 1,
+            },
+        },
+    }],
+}