Better dev server integration

server/middleware/utils/createBundle.js

@@ -0,0 +1,28 @@
+/**
+ * Creates a bundle object that is stored on req.bundle.
+ */
+function createBundle(webpackStats) {
+  const { publicPath, assetsByChunkName } = webpackStats;
+
+  const createURL = asset => publicPath + asset;
+
+  const getAssets = (chunks = ["main"]) =>
+    (Array.isArray(chunks) ? chunks : [chunks])
+      .reduce((memo, chunk) => memo.concat(assetsByChunkName[chunk] || []), [])
+      .map(createURL);
+
+  const getScripts = (...args) =>
+    getAssets(...args).filter(asset => /\.js$/.test(asset));
+
+  const getStyles = (...args) =>
+    getAssets(...args).filter(asset => /\.css$/.test(asset));
+
+  return {
+    createURL,
+    getAssets,
+    getScripts,
+    getStyles
+  };
+}
+
+module.exports = createBundle;