Rename req.bundle => req.assets

server/middleware/utils/createAssets.js

@@ -0,0 +1,40 @@
+/**
+ * Creates an assets object that is stored on req.assets.
+ */
+function createAssets(webpackStats) {
+  const { publicPath, assetsByChunkName } = webpackStats;
+
+  /**
+   * Returns a public URL to the given asset.
+   */
+  const createURL = asset => publicPath + asset;
+
+  /**
+   * Returns an array of URLs to all assets in the given chunks.
+   */
+  const getAll = (chunks = ["main"]) =>
+    (Array.isArray(chunks) ? chunks : [chunks])
+      .reduce((memo, chunk) => memo.concat(assetsByChunkName[chunk] || []), [])
+      .map(createURL);
+
+  /**
+   * Returns an array of URLs to all JavaScript files in the given chunks.
+   */
+  const getScripts = (...chunks) =>
+    getAll(...chunks).filter(asset => /\.js$/.test(asset));
+
+  /**
+   * Returns an array of URLs to all CSS files in the given chunks.
+   */
+  const getStyles = (...chunks) =>
+    getAll(...chunks).filter(asset => /\.css$/.test(asset));
+
+  return {
+    createURL,
+    getAll,
+    getScripts,
+    getStyles
+  };
+}
+
+module.exports = createAssets;