Only use file hashing in production

server/middlewares/revision-helpers.js

@@ -1,31 +1,19 @@
 import manifest from '../rev-manifest.json';
 
 const __DEV__ = process.env.NODE_ENV === 'development';
-const manifestPath = '../rev-manifest.json';
 
 export default function({ globalPrepend = '' } = {}) {
 
-  function rev(manifest, scopedPrepend, asset) {
+  function rev(scopedPrepend, asset) {
+    if (__DEV__) {
+      // do not use revision in dev mode
+      return `${globalPrepend}${scopedPrepend}/${asset}`;
+    }
     return `${globalPrepend}${scopedPrepend}/${ manifest[asset] || asset }`;
   }
-  const boundRev = rev.bind(null, manifest);
 
   return function(req, res, next) {
-    // in dev environment, we reread the manifest on every call
-    // this means we do not need to restart server on every change to
-    // client code
-    if (__DEV__) {
-      // we first need to remove the manifest from require cache
-      delete require.cache[require.resolve(manifestPath)];
-      // and re-require
-      const manifest = require(manifestPath);
-      res.locals.rev = rev.bind(null, manifest);
-      return next();
-    }
-
-    // in production we take use the initially loaded manifest
-    // since this should not change in production
-    res.locals.rev = boundRev;
+    res.locals.rev = rev;
     return next();
   };
 }