Adds an onFailure callback to delegate error handling to the app

Author: jasonmit

index.js

@@ -55,11 +55,15 @@ function fastbootExpressMiddleware(distPath, options) {
       if (error.name === "UnrecognizedURLError") {
         next();
       } else {
-        log(500, "Unknown Error: " + error.stack);
-        if (error.stack) {
-          res.status(500).send(error.stack);
+        if (typeof opts.onFailure === 'function') {
+          opts.onFailure(error, req, res, next);
         } else {
-          res.sendStatus(500);
+          log(500, "Unknown Error: " + error.stack);
+          if (error.stack) {
+            res.status(500).send(error.stack);
+          } else {
+            res.sendStatus(500);
+          }
         }
       }
     }

package.json

@@ -4,7 +4,8 @@
   "description": "An Express middleware for rendering Ember apps with FastBoot",
   "main": "index.js",
   "scripts": {
-    "test": "mocha"
+    "test": "./node_modules/mocha/bin/mocha",
+    "test:watch": "./node_modules/mocha/bin/mocha -w"
   },
   "repository": {
     "type": "git",