From 85ee62cb0d58f88b9c66fcaf40465e6147a39068 Mon Sep 17 00:00:00 2001
From: Vojta Jina <vojta.jina@gmail.com>
Date: Thu, 9 Oct 2014 15:17:53 -0700
Subject: [PATCH] chore(transpiler): show filepath when error happens

---
 tools/transpiler/gulp-traceur.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/transpiler/gulp-traceur.js b/tools/transpiler/gulp-traceur.js
index e59390a1d0..cf1a91b0a3 100644
--- a/tools/transpiler/gulp-traceur.js
+++ b/tools/transpiler/gulp-traceur.js
@@ -20,6 +20,7 @@ function gulpTraceur(options, resolveModuleName) {
     }
 
     try {
+      var originalFilePath = file.history[0];
       var moduleName = resolveModuleName ? resolveModuleName(file.relative) : null;
       var compiled = compiler.compile(options, {
         inputPath: file.relative,
@@ -33,6 +34,7 @@ function gulpTraceur(options, resolveModuleName) {
       if (errors.join) {
          throw new Error('gulp-traceur: '+errors.join('\n'));
       } else {
+        console.error('Error when transpiling:\n  ' + originalFilePath);
         throw errors;
       }
     }