1 files changed, 5 insertions, 0 deletions
diff --git a/Gruntfile.js b/Gruntfile.js
index 73c5215..25855ac 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -44,6 +44,11 @@ module.exports = function(grunt) {
     },
 
     babel: {
+      options: {
+        sourceMaps: 'inline',
+        loose: ['es6.modules'],
+        auxiliaryCommentBefore: 'istanbul ignore next'
+      },
       cjs: {
         options: {
           modules: 'common'