Safer CommonJS detection... module.exports must be defined.

trevmex · Dec 1, 2010 · c86a2fe · c86a2fe
1 parent 2badecf
commit c86a2fe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/underscore.js b/underscore.js
@@ -50,7 +50,7 @@
   // Export the Underscore object for **CommonJS**, with backwards-compatibility
   // for the old `require()` API. If we're not in CommonJS, add `_` to the
   // global object.
-  if (typeof module !== 'undefined') {
+  if (typeof module !== 'undefined' && module.exports) {
     module.exports = _;
     _._ = _;
   } else {