Only add __set__ and __get__ methods if module.exports is an extensib…

…le object
i-like-robots · Aug 14, 2015 · 49c7888 · 49c7888
1 parent 8fed346
commit 49c7888
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -33,8 +33,10 @@ module.exports = function rewireify(file, options) {
 
   function end() {
     post += "/* This code was injected by Rewireify */\n";
+    post += "if (typeof module.exports === 'object' && Object.isExtensible(module.exports)) {\n";
     post += "Object.defineProperty(module.exports, '__get__', { value: " + __get__ + ", writable: true });\n";
     post += "Object.defineProperty(module.exports, '__set__', { value: " + __set__ + ", writable: true });\n";
+    post += "}\n";
 
     this.queue(data);
     this.queue(post);