Expose Emitter if module exists

socketio · Feb 9, 2016 · 61fdd20 · 61fdd20
1 parent 4d18307
commit 61fdd20
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -3,7 +3,9 @@
  * Expose `Emitter`.
  */
 
-module.exports = Emitter;
+if (typeof module !== 'undefined') {
+  module.exports = Emitter;
+}
 
 /**
  * Initialize a new `Emitter`.