events: make sure console functions exist

If there's no global console cached, initialize it.

Fixes: https://github.com/nodejs/node/issues/4467
PR-URL: https://github.com/nodejs/node/pull/4479
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/lib/events.js b/lib/events.js
index d4c6f167ee..f57882ab6d 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -19,7 +19,20 @@ EventEmitter.prototype._maxListeners = undefined;
 
 // By default EventEmitters will print a warning if more than 10 listeners are
 // added to it. This is a useful default which helps finding memory leaks.
-EventEmitter.defaultMaxListeners = 10;
+var defaultMaxListeners = 10;
+
+Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
+  enumerable: true,
+  get: function() {
+    return defaultMaxListeners;
+  },
+  set: function(arg) {
+    // force global console to be compiled.
+    // see https://github.com/nodejs/node/issues/4467
+    console;
+    defaultMaxListeners = arg;
+  }
+});
 
 EventEmitter.init = function() {
   this.domain = null;