npm and error messages

node_modules/faye-websocket/lib/faye/websocket/api/event_target.js

@@ -0,0 +1,28 @@
+var Event = require('./event');
+
+var EventTarget = {
+  onopen:     null,
+  onmessage:  null,
+  onerror:    null,
+  onclose:    null,
+
+  addEventListener: function(eventType, listener, useCapture) {
+    this.on(eventType, listener);
+  },
+
+  removeEventListener: function(eventType, listener, useCapture) {
+    this.removeListener(eventType, listener);
+  },
+
+  dispatchEvent: function(event) {
+    event.target = event.currentTarget = this;
+    event.eventPhase = Event.AT_TARGET;
+
+    if (this['on' + event.type])
+      this['on' + event.type](event);
+
+    this.emit(event.type, event);
+  }
+};
+
+module.exports = EventTarget;