ensure promise#error emits instanceof Error

Automattic · Jun 7, 2012 · e5e01ad · e5e01ad
1 parent 8465724
commit e5e01ad
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/promise.js b/lib/promise.js
@@ -76,9 +76,9 @@ Promise.prototype.complete = function () {
  * @api public
  */
 
-Promise.prototype.error = function () {
+Promise.prototype.error = function (err) {
-  var args = util.args(arguments);
+  if (!(err instanceof Error)) err = new Error(err);
-  return this.emit.apply(this, ['err'].concat(args));
+  return this.emit('err', err);
 };
 
 /**