From efa776ffe0b486276ecca290bcb50a5c730a679f Mon Sep 17 00:00:00 2001
From: duart38 <mr.codercuracao@gmail.com>
Date: Wed, 5 Aug 2020 14:03:27 +0200
Subject: [PATCH] bundle update

---
 Observe.bundle.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Observe.bundle.js b/Observe.bundle.js
index 4447658..ef24a22 100644
--- a/Observe.bundle.js
+++ b/Observe.bundle.js
@@ -124,9 +124,9 @@ System.register("Observe", [], function (exports_1, context_1) {
                 getHistory() {
                     return this.history;
                 }
-                bind(callback) {
+                bind(callback, once = false) {
                     let func = (e) => callback(e.detail);
-                    addEventListener(this.eventID, func);
+                    addEventListener(this.eventID, func, { once });
                     return func;
                 }
                 unBind(callback) {