#12 fix addObserver函数异常错误

2020-07-27 17:27:32 +08:00
parent 506f8ddc0f
commit 60921f703b
6 changed files with 71 additions and 52 deletions
--- a/source/src/Utils/Emitter.ts
+++ b/source/src/Utils/Emitter.ts
@@ -36,7 +36,7 @@ module es {
                this._messageTable.set(eventType, list);
            }

-            if (list.contains(handler))
+            if (list.findIndex(funcPack => funcPack.func == handler) != -1)
                console.warn("您试图添加相同的观察者两次");
            list.push(new FuncPack(handler, context));
        }