From a7a777dd94b4ec5725ddb8512c60d8967b07fd95 Mon Sep 17 00:00:00 2001
From: "qingwei.li" <cinwell.li@gmail.com>
Date: Thu, 13 Oct 2016 18:06:15 +0800
Subject: [PATCH] optimize clickoutside

---
 src/utils/clickoutside.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/utils/clickoutside.js b/src/utils/clickoutside.js
index 32550cb58..63a45992d 100644
--- a/src/utils/clickoutside.js
+++ b/src/utils/clickoutside.js
@@ -1,5 +1,9 @@
-import { on, off } from 'wind-dom/src/event';
+import { on } from 'wind-dom/src/event';
 
+const nodeList = [];
+on(document, 'click', e => {
+  nodeList.forEach(node => node[clickoutsideContext].documentHandler(e));
+});
 /**
  * v-clickoutside
  * @desc 点击元素外面才会触发的事件
@@ -12,6 +16,7 @@ const clickoutsideContext = '@@clickoutsideContext';
 
 export default {
   bind(el, binding, vnode) {
+    const id = nodeList.push(el) - 1;
     const documentHandler = function(e) {
       if (!vnode.context ||
         el.contains(e.target) ||
@@ -24,11 +29,11 @@ export default {
       }
     };
     el[clickoutsideContext] = {
+      id,
       documentHandler,
       methodName: binding.expression,
       bindingFn: binding.value
     };
-    on(document, 'click', documentHandler);
   },
 
   update(el, binding) {
@@ -37,7 +42,7 @@ export default {
   },
 
   unbind(el) {
-    off(document, 'click', el[clickoutsideContext].documentHandler);
+    nodeList.splice(el[clickoutsideContext].id, 1);
   },
 
   install(Vue) {