From 71fc0774c01cbb99a9805d3aa655625870e351ec Mon Sep 17 00:00:00 2001
From: Leon Shi <superRaytin@gmail.com>
Date: Tue, 7 Jun 2016 17:54:06 +0800
Subject: [PATCH] implement shouldComponentUpdate to make the re-render much
 faster for Checkbox

---
 components/checkbox/Group.jsx | 4 ++++
 components/checkbox/index.jsx | 4 ++++
 package.json                  | 1 +
 3 files changed, 9 insertions(+)

diff --git a/components/checkbox/Group.jsx b/components/checkbox/Group.jsx
index 49089a261c..5ec570d40d 100644
--- a/components/checkbox/Group.jsx
+++ b/components/checkbox/Group.jsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import Checkbox from './index';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 
 export default class CheckboxGroup extends React.Component {
   static defaultProps = {
@@ -30,6 +31,9 @@ export default class CheckboxGroup extends React.Component {
       });
     }
   }
+  shouldComponentUpdate(...args) {
+    return PureRenderMixin.shouldComponentUpdate.apply(this, args);
+  }
   getOptions() {
     const { options } = this.props;
     return options.map(option => {
diff --git a/components/checkbox/index.jsx b/components/checkbox/index.jsx
index aa774a589f..9bca526e12 100644
--- a/components/checkbox/index.jsx
+++ b/components/checkbox/index.jsx
@@ -2,12 +2,16 @@ import RcCheckbox from 'rc-checkbox';
 import React from 'react';
 import CheckboxGroup from './Group';
 import classNames from 'classnames';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 
 export default class Checkbox extends React.Component {
   static Group = CheckboxGroup;
   static defaultProps = {
     prefixCls: 'ant-checkbox',
   }
+  shouldComponentUpdate(...args) {
+    return PureRenderMixin.shouldComponentUpdate.apply(this, args);
+  }
   render() {
     const { prefixCls, style, children, className, ...restProps } = this.props;
     const classString = classNames({
diff --git a/package.json b/package.json
index e158df8259..f23cf36f6c 100644
--- a/package.json
+++ b/package.json
@@ -70,6 +70,7 @@
     "rc-upload": "~1.13.0",
     "rc-util": "~3.1.3",
     "react-slick": "~0.12.0",
+    "react-addons-pure-render-mixin": "~15.1.0",
     "warning": "~3.0.0"
   },
   "devDependencies": {