update code style

components/affix/index.jsx

@@ -1,13 +1,13 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import rcUtil from 'rc-util';
+import { Dom } from 'rc-util';
 import classNames from 'classnames';
 
 function getScroll(w, top) {
   let ret = w[`page${top ? 'Y' : 'X'}Offset`];
-  let method = `scroll${top ? 'Top' : 'Left'}`;
+  const method = `scroll${top ? 'Top' : 'Left'}`;
   if (typeof ret !== 'number') {
-    let d = w.document;
+    const d = w.document;
     // ie6,7,8 standard mode
     ret = d.documentElement[method];
     if (typeof ret !== 'number') {
@@ -19,42 +19,42 @@ function getScroll(w, top) {
 }
 
 function getOffset(element) {
-  let rect = element.getBoundingClientRect();
-  let body = document.body;
-  let clientTop = element.clientTop || body.clientTop || 0;
-  let clientLeft = element.clientLeft || body.clientLeft || 0;
-  let scrollTop = getScroll(window, true);
-  let scrollLeft = getScroll(window);
+  const rect = element.getBoundingClientRect();
+  const body = document.body;
+  const clientTop = element.clientTop || body.clientTop || 0;
+  const clientLeft = element.clientLeft || body.clientLeft || 0;
+  const scrollTop = getScroll(window, true);
+  const scrollLeft = getScroll(window);
 
   return {
     top: rect.top + scrollTop - clientTop,
-    left: rect.left + scrollLeft - clientLeft
+    left: rect.left + scrollLeft - clientLeft,
   };
 }
 
-let Affix = React.createClass({
+const Affix = React.createClass({
 
   getDefaultProps() {
     return {
-      offset: 0
+      offset: 0,
     };
   },
 
   propTypes: {
-    offset: React.PropTypes.number
+    offset: React.PropTypes.number,
   },
 
   getInitialState() {
     return {
       affix: false,
-      affixStyle: null
+      affixStyle: null,
     };
   },
 
   handleScroll() {
-    let affix = this.state.affix;
-    let scrollTop = getScroll(window, true);
-    let elemOffset = getOffset(ReactDOM.findDOMNode(this));
+    const affix = this.state.affix;
+    const scrollTop = getScroll(window, true);
+    const elemOffset = getOffset(ReactDOM.findDOMNode(this));
 
     if (!affix && (elemOffset.top - this.props.offset) < scrollTop) {
       this.setState({
@@ -62,22 +62,22 @@ let Affix = React.createClass({
         affixStyle: {
           top: this.props.offset,
           left: elemOffset.left,
-          width: ReactDOM.findDOMNode(this).offsetWidth
-        }
+          width: ReactDOM.findDOMNode(this).offsetWidth,
+        },
       });
     }
 
     if (affix && (elemOffset.top - this.props.offset) > scrollTop) {
       this.setState({
         affix: false,
-        affixStyle: null
+        affixStyle: null,
       });
     }
   },
 
   componentDidMount() {
-    this.scrollEvent = rcUtil.Dom.addEventListener(window, 'scroll', this.handleScroll);
-    this.resizeEvent = rcUtil.Dom.addEventListener(window, 'resize', this.handleScroll);
+    this.scrollEvent = Dom.addEventListener(window, 'scroll', this.handleScroll);
+    this.resizeEvent = Dom.addEventListener(window, 'resize', this.handleScroll);
   },
 
   componentWillUnmount() {
@@ -92,7 +92,7 @@ let Affix = React.createClass({
   render() {
     const className = classNames({
       [this.props.className]: this.props.className,
-      'ant-affix': this.state.affix
+      'ant-affix': this.state.affix,
     });
 
     return (
@@ -102,7 +102,7 @@ let Affix = React.createClass({
         </div>
       </div>
     );
-  }
+  },
 
 });
 

style/components/affix.less

@@ -1,3 +1,4 @@
 .ant-affix {
   position: fixed;
+  z-index: 10;
 }