chore: rm polyfill

package.json

@@ -80,8 +80,7 @@
     "prop-types": "^15.5.6",
     "rc-animate": "2.x",
     "rc-trigger": "^2.3.0",
-    "rc-util": "^4.1.0",
-    "react-lifecycles-compat": "^3.0.2"
+    "rc-util": "^4.1.0"
   },
   "pre-commit": [
     "lint"

src/Menu.jsx

@@ -3,7 +3,6 @@ import PropTypes from 'prop-types';
 import { Provider, create } from 'mini-store';
 import { default as SubPopupMenu, getActiveKey } from './SubPopupMenu';
 import { noop } from './util';
-import { polyfill } from 'react-lifecycles-compat';
 
 class Menu extends React.Component {
   static propTypes = {
@@ -212,6 +211,4 @@ class Menu extends React.Component {
   }
 }
 
-polyfill(Menu);
-
 export default Menu;

src/SubPopupMenu.js

@@ -4,7 +4,6 @@ import { connect } from 'mini-store';
 import KeyCode from 'rc-util/lib/KeyCode';
 import createChainedFunction from 'rc-util/lib/createChainedFunction';
 import classNames from 'classnames';
-import { polyfill } from 'react-lifecycles-compat';
 import { getKeyFromChildrenIndex, loopMenuItem, noop, menuAllProps } from './util';
 import DOMWrap from './DOMWrap';
 
@@ -140,6 +139,16 @@ export class SubPopupMenu extends React.Component {
     return this.props.visible || nextProps.visible;
   }
 
+  componentDidUpdate() {
+    const props = this.props;
+    const originalActiveKey = 'activeKey' in props ? props.activeKey :
+      props.store.getState().activeKey[getEventKey(props)];
+    const activeKey = getActiveKey(props, originalActiveKey);
+    if (activeKey !== originalActiveKey) {
+      updateActiveKey(props.store, getEventKey(props), activeKey);
+    }
+  }
+
   // all keyboard events callbacks run from here at first
   onKeyDown = (e, callback) => {
     const keyCode = e.keyCode;
@@ -194,16 +203,6 @@ export class SubPopupMenu extends React.Component {
     this.props.onDestroy(key);
   };
 
-  componentDidUpdate() {
-    const props = this.props;
-    const originalActiveKey = 'activeKey' in props ? props.activeKey :
-      props.store.getState().activeKey[getEventKey(props)];
-    const activeKey = getActiveKey(props, originalActiveKey);
-    if (activeKey !== originalActiveKey) {
-      updateActiveKey(props.store, getEventKey(props), activeKey);
-    }
-  }
-
   getFlatInstanceArray = () => {
     return this.instanceArray;
   };
@@ -354,6 +353,4 @@ export class SubPopupMenu extends React.Component {
   }
 }
 
-polyfill(SubPopupMenu);
-
 export default connect()(SubPopupMenu);