deps: upgrade TypeScript to 2.6, close #8018

components/auto-complete/InputElement.tsx

@@ -1,7 +1,11 @@
 import React from 'react';
 import { findDOMNode } from 'react-dom';
 
-export default class InputElement extends React.Component<any, any> {
+export interface InputElementProps {
+  children: React.ReactElement<any>;
+}
+
+export default class InputElement extends React.Component<InputElementProps, any> {
   private ele: HTMLInputElement;
 
   focus = () => {
@@ -12,7 +16,7 @@ export default class InputElement extends React.Component<any, any> {
   }
   saveRef = (ele: HTMLInputElement) => {
     this.ele = ele;
-    const childRef = this.props.children.ref;
+    const { ref: childRef } = this.props.children as any;
     if (typeof childRef === 'function') {
       childRef(ele);
     }

components/input/TextArea.tsx

@@ -29,9 +29,13 @@ export interface TextAreaProps extends AbstractInputProps {
   onPressEnter?: React.FormEventHandler<any>;
 }
 
+export interface TextAreaState {
+  textareaStyles?: React.CSSProperties;
+}
+
 export type HTMLTextareaProps = React.TextareaHTMLAttributes<HTMLTextAreaElement>;
 
-export default class TextArea extends React.Component<TextAreaProps & HTMLTextareaProps, any> {
+export default class TextArea extends React.Component<TextAreaProps & HTMLTextareaProps, TextAreaState> {
   static defaultProps = {
     prefixCls: 'ant-input',
   };
@@ -39,7 +43,7 @@ export default class TextArea extends React.Component<TextAreaProps & HTMLTextar
   nextFrameActionId: number;
 
   state = {
-    textareaStyles: null,
+    textareaStyles: {},
   };
 
   private textAreaRef: HTMLTextAreaElement;

package.json

@@ -152,7 +152,7 @@
     "rimraf": "^2.5.4",
     "stylelint": "^8.0.0",
     "stylelint-config-standard": "^17.0.0",
-    "typescript": "~2.5.3",
+    "typescript": "~2.6.1",
     "unified": "^6.1.5",
     "values.js": "^1.0.3",
     "xhr2": "^0.1.3"