chore: Update ts define

Author: zombieJ

src/DropdownMenu.tsx

@@ -1,6 +1,9 @@
 import Menu, { MenuItem } from 'rc-menu';
 import * as React from 'react';
-import { MentionsContextConsumer, MentionsContextProps } from './MentionsContext';
+import {
+  MentionsContextConsumer,
+  MentionsContextProps,
+} from './MentionsContext';
 import { OptionProps } from './Option';
 
 interface DropdownMenuProps {
@@ -28,7 +31,7 @@ class DropdownMenu extends React.Component<DropdownMenuProps, {}> {
       <Menu
         prefixCls={`${prefixCls}-menu`}
         activeKey={activeOption.value}
-        onSelect={({ key }: { key: string }) => {
+        onSelect={({ key }: { key: React.Key }) => {
           const option = options.find(({ value }) => value === key);
           selectOption(option);
         }}
@@ -58,7 +61,9 @@ class DropdownMenu extends React.Component<DropdownMenuProps, {}> {
   };
 
   public render() {
-    return <MentionsContextConsumer>{this.renderDropdown}</MentionsContextConsumer>;
+    return (
+      <MentionsContextConsumer>{this.renderDropdown}</MentionsContextConsumer>
+    );
   }
 }
 

src/KeywordTrigger.tsx

@@ -32,18 +32,27 @@ interface KeywordTriggerProps {
   visible?: boolean;
   transitionName?: string;
   getPopupContainer?: () => HTMLElement;
+  children?: React.ReactElement;
 }
 
 class KeywordTrigger extends React.Component<KeywordTriggerProps, {}> {
   public getDropdownPrefix = () => `${this.props.prefixCls}-dropdown`;
 
   public getDropdownElement = () => {
     const { options } = this.props;
-    return <DropdownMenu prefixCls={this.getDropdownPrefix()} options={options} />;
+    return (
+      <DropdownMenu prefixCls={this.getDropdownPrefix()} options={options} />
+    );
   };
 
   public render() {
-    const { children, visible, placement, transitionName, getPopupContainer } = this.props;
+    const {
+      children,
+      visible,
+      placement,
+      transitionName,
+      getPopupContainer,
+    } = this.props;
 
     const popupElement = this.getDropdownElement();