feat: add type

components/tree/Tree.tsx

@@ -91,8 +91,8 @@ export interface AntTreeNodeDropEvent {
 // [Legacy] Compatible for v3
 export type TreeNodeNormal = DataNode;
 
-export interface TreeProps extends Omit<RcTreeProps, 'prefixCls'> {
-  showLine?: boolean;
+export interface TreeProps extends Omit<RcTreeProps, 'prefixCls' | 'showLine'> {
+  showLine?: boolean | { hideLeafIcon: boolean };
   className?: string;
   /** 是否支持多选 */
   multiple?: boolean;

components/tree/utils/iconUtil.tsx

@@ -11,7 +11,7 @@ import { isValidElement, cloneElement } from '../../_util/reactNode';
 export default function renderSwitcherIcon(
   prefixCls: string,
   switcherIcon: React.ReactNode | null | undefined,
-  showLine: boolean | undefined,
+  showLine: boolean | { hideLeafIcon: boolean } | undefined,
   { isLeaf, expanded, loading }: AntTreeNodeProps,
 ) {
   if (loading) {