ts 遍历树形数组 找出某一项

function deepQuery(tree:any,id:any){
   let isGet = false;
   let retNode = {title:''}; 
   function deepSearch(tree:any,id:any){
     for(var i = 0;i){
        if(tree[i].children && tree[i].children.length > 0){
           deepSearch(tree[i].children,id);
        }
        if(id === tree[i].id || isGet){
            isGet || (retNode = tree[i]);
            isGet = true;
            break;
        }
      }
   }

}