SOURCE

// 递归
function loopChildren (arr, callback) {
  if (!arr) return
  arr.forEach(item => {
    if (item.children && item.children.length > 0) {
      loopChildren(item.children, callback)
    }
    callback(item)
  })
}

const arr = [
        {
        path: '/group',
        name: 'Group',
        redirect: '/group/grouping',
        meta: {
            isShow: true,
            title: '群组',
            icon: 'el-icon-s-grid',
            isLink: '',
            isHide: false,
            isKeepAlive: true,
            isAffix: true,
            isIframe: false,
        },
        component: () => import('../views/routerView/parent.vue'),
        children:[
        {
            path: '/group/department',
            name: 'Department',
            meta: {
                isShow: true,
                title: '部门',
                icon: 'el-icon-phone',
                isLink: '',
                isHide: false,
                isKeepAlive: true,
                isAffix: true,
                isIframe: false,
            },
            component: () => import('../views/group/department.vue')
        }
        ]
    }
]


const newArr = []
// 递归填充
loopChildren(arr, item => {
    const { path, meta: { title, icon, isShow, isLink, isIframe, children } } = item
    newArr.push({
        title,
        icon,
        path,
        isShow,
        isLink,
        isIframe
    })
})

console.log(newArr)