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2022-12-05 23:01:12 +08:00
<script lang="ts">
import { h, defineComponent, VNode } from 'vue'
import { usePermissionsStore } from '/admin/stores/modules/user/permissions'
import MenuItem from './item.vue'
import menus from './menus.vue'
import { useUserStore } from '/admin/stores/modules/user'
import { Menu } from '/admin/types/Menu'
/**
* 递归渲染 Menu 节点
*/
function getVNodes(menus: Menu[] | undefined, _subMenuClass: string | undefined): VNode[] {
const vnodes: VNode[] = []
menus?.forEach(menu => {
if (!menu.meta?.hidden) {
let vnode: VNode
const len = menu.children?.length
if (len) {
vnode = h(
MenuItem,
{
subMenuClass: _subMenuClass,
menu,
},
{
default: () => getVNodes(menu.children, 'children-menu'),
},
)
} else {
vnode = h(MenuItem, {
subMenuClass: _subMenuClass,
menu,
})
}
vnodes.push(vnode)
}
})
return vnodes
}
/**
* filter menus
*
* @param menus
*/
function filterMenus(menus: Menu[] | undefined): Menu[] {
const newMenus: Menu[] = []
menus?.forEach(m => {
if (m.meta?.hidden) {
return false
}
if (isHasOnlyChild(m) && m.children?.length) {
newMenus.push(
Object.assign({
path: m.children[0].path,
meta: m.children[0].meta,
name: m.name,
}),
)
} else {
newMenus.push(m)
}
})
return newMenus
}
/**
* is has only child
*
* @param menu
*/
function isHasOnlyChild(menu: Menu): boolean {
if (menu.children === undefined) {
return true
}
if (menu.children.length > 1 || !menu.children.length) {
return false
}
if (menu.children[0].children?.length) {
return false
}
return true
}
export default defineComponent({
props: {
subMenuClass: {
type: String,
require: true,
},
menuClass: {
type: String,
require: true,
},
},
setup(props, ctx) {
const permissionsStore = usePermissionsStore()
const userStore = useUserStore()
// 后端的 permissions 返回 undefined则认为该后端无权限系统
const permissions = userStore.getPermissions === undefined ? [] : userStore.getPermissions
const vnodes = getVNodes(filterMenus(permissionsStore.getMenusFrom(permissions)), props.subMenuClass)
return () => {
return h(
menus,
{
class: 'border-none side-menu ' + props.menuClass,
},
{
default: () => vnodes,
},
)
}
},
})
</script>