Vue3自定义全局指令

import useStore from "@/store"

export default (app) => {
    app.directive('auth', {
        mounted(el, binding) {
            hasAuth(el, binding)
        }
    })
}

const hasAuth = (el, binding) => {
    const { user } = useStore()
    const { value } = binding
    if (!value) return
    if (!user.hasPermission(value)) {
        el.parentNode?.removeChild(el)
    }
}

import auth from './auth'

export default (app) => {
    auth(app)
}

const app = createApp(App)
import directive from "@/utils/directives"
directive(app)

<el-button v-auth="'user_xxxx'">功能按钮</el-button>