@moyi.rk/template-vue-element-admin/template/src/directive/permission/index.js

vue2 element admin template

import permission from './permission'

const install = function(Vue) {
  Vue.directive('permission', permission)
}

if (window.Vue) {
  window['permission'] = permission
  Vue.use(install); // eslint-disable-line
}

permission.install = install
export default permission