crm-app-vue3/utils/hideNav.js

import { is_weixin } from "@/utils/util.js";
const hideNav = {
    install (app) {
        app.directive('hideNav', {
            mounted(el, binding) {
				if(is_weixin()){
					el.remove();
				}
            },
        })
    }
}
export default hideNav;