"use strict";
var tid = setInterval(function() {
  if ("complete" === document.readyState) {
    clearInterval(tid);
    var a = document.querySelector.bind(document),
      b = document.querySelector(".vertical_nav"),
      c = document.querySelector(".wrapper"),
      d = document.getElementById("js-menu"),
      e = d.querySelectorAll(".menu--item__has_sub_menu");
    a(".toggle_menu").onclick = function() {
      b.classList.toggle("vertical_nav__opened"), c.classList.toggle("toggle-content")
    }, a(".collapse_menu").onclick = function() {
      b.classList.toggle("vertical_nav__minify"), c.classList.toggle("wrapper__minify");
      for (var a = 0; a < e.length; a++) e[a].classList.remove("menu--subitens__opened")
    };
    for (var f = 0; f < e.length; f++) e[f].classList.contains("menu--item__has_sub_menu") && e[f].querySelector(".menu--link").addEventListener("click", function(a) {
      for (var b = 0; b < e.length; b++) a.target.offsetParent != e[b] && e[b].classList.remove("menu--subitens__opened");
      a.target.offsetParent.classList.toggle("menu--subitens__opened")
    }, !1)
  }
}, 100);

<button id="collapse_menu" class="collapse_menu">
<i class="uil uil-bars collapse_menu--icon "></i>
<span class="collapse_menu--label"></span>
</button>