Magento 2 Standard Category Menu to Boostrap menu without changing templates

M2Menu2Boostrap.js

/**
     * Magento 2 Menu to Boostrap 3 - Requires Boostrap.js  and Boostrap-submenu.js (https://github.com/vsn4ik/bootstrap-submenu)
     * @type {{_init: createMenu._init, _addHamburger: createMenu._addHamburger, _addWrappers: createMenu._addWrappers, _modifyToggle: createMenu._modifyToggle, _hookEvents: createMenu._hookEvents, _destroy: createMenu._destroy}}
     */
    var createMenu =
    {
        hamburger:false,
        id:'navbar',
        _init : function(hamburger,id) {

            this.id = id;
            this.hamburger = hamburger;

            this._addWrappers();

            if(this.hamburger)
            {
                this._addHamburger();
            }
            this._modifyToggle();
            this._hookEvents();

        },
        _addHamburger : function(){

            var burger = '<div class="navbar-header"><button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#'+this.id+'">'
                + '<span class="icon-bar"></span>'
                + '<span class="icon-bar"></span>'
                + '<span class="icon-bar"></span>'
                + '</button>';

            $('.navigation').prepend(burger);
        },
        _addWrappers: function(){
            $('.navigation')
                .addClass('navbar navbar-default');


            $('.navigation ul:first-child')
                .addClass('nav navbar-nav')
                .wrap('<div class="container-fluid"></div>')
                .removeAttr('data-mage-init');

            $('.navigation .container-fluid').wrap('<div class="collapse navbar-collapse" id="'+this.id+'"></div>');
        },
        _modifyToggle : function () {
            $('.navigation .level0.parent').addClass('dropdown');
            $('.navigation .parent:not(".level0")').addClass('dropdown-submenu');
            $('.navigation .parent > a').each(function() {
                $(this).attr('data-toggle', 'dropdown')
                    .addClass('dropdown-toggle')
                    .next('ul').addClass('dropdown-menu');
            });
        },
        _hookEvents:function(){
            // if desktop menu show on hover
            if ($(window).width() > 767) {
                $('.navigation ul li.dropdown,.navigation ul li.dropdown-submenu').hover(function () {
                    $(this).children('.dropdown-menu').first().show();
                }, function () {
                    $(this).children('.dropdown-menu').first().hide();
                });
            }
            $('.dropdown-toggle').click(function() {
                if ($(this).next('.dropdown-menu').first().is(':visible')) {
                    window.location = $(this).attr('href');
                }
            });
        },
        _destroy:function(){

        }
    };

    // convert to bootstrap menu
    createMenu._init(true, 'navbar');
    $( window ).resize(function() {
        createMenu._hookEvents();
    });