i want codepen to angular component for this template

Question

i want to use this in angular component i tried alot of diffeent method already but got confused even more someone give simple solution please.

    var app = function () {
        var body = undefined;
        var menu = undefined;
        var menuItems = undefined;
        var init = function init() {
            body = document.querySelector('body');
            menu = document.querySelector('.menu-icon');
            menuItems = document.querySelectorAll('.nav__list-item');
            applyListeners();
        };
        var applyListeners = function applyListeners() {
            menu.addEventListener('click', function () {
                return toggleClass(body, 'nav-active');
            });
        };
        var toggleClass = function toggleClass(element, stringClass) {
            if (element.classList.contains(stringClass)) element.classList.remove(stringClass);else element.classList.add(stringClass);
        };
        init();
    }();

    
    

/* Please ❤ this if you like it! */


@import url('https://fonts.googleapis.com/css?family=Montserrat:100,100i,200,200i,300,300i,400,400i,500,500i,600,600i,700,700i,800,800i,900,900i');

body{
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 15px;
    line-height: 1.7;
    color: #c4c3ca;
    background-color: black;
    overflow-x: hidden;
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear;
}
a {
    cursor: pointer;
}
a:hover {
    text-decoration: none;
}

/* #Primary style
================================================== */

.section {
    position: relative;
    width: 100%;
    display: block;
}
.over-hide{
    overflow: hidden;
}
.full-height {
    height: 100vh;
}

/* #Navigation
================================================== */
 
.cd-header{
    position: fixed;
    width:100%;
    top:0;
    left:0;
    z-index:100;
} 
.header-wrapper{
    position: relative;
    width: calc(100% - 100px);
    margin-left: 50px;
} 
.logo-wrap {
    position: absolute;
    display:block;
    left:0;
    top: 40px;
    cursor: pointer;
}
.logo-wrap a {
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 20px;
    line-height: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #fff;
    transition : all 0.3s ease-out;
}
.logo-wrap a span{ 
    color: #8167a9;
}
.logo-wrap a:hover {
    opacity: 0.9;
}
.nav-but-wrap{ 
    position: relative;
    display: inline-block;
    float: right;
    padding-left: 15px;
    padding-top: 15px;
    margin-top: 26px;
    transition : all 0.3s ease-out;
}
.menu-icon {
    height: 30px;
    width: 30px;
    position: relative;
    z-index: 2;
    cursor: pointer;
    display: block;
}
.menu-icon__line {
    height: 2px;
    width: 30px;
    display: block;
    background-color: #fff;
    margin-bottom: 7px;
    cursor: pointer;
    -webkit-transition: background-color .5s ease, -webkit-transform .2s ease;
    transition: background-color .5s ease, -webkit-transform .2s ease;
    transition: transform .2s ease, background-color .5s ease;
    transition: transform .2s ease, background-color .5s ease, -webkit-transform .2s ease;
}
.menu-icon__line-left {
    width: 16.5px;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}
.menu-icon__line-right {
    width: 16.5px;
    float: right;
    -webkit-transition: all 200ms linear;
    -moz-transition: all 200ms linear;
    -o-transition: all 200ms linear;
    -ms-transition: all 200ms linear;
    transition: all 200ms linear;
}
.menu-icon:hover .menu-icon__line-left,
.menu-icon:hover .menu-icon__line-right {
    width: 30px;
}
.nav {
    position: fixed;
    z-index: 98;
}
.nav:before, .nav:after {
    content: "";
    position: fixed;
    width: 100vw;
    height: 100vh;
    background: rgba(20, 21, 26,0.6);
    border-bottom-left-radius: 200%;
    z-index: -1;
    -webkit-transition: -webkit-transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, border-radius linear 0.8s;
    transition: -webkit-transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, border-radius linear 0.8s;
    transition: transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, border-radius linear 0.8s;
    transition: transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, -webkit-transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, border-radius linear 0.8s;
    -webkit-transform: translateX(100%) translateY(-100%);
          transform: translateX(100%) translateY(-100%);
}
.nav:after {
    background: rgba(9,9,12,1);
    -webkit-transition-delay: 0s;
          transition-delay: 0s;
}
.nav:before {
    -webkit-transition-delay: .2s;
          transition-delay: .2s;
}
.nav__content {
    position: fixed;
    visibility: hidden;
    top: 50%;
    margin-top: 20px;
    -webkit-transform: translate(0%, -50%);
          transform: translate(0%, -50%);
    width: 100%;
    text-align: center;
}
.nav__list {
    position: relative;
    padding: 0;
    margin: 0;
    z-index: 2;
}
.nav__list-item {
    position: relative;
    display: block;
    -webkit-transition-delay: 0.8s;
          transition-delay: 0.8s;
    opacity: 0;
    text-align: center;
    color: #fff;
    overflow: hidden; 
    font-family: 'Montserrat', sans-serif;
    font-size: 8vh;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: 3px;
    -webkit-transform: translate(100px, 0%);
          transform: translate(100px, 0%);
    -webkit-transition: opacity .2s ease, -webkit-transform .3s ease;
    transition: opacity .2s ease, -webkit-transform .3s ease;
    transition: opacity .2s ease, transform .3s ease;
    transition: opacity .2s ease, transform .3s ease, -webkit-transform .3s ease;
    margin-top: 0;
    margin-bottom: 0;
}
.nav__list-item a{ 
    position: relative;
    text-decoration: none;
    color: rgba(255,255,255,0.6);
    overflow: hidden; 
    cursor: pointer;
    padding-left: 5px;
    padding-right: 5px;
    font-weight: 900;
    z-index: 2;
    display: inline-block;
    text-transform: uppercase;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear; 
}
.nav__list-item a:after{ 
    position: absolute;
    content: '';
    top: 50%;
    margin-top: -2px;
    left: 50%;
    width: 0;
    height: 0;
    opacity: 0;
    background-color: #8167a9;
    z-index: 1;
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear; 
}
.nav__list-item a:hover:after{ 
    height: 4px;
    opacity: 1;
    left: 0;
    width: 100%;
}
.nav__list-item a:hover{
    color: rgba(255,255,255,1);
}
.nav__list-item.active-nav a{
    color: rgba(255,255,255,1);
}
.nav__list-item.active-nav a:after{ 
    height: 4px;
    opacity: 1;
    left: 0;
    width: 100%;
}
body.nav-active .nav__content {
    visibility: visible;
}
body.nav-active .menu-icon__line {
    background-color: #fff;
    -webkit-transform: translate(0px, 0px) rotate(-45deg);
          transform: translate(0px, 0px) rotate(-45deg);
}
body.nav-active .menu-icon__line-left {
    width: 15px;
    -webkit-transform: translate(2px, 4px) rotate(45deg);
          transform: translate(2px, 4px) rotate(45deg);
}
body.nav-active .menu-icon__line-right {
    width: 15px;
    float: right;
    -webkit-transform: translate(-3px, -3.5px) rotate(45deg);
          transform: translate(-3px, -3.5px) rotate(45deg);
}
body.nav-active .menu-icon:hover .menu-icon__line-left,
body.nav-active .menu-icon:hover .menu-icon__line-right {
    width: 15px;
}
body.nav-active .nav {
    visibility: visible;
}
body.nav-active .nav:before, body.nav-active .nav:after {
    -webkit-transform: translateX(0%) translateY(0%);
          transform: translateX(0%) translateY(0%);
    border-radius: 0;
}
body.nav-active .nav:after {
    -webkit-transition-delay: .1s;
          transition-delay: .1s;
}
body.nav-active .nav:before {
    -webkit-transition-delay: 0s;
          transition-delay: 0s;
}
body.nav-active .nav__list-item {
    opacity: 1;
    -webkit-transform: translateX(0%);
          transform: translateX(0%);
    -webkit-transition: opacity .3s ease, color .3s ease, -webkit-transform .3s ease;
    transition: opacity .3s ease, color .3s ease, -webkit-transform .3s ease;
    transition: opacity .3s ease, transform .3s ease, color .3s ease;
    transition: opacity .3s ease, transform .3s ease, color .3s ease, -webkit-transform .3s ease;
}
body.nav-active .nav__list-item:nth-child(0) {
    -webkit-transition-delay: 0.7s;
          transition-delay: 0.7s;
}
body.nav-active .nav__list-item:nth-child(1) {
    -webkit-transition-delay: 0.8s;
          transition-delay: 0.8s;
}
body.nav-active .nav__list-item:nth-child(2) {
    -webkit-transition-delay: 0.9s;
          transition-delay: 0.9s;
}
body.nav-active .nav__list-item:nth-child(3) {
    -webkit-transition-delay: 1s;
          transition-delay: 1s;
}
body.nav-active .nav__list-item:nth-child(4) {
    -webkit-transition-delay: 1.1s;
          transition-delay: 1.1s;
}
body.nav-active .nav__list-item:nth-child(5) {
    -webkit-transition-delay: 1.2s;
          transition-delay: 1.2s;
}
body.nav-active .nav__list-item:nth-child(6) {
    -webkit-transition-delay: 1.3s;
          transition-delay: 1.3s;
}
body.nav-active .nav__list-item:nth-child(7) {
    -webkit-transition-delay: 1.4s;
          transition-delay: 1.4s;
}
body.nav-active .nav__list-item:nth-child(8) {
    -webkit-transition-delay: 1.5s;
          transition-delay: 1.5s;
}
body.nav-active .nav__list-item:nth-child(9) {
    -webkit-transition-delay: 1.6s;
          transition-delay: 1.6s;
}
body.nav-active .nav__list-item:nth-child(10) {
    -webkit-transition-delay: 1.7s;
          transition-delay: 1.7s;
}

    <header class="cd-header">
        <div class="header-wrapper">
            <div class="logo-wrap">
                <a href="#" class="hover-target"><span>your</span>logo</a>
            </div>
            <div class="nav-but-wrap">
                <div class="menu-icon hover-target">
                    <span class="menu-icon__line menu-icon__line-left"></span>
                    <span class="menu-icon__line"></span>
                    <span class="menu-icon__line menu-icon__line-right"></span>
                </div>                  
            </div>                  
        </div>              
    </header>

    <div class="nav">
        <div class="nav__content">
            <ul class="nav__list">
                <li class="nav__list-item active-nav"><a href="#" class="hover-target">home</a></li>
                <li class="nav__list-item"><a href="#" class="hover-target">studio</a></li>
                <li class="nav__list-item"><a href="#" class="hover-target">news</a></li>
                <li class="nav__list-item"><a href="#" class="hover-target">contact</a></li>
            </ul>
        </div>
    </div>