Criar um scroll suave html

Estou tentando criar um scroll suave mais por algum motivo não esta indo

Quem puder ajudar eu agradeço

MENU

	<div class="navigation">

	    <nav class="menu">

	        <div class="logo">

	            <span>Gamer Lovers</span>

	        </div>

	            <ul>

	                <li><a href="index.html">Inicio</a></li>

	                <li><a href="#quem-somos">Quem Somos</a></li>

	                <li><a href="https://web.whatsapp.com/send?phone=*************"

	                    target="_blank">Contato</a></li>

	                <li><a href="#">Entrar</a></li>

	            </ul>

	    </nav>

	</div>

	 

	 

	JAVASCRIPT

	const menuLinks = document.querySelectorAll('.menu a[href^="#"]');

	 

	function getDistanceFromTheTop(element) {

	  const id = element.getAttribute("href");

	  return document.querySelector(id).offsetTop;

	}

	 

	function scrollToSection(event) {

	  event.preventDefault();

	  const distanceFromTheTop = getDistanceFromTheTop(event.target) - 90;

	  smoothScrollTo(0, distanceFromTheTop);

	}

	 

	menuLinks.forEach((link) => {

	  link.addEventListener("click", scrollToSection);

	});

	 

	function smoothScrollTo(endX, endY, duration) {

	  const startX = window.scrollX || window.pageXOffset;

	  const startY = window.scrollY || window.pageYOffset;

	  const distanceX = endX - startX;

	  const distanceY = endY - startY;

	  const startTime = new Date().getTime();

	 

	  duration = typeof duration !== "undefined" ? duration : 400;

	 

	  const easeInOutQuart = (time, from, distance, duration) => {

	    if ((time /= duration / 2) < 1)

	      return (distance / 2) * time * time * time * time + from;

	    return (-distance / 2) * ((time -= 2) * time * time * time - 2) + from;

	  };

	 

	  const timer = setInterval(() => {

	    const time = new Date().getTime() - startTime;

	    const newX = easeInOutQuart(time, startX, distanceX, duration);

	    const newY = easeInOutQuart(time, startY, distanceY, duration);

	    if (time >= duration) {

	      clearInterval(timer);

	    }

	    window.scroll(newX, newY);

	  }, 1000 / 60);

	}