watch-finished/views/partials/menu.ejs

<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
  <a class="navbar-brand" href="#"><%= appName %></a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>

  <div class="collapse navbar-collapse" id="navbar">
    <ul class="navbar-nav mr-auto">
      <li class="nav-item<%=((menuId === 'activity') ? ' active': '')%>">
        <a class="nav-link" href="/">Activity</a>
      </li>
      <li class="nav-item<%=((menuId === 'watches') ? ' active': '')%>">
        <a class="nav-link" href="/watches">Watches</a>
      </li>
      <li class="nav-item<%=((menuId === 'settings') ? ' active': '')%>">
        <a class="nav-link" href="/settings">Settings</a>
      </li>
    </ul>
  </div>
</nav>