HyperCube/Shared/NavMenu.razor

<div class="top-row pl-4 navbar navbar-light">
    <img src="/images/2dh_logo01.svg"/>
    @*<button class="navbar-toggler" @onclick="ToggleNavMenu">
        <span class="navbar-toggler-icon"></span>
    </button>*@
</div>

<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
    <ul class="nav flex-column">
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
                <span class="oi oi-home" aria-hidden="true"></span> <b>Домой</b>
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="docedit">
                <span class="oi oi-plus" aria-hidden="true"></span> <b>Загрузка</b>
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="verifying">
                <span class="oi oi-list" aria-hidden="true"></span> <b>Верификация</b>
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="blockchains">
                <span class="oi oi-list-rich" aria-hidden="true"></span> <b>Blockchain</b>
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="account">
                <span class="oi oi-account-login" aria-hidden="true"></span> <b>Личный кабинет</b>
            </NavLink>
        </li>
        @*<li class="nav-item px-3">
            <NavLink class="nav-link" href="fetchdata">
                <span class="oi oi-list-rich" aria-hidden="true"></span> Fetch data
            </NavLink>
        </li>*@
    </ul>
</div>

@code {
    private bool collapseNavMenu = true;

    private string NavMenuCssClass => collapseNavMenu ? "collapse" : null;

    private void ToggleNavMenu()
    {
        collapseNavMenu = !collapseNavMenu;
    }
}