Custom component for razor (blazor server-side), to read folders (or files) in local filesystem

SystemFolderReader.razor

@code {
    [Parameter]
    public string? path { get; set; }
}

<h3>Folders in @path</h3>
<ul>
@foreach(string folder in data) {
    <li>@folder</li>
}
</ul>

@code {
    public string[]? data { get; set; }
    protected override async Task OnInitializedAsync()
    {
        string[] readData = new string[0];
        if(path != null)
        {
            readData = Directory.GetDirectories(@path);
        } 
        data = readData;
        StateHasChanged();
    }
}