CloudMusic/FNZCM/FNZCM.BlazorWasm/UI/Views/Default/Browse/FileIcon.razor

@code {
    [Parameter, Required] public string FileName { get; set; }
}

@switch (Path.GetExtension(FileName?.ToLower()))
{
    case ".flac":
        <i class="bi bi-file-earmark-music"></i>
        break;
    case ".wav":
        <i class="bi bi-filetype-wav"></i>
        break;
    case ".m4a":
    case ".aac":
        <i class="bi bi-filetype-aac"></i>
        break;
    case ".mp3":
        <i class="bi bi-filetype-mp3"></i>
        break;
    case ".mp4":
        <i class="bi bi-filetype-mp4"></i>
        break;
    default:
        <i class="bi bi-file-earmark"></i>
        break;
}