using System.Collections.Generic; using System.Threading.Tasks; using Microsoft.JSInterop; namespace AntDesign { public class ConfigService { private IJSRuntime _jS; public ConfigService(IJSRuntime js) { _jS = js; } public async Task ChangeDirection(string direction) { direction = direction?.ToLowerInvariant(); await _jS.InvokeVoidAsync(JSInteropConstants.SetDomAttribute, "html", new Dictionary { ["class"] = direction, ["data-direction"] = direction }); } } }