[FluentSlider] [FluentNumberField] Fix #2948

src/Core/Components/NumberField/FluentNumberField.razor.cs

@@ -6,7 +6,7 @@
 
 namespace Microsoft.FluentUI.AspNetCore.Components;
 
-public partial class FluentNumberField<TValue> : FluentInputBase<TValue>
+public partial class FluentNumberField<TValue> : FluentInputBase<TValue>, IAsyncDisposable
 {
     private const string JAVASCRIPT_FILE = "./_content/Microsoft.FluentUI.AspNetCore.Components/Components/TextField/FluentTextField.razor.js";
 
@@ -166,12 +166,31 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
 
         if (firstRender)
         {
+            Module ??= await JSRuntime.InvokeAsync<IJSObjectReference>("import", JAVASCRIPT_FILE.FormatCollocatedUrl(LibraryConfiguration));
+            await Module.InvokeVoidAsync("ensureCurrentValueMatch", Element);
+
             if (AutoComplete != null && !string.IsNullOrEmpty(Id))
             {
-                Module ??= await JSRuntime.InvokeAsync<IJSObjectReference>("import", JAVASCRIPT_FILE.FormatCollocatedUrl(LibraryConfiguration));
                 await Module.InvokeVoidAsync("setControlAttribute", Id, "autocomplete", AutoComplete);
             }
 
         }
     }
+
+    public async ValueTask DisposeAsync()
+    {
+        try
+        {
+            if (Module is not null)
+            {
+                await Module.DisposeAsync();
+            }
+        }
+        catch (Exception ex) when (ex is JSDisconnectedException ||
+                                   ex is OperationCanceledException)
+        {
+            // The JSRuntime side may routinely be gone already if the reason we're disposing is that
+            // the client disconnected. This is not an error.
+        }
+    }
 }

src/Core/Components/Slider/FluentSlider.razor.cs

@@ -8,6 +8,7 @@
 using Microsoft.AspNetCore.Components;
 using Microsoft.FluentUI.AspNetCore.Components.Extensions;
 using Microsoft.FluentUI.AspNetCore.Components.Utilities;
+using Microsoft.FluentUI.AspNetCore.Components.Utilities.InternalDebounce;
 using Microsoft.JSInterop;
 
 namespace Microsoft.FluentUI.AspNetCore.Components;
@@ -27,7 +28,11 @@ public partial class FluentSlider<TValue> : FluentInputBase<TValue>, IAsyncDispo
     private TValue? max;
     private TValue? min;
     private bool updateSliderThumb = false;
-    private bool userChangedValue = false;
+    private DebounceAction Debounce { get; init; }
+    public FluentSlider()
+    {
+        Debounce = new DebounceAction();
+    }
 
     /// <summary>
     /// Gets or sets the slider's minimal value.
@@ -71,14 +76,7 @@ public override TValue? Value
             if (base.Value != value)
             {
                 base.Value = value;
-                if (userChangedValue)
-                {
-                    userChangedValue = false;
-                }
-                else
-                {
-                    updateSliderThumb = true;
-                }
+                updateSliderThumb = true;
             }
         }
     }
@@ -120,18 +118,15 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
                 updateSliderThumb = false;
                 if (Module is not null)
                 {
-                    await Module!.InvokeVoidAsync("updateSlider", Element);
+                    Debounce.Run(100, async () =>
+                    {
+                        await Module!.InvokeVoidAsync("updateSlider", Element);
+                    });
                 }
             }
         }
     }
 
-    protected override Task ChangeHandlerAsync(ChangeEventArgs e)
-    {
-        userChangedValue = true;
-        return base.ChangeHandlerAsync(e);
-    }
-
     protected override string? ClassValue
     {
         get

src/Core/Components/TextField/FluentTextField.razor.js

@@ -16,4 +16,21 @@ export function setDataList(id, datalistid) {
         shadowRoot.removeChild(shadowDataList);
     }
     shadowRoot.appendChild(dataList);
-}
+}
+
+export function ensureCurrentValueMatch(ref) {
+    if (ref !== undefined && ref != null) {
+        const observer = new MutationObserver((mutations) => {
+            mutations.forEach((mutation) => {
+                if (mutation.type === "attributes") {
+                    ref.value = mutation.target.getAttribute("value");
+                }
+            });
+        });
+        observer.observe(ref, {
+            attributes: true,
+            attributeFilter: ["value"],
+        });
+    }
+}
+

tests/Core/NumberField/FluentNumberFieldTests.cs

@@ -14,6 +14,7 @@ public class FluentNumberFieldTests : TestBase
     public FluentNumberFieldTests()
     {
         TestContext.Services.AddSingleton(LibraryConfiguration);
+        TestContext.JSInterop.Mode = JSRuntimeMode.Loose;
     }
 
     [Fact]

tests/Core/Wizard/FluentWizardTests.razor

@@ -10,6 +10,7 @@
     public FluentWizardTests()
     {
         this.Services.AddSingleton(LibraryConfiguration);
+        JSInterop.Mode = JSRuntimeMode.Loose;
     }
 
     [Fact]