fix(module: textarea): missing disabled style affix-wrapper-disabled doesn't append" (#3538)

* fix: when TextArea in disabled state the "affix-wrapper-disabled"
   didn't append to span

Co-authored-by: Yuriy Zuev <yuriy.zuev@swtecnn.com>

components/input/TextArea.razor.cs

@@ -156,7 +156,9 @@ namespace AntDesign
                 .If($"{PrefixCls}-affix-wrapper-textarea-with-clear-btn", () => AllowClear)
                 .If($"{PrefixCls}-affix-wrapper-has-feedback", () => FormItem?.HasFeedback == true)
                 .GetIf(() => $"{PrefixCls}-affix-wrapper-status-{FormItem?.ValidateStatus.ToString().ToLowerInvariant()}", () => FormItem is { ValidateStatus: not FormValidateStatus.Default })
-                .If($"{PrefixCls}-affix-wrapper-rtl", () => RTL);
+                .If($"{PrefixCls}-affix-wrapper-rtl", () => RTL)
+                .GetIf(() => $"{PrefixCls}-affix-wrapper-disabled", () => Disabled)
+                ;
 
             ClassMapper
                 .Add("ant-input-textarea ")

tests/AntDesign.Tests/Input/TextAreaTests.razor

@@ -51,6 +51,22 @@
         attribute.Should().Be($"{value.Length}");
     }
 
+    //Check wrapper marks as disabled when TextArea disabled state
+    [Fact]
+    public void TextArea_Wrapper_Disabled()
+    {
+        //Arrange
+        JSCommonMock();
+        JSInterop.Setup<AntDesign.TextArea.TextAreaInfo>(JSInteropConstants.InputComponentHelper.GetTextAreaInfo, _ => true)
+        .SetResult(_textAreaInfo);
+        string value = "0123456789";
+        var cut = Render(@<AntDesign.TextArea ShowCount Value=@value Disabled/>);
+        //Act
+        var span= cut.Find("span");
+        //Assert
+        span.ClassList.Should().Contain("ant-input-affix-wrapper-disabled");
+    }
+
     [Fact]
     public void TextArea_ShowCount_increase()
     {