refactor: 精简代码

Author: ArgoZhang

src/BootstrapBlazor/Components/Filters/BoolFilter.razor.cs

@@ -71,10 +71,6 @@ public override async Task SetFilterConditionsAsync(FilterKeyValueAction filter)
         {
             _value = value ? "true" : "false";
         }
-        else if (first.FieldValue is null)
-        {
-            _value = "";
-        }
         await base.SetFilterConditionsAsync(filter);
     }
 }

src/BootstrapBlazor/Components/Filters/FilterBase.cs

@@ -58,7 +58,7 @@ public abstract class FilterBase : BootstrapModuleComponentBase, IFilterAction
     /// <summary>
     /// 获得/设置 是否为 HeaderRow 模式 默认 false
     /// </summary>
-    protected bool IsHeaderRow => TableFilter?.IsHeaderRow ?? false;
+    protected bool IsHeaderRow => TableFilter.IsHeaderRow;
 
     /// <summary>
     /// <inheritdoc/>
@@ -119,8 +119,8 @@ protected async Task OnClickConfirm()
         var table = TableFilter.Table;
         if (table != null)
         {
-            var f = TableFilter.FilterAction.GetFilterConditions();
-            if (f.Filters != null && f.Filters.Count > 0)
+            var f = GetFilterConditions();
+            if (f.Filters is { Count: > 0 })
             {
                 table.Filters[FieldKey] = TableFilter.FilterAction;
             }
@@ -141,11 +141,8 @@ protected async Task OnClickConfirm()
     /// <returns></returns>
     protected async Task OnFilterValueChanged()
     {
-        if (TableFilter != null)
-        {
-            await TableFilter.OnFilterAsync();
-            StateHasChanged();
-        }
+        await TableFilter.OnFilterAsync();
+        StateHasChanged();
     }
 
     /// <summary>

src/BootstrapBlazor/Extensions/TableFilterExtensions.cs

@@ -5,8 +5,16 @@
 
 namespace BootstrapBlazor.Components;
 
-internal static class TableFilterExtensions
+/// <summary>
+/// TableFilter extensions methods
+/// </summary>
+public static class TableFilterExtensions
 {
+    /// <summary>
+    /// <see cref="TableFilter"/> Whether has filter
+    /// </summary>
+    /// <param name="filter"></param>
+    /// <returns></returns>
     public static bool HasFilter(this TableFilter? filter)
     {
         if (filter == null)