feat(BootstrapInputNumber): support NumberDecimalSeparator setting

src/BootstrapBlazor/Extensions/ObjectExtensions.cs

@@ -50,6 +50,12 @@ public static string ConvertToPercentString(this string? val)
     /// <returns></returns>
     public static bool IsNumber(this Type t)
     {
+        var separator = CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator;
+        if (separator != ".")
+        {
+            return false;
+        }
+
         var targetType = Nullable.GetUnderlyingType(t) ?? t;
         return targetType == typeof(int) || targetType == typeof(long) || targetType == typeof(short) ||
             targetType == typeof(float) || targetType == typeof(double) || targetType == typeof(decimal);

test/UnitTest/Extensions/ObjectExtensionsTest.cs

@@ -44,6 +44,18 @@ public static void IsNumber_Ok(Type source, bool expect)
         Assert.Equal(expect, actual);
     }
 
+    [Fact]
+    public void IsNumber_Culture()
+    {
+        var culture = new CultureInfo("es-ES");
+        CultureInfo.CurrentCulture = culture;
+        Assert.False(typeof(long).IsNumber());
+
+        culture = new CultureInfo("en-US");
+        CultureInfo.CurrentCulture = culture;
+        Assert.True(typeof(long).IsNumber());
+    }
+
     [Theory]
     [InlineData(typeof(DateTime?), true)]
     [InlineData(typeof(DateTime), true)]