some optimizations

framework/h/attribute.go

@@ -26,16 +26,17 @@ func (m *AttributeMap) ToMap() map[string]string {
 	return result
 }
 
-func Attribute(key string, value string) *AttributeMap {
-	return Attributes(&AttributeMap{key: value})
+func Attribute(key string, value string) *AttributeR {
+	return &AttributeR{
+		Name:  key,
+		Value: value,
+	}
 }
 
-func AttributeList(children ...*AttributeMap) *AttributeMap {
+func AttributeList(children ...*AttributeR) *AttributeMap {
 	m := make(AttributeMap)
 	for _, child := range children {
-		for k, v := range *child {
-			m[k] = v
-		}
+		m[child.Name] = child.Value
 	}
 	return &m
 }
@@ -88,7 +89,7 @@ func HxInclude(selector string) Ren {
 	return Attribute(hx.IncludeAttr, selector)
 }
 
-func HxIndicator(tag string) *AttributeMap {
+func HxIndicator(tag string) *AttributeR {
 	return Attribute(hx.IndicatorAttr, tag)
 }
 
@@ -96,16 +97,16 @@ func TriggerChildren() Ren {
 	return HxExtension("trigger-children")
 }
 
-func HxTriggerString(triggers ...string) *AttributeMap {
+func HxTriggerString(triggers ...string) *AttributeR {
 	trigger := hx.NewStringTrigger(strings.Join(triggers, ", "))
 	return Attribute(hx.TriggerAttr, trigger.ToString())
 }
 
-func HxTrigger(opts ...hx.TriggerEvent) *AttributeMap {
+func HxTrigger(opts ...hx.TriggerEvent) *AttributeR {
 	return Attribute(hx.TriggerAttr, hx.NewTrigger(opts...).ToString())
 }
 
-func HxTriggerClick(opts ...hx.Modifier) *AttributeMap {
+func HxTriggerClick(opts ...hx.Modifier) *AttributeR {
 	return HxTrigger(hx.OnClick(opts...))
 }
 
@@ -145,7 +146,7 @@ func Hidden() Ren {
 	return Attribute("style", "display:none")
 }
 
-func Class(value ...string) *AttributeMap {
+func Class(value ...string) *AttributeR {
 	return Attribute("class", MergeClasses(value...))
 }
 

framework/h/render_test.go

@@ -116,12 +116,14 @@ func BenchmarkMailTo(b *testing.B) {
 }
 
 func BenchmarkComplexPage(b *testing.B) {
+	b.Skip()
 	b.ReportAllocs()
 	ctx := RenderContext{
 		builder: &strings.Builder{},
 	}
+	page := ComplexPage()
 	for i := 0; i < b.N; i++ {
-		ComplexPage().Render(&ctx)
+		page.Render(&ctx)
 		ctx.builder.Reset()
 	}
 }

framework/h/renderer.go

@@ -35,24 +35,43 @@ func (node *Element) Render(context *RenderContext) {
 		}
 	}
 
-	// first pass, flatten the children
-	flatChildren := make([]Ren, 0, len(node.children))
+	totalChildren := 0
+	shouldFlatten := false
 	for _, child := range node.children {
-		switch child.(type) {
+		switch c := child.(type) {
 		case *ChildList:
-			flatChildren = append(flatChildren, child.(*ChildList).Children...)
+			shouldFlatten = true
+			totalChildren += len(c.Children)
 		default:
-			flatChildren = append(flatChildren, child)
+			totalChildren++
 		}
 	}
 
-	node.children = flatChildren
+	if shouldFlatten {
+		// first pass, flatten the children
+		flatChildren := make([]Ren, totalChildren)
+		for i, child := range node.children {
+			switch c := child.(type) {
+			case *ChildList:
+				for _, ren := range c.Children {
+					flatChildren[i] = ren
+					i++
+				}
+			default:
+				flatChildren[i] = child
+			}
+		}
+
+		node.children = flatChildren
+	}
 
 	// second pass, render any attributes within the tag
 	for _, child := range node.children {
 		switch child.(type) {
 		case *AttributeMap:
 			child.Render(context)
+		case *AttributeR:
+			child.Render(context)
 		case *LifeCycle:
 			child.Render(context)
 		}
@@ -68,6 +87,8 @@ func (node *Element) Render(context *RenderContext) {
 		switch child.(type) {
 		case *AttributeMap:
 			continue
+		case *AttributeR:
+			continue
 		case *LifeCycle:
 			continue
 		default:
@@ -158,6 +179,8 @@ func (l *LifeCycle) Render(context *RenderContext) {
 				for k, v := range c.ToMap() {
 					l.fromAttributeMap(event, k, v, context)
 				}
+			case *AttributeR:
+				l.fromAttributeMap(event, c.Name, c.Value, context)
 			}
 		}
 	}

framework/h/tag.go

@@ -158,7 +158,7 @@ func Checkbox(children ...Ren) *Element {
 	return Input("checkbox", children...)
 }
 
-func Value(value any) *AttributeMap {
+func Value(value any) *AttributeR {
 	switch v := value.(type) {
 	case string:
 		return Attribute("value", v)
@@ -330,7 +330,7 @@ func Img(children ...Ren) *Element {
 	return Tag("img", children...)
 }
 
-func Src(src string) *AttributeMap {
+func Src(src string) *AttributeR {
 	return Attribute("src", src)
 }