feat: added more abilities to htmlx.

tests/html.xgo

@@ -1,15 +1,26 @@
 fmt := import("fmt")
 html := import("html").new_render()
 
+added := html.ul()
+for i in [1, 2, 3, 4, 5] {
+	added.add(html.li().body(i))
+}
+
 fmt.println(
 	html.html({
 		lang: "en"
 	}).body(
-		html.head(),
+		html.head().body(
+			html.link({
+				rel: "stylesheet",
+				href: "/web/main.css"
+			}).final()
+		),
 		html.body().body(
 			html.p().body(
 				">>>shit"
 			)
-		)
+		),
+		added
 	)
 )

xmodules/htmlx/element.go

@@ -19,6 +19,7 @@ type Element struct {
 	// The value makes sense only if
 	// the tag is the "raw"
 	Content string
+	Final bool
 }
 
 func (el *Element) TypeName() string {
@@ -40,6 +41,10 @@ func (el *Element) String() string {
 	}
 	fmt.Fprint(&b, ">")
 
+	if el.Final {
+		return b.String()
+	}
+
 	for _, child := range el.Children {
 		if child == nil {
 			continue
@@ -51,9 +56,56 @@ func (el *Element) String() string {
 	return b.String()
 }
 
-func (el *Element) Body(els ...*Element) *Element {
+func MakeElements(args ...tengo.Object) ([]*Element, error) {
+	s := []*Element{}
+	for _, arg := range args {
+		el, ok := arg.(*Element)
+		if !ok {
+			str, ok := tengo.ToString(arg)
+			if !ok {
+				return nil, tengo.ErrInvalidArgumentType{
+				}
+			}
+			s = append(s, &Element{
+				Tag: RawTag,
+				Content: str,
+			})
+		}
+		s = append(s, el)
+	}
+	return s, nil
+}
+
+func (el *Element) SetBody(
+	args ...tengo.Object,
+) (tengo.Object, error) {
+	els, err := MakeElements(args...)
+	if err != nil {
+		return nil, err
+	}
 	el.Children = els
-	return el
+	return el, nil
+}
+
+func (el *Element) Add(
+	args ...tengo.Object,
+) (tengo.Object, error) {
+	s, err := MakeElements(args...)
+	if err != nil {
+		return nil, err
+	}
+	el.Children = append(el.Children, s...)
+	return el, nil
+}
+
+func (el *Element) SetFinal(
+	args ...tengo.Object,
+) (tengo.Object, error) {
+	if len(args) > 0 {
+		return nil, tengo.ErrWrongNumArguments
+	}
+	el.Final = true
+	return el, nil
 }
 
 func (el *Element) IndexGet(
@@ -67,27 +119,18 @@ func (el *Element) IndexGet(
 	switch arg {
 	case "body" :
 		return &tengo.UserFunction{
-			Name: "Element.Body",
+			Name: "element.body",
-			Value: func(
+			Value: el.SetBody,
-				args ...tengo.Object,
+		}, nil
-			) (tengo.Object, error) {
+	case "final" :
-				s := []*Element{}
+		return &tengo.UserFunction{
-				for _, arg := range args {
+			Name: "element.final",
-					el, ok := arg.(*Element)
+			Value: el.SetFinal,
-					if !ok {
+		}, nil
-						str, ok := tengo.ToString(arg)
+	case "add" :
-						if ok {
+		return &tengo.UserFunction{
-							s = append(s, &Element{
+			Name: "element.add",
-								Tag: RawTag,
+			Value: el.Add,
-								Content: str,
-							})
-						}
-						continue
-					}
-					s = append(s, el)
-				}
-				return el.Body(s...), nil
-			},
 		}, nil
 	}
 	return nil, nil