From d695b39edf898e056a8de3724a020f15754fcea9 Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Sat, 13 Dec 2025 17:17:14 +0100
Subject: feat(dom): type to represents css class

---
 dom/css_class.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 dom/css_class.go

(limited to 'dom/css_class.go')

diff --git a/dom/css_class.go b/dom/css_class.go
new file mode 100644
index 0000000..633869e
--- /dev/null
+++ b/dom/css_class.go
@@ -0,0 +1,43 @@
+package dom
+
+type ClassList map[string]struct{}
+
+func (cl ClassList) set(e Element) Element {
+	if len(cl) == 0 {
+		return e
+	}
+	classes := ""
+	for k := range cl {
+		classes += k + " "
+	}
+	classes = classes[:len(cl)-1]
+	return e.SetAttribute("class", classes)
+}
+
+func (cl ClassList) Has(v string) bool {
+	_, ok := cl[v]
+	return ok
+}
+
+func (cl ClassList) Add(v string) ClassList {
+	cl[v] = struct{}{}
+	return cl
+}
+
+func (cl ClassList) Remove(v string) ClassList {
+	delete(cl, v)
+	return cl
+}
+
+func (cl ClassList) Toggle(v string) ClassList {
+	if cl.Has(v) {
+		cl.Remove(v)
+	} else {
+		cl.Add(v)
+	}
+	return cl
+}
+
+func NewClassList() ClassList {
+	return ClassList(make(map[string]struct{}))
+}
-- 
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