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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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