ProgressBar

bar := components.ProgressBar()
bar.SetTotal(100)
for i := 1; i <= 25; i++ {
    bar.Add() // default +1
}

var mu sync.Mutex
running := false
bar := components.ProgressBar(components.ProgressDefault, components.Stream{})
bar.SetTotal(100)

btnID := components.AutoID()
msgID := components.AutoID()

components.RegisterAction(btnID, func(r *http.Request) string {
	mu.Lock()
	if running {
		mu.Unlock()
		return "running"
	}
	running = true
	bar.Current = 0
	mu.Unlock()

	go func() {
		for i := 1; i <= bar.Total; i++ {
			bar.Add()
			time.Sleep(25 * time.Millisecond)
		}
		bar.SetVariant(components.ProgressSuccess)
		components.SSEBroadcastEvent(bar.GetID(), "done", `{"done":true}`)
		mu.Lock()
		running = false
		mu.Unlock()
	}()
	return "started"
// frontend faz polling via goui.action a cada 50ms
// e atualiza o DOM com bar.Current / bar.Total

components.ProgressBar()                               // Default — 25%
components.ProgressBar(components.ProgressSuccess)     // Success — 60%
components.ProgressBar(components.ProgressWarning)     // Warning — 80%
components.ProgressBar(components.ProgressError)       // Error  — 100%
components.ProgressBar(components.ProgressInfo, false) // Info, sem label