Function startSpinner

cli/cmd/ai.go:63–148

startSpinner displays a spinner with rotating messages and returns a stop function

(ctx context.Context, messages []string)

// startSpinner displays a spinner with rotating messages and returns a stop function
func startSpinner(ctx context.Context, messages []string) func() {
	var mu gosync.Mutex
	var currentMessage string
	var stopped bool

	// Create a progressbar for the spinner
	bar := progressbar.NewOptions(-1,
		progressbar.OptionSetDescription(""),
		progressbar.OptionSetWidth(50),
		progressbar.OptionClearOnFinish(),
		progressbar.OptionSetRenderBlankState(true),
	)

	// Create a context for the spinner that can be cancelled
	spinnerCtx, spinnerCancel := context.WithCancel(ctx)

	// Channel to signal when cleanup is complete
	cleanupDone := make(chan struct{})

	// Start the message rotation
	go func() {
		ticker := time.NewTicker(4 * time.Second)
		defer ticker.Stop()

		messageIndex := 0
		for {
			select {
			case <-spinnerCtx.Done():
				return
			case <-ticker.C:
				mu.Lock()
				if !stopped {
					currentMessage = messages[messageIndex%len(messages)]
					messageIndex++
				}
				mu.Unlock()
			}
		}
	}()

	// Start the spinner animation
	spinnerChars := []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
	spinnerIndex := 0

	go func() {
		defer close(cleanupDone)
		ticker := time.NewTicker(100 * time.Millisecond)
		defer ticker.Stop()

		for {
			select {
			case <-spinnerCtx.Done():
				mu.Lock()
				stopped = true
				mu.Unlock()
				_ = bar.Clear()
				return
			case <-ticker.C: