Function pumpCmd

tui/run.go:243–251

pumpCmd blocks on ch and returns each message. When ch closes, emits a sentinel runExitMsg with a nil err so the model clears its state.

(ch <-chan tea.Msg)

// pumpCmd blocks on ch and returns each message. When ch closes, emits a
// sentinel runExitMsg with a nil err so the model clears its state.
func pumpCmd(ch <-chan tea.Msg) tea.Cmd {
	return func() tea.Msg {
		msg, ok := <-ch
		if !ok {
			return runExitMsg{err: nil}
		}
		return msg
	}
}

// stop sends SIGINT (Unix) or Kill (Windows) to the engine subprocess.
func (m runModel) stop() tea.Cmd {