Function subscribeTerminalFocus

src/ink/terminal-focus-state.ts:35–40

(cb: () => void)

// For useSyncExternalStore
export function subscribeTerminalFocus(cb: () => void): () => void {
  subscribers.add(cb)
  return () => {
    subscribers.delete(cb)
  }
}

export function resetTerminalFocusState(): void {
  focusState = 'unknown'