Function useExitHandler

cli/src/hooks/use-exit-handler.ts:55–108

({
  inputValue,
  setInputValue,
}: UseExitHandlerOptions)

}

export const useExitHandler = ({
  inputValue,
  setInputValue,
}: UseExitHandlerOptions) => {
  const [nextCtrlCWillExit, setNextCtrlCWillExit] = useState(false)
  const exitWarningTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(
    null,
  )

  useEffect(() => {
    setupExitMessageHandler()
  }, [])

  const handleCtrlC = useCallback(() => {
    if (inputValue) {
      setInputValue({ text: '', cursorPosition: 0, lastEditDueToNav: false })
      return true
    }

    if (!nextCtrlCWillExit) {
      setNextCtrlCWillExit(true)
      setTimeout(() => {
        setNextCtrlCWillExit(false)
      }, 2000)
      return true
    }

    if (exitWarningTimeoutRef.current) {
      clearTimeout(exitWarningTimeoutRef.current)
      exitWarningTimeoutRef.current = null
    }

    exitCli()
    return true
  }, [inputValue, setInputValue, nextCtrlCWillExit])

  useEffect(() => {
    const handleSigint = () => {
      if (exitWarningTimeoutRef.current) {
        clearTimeout(exitWarningTimeoutRef.current)
        exitWarningTimeoutRef.current = null
      }

      exitCli()
    }

    process.on('SIGINT', handleSigint)
    return () => {
      process.off('SIGINT', handleSigint)
    }
  }, [])

  return { handleCtrlC, nextCtrlCWillExit }
}