Revert "feat: 第一个可以用的 ink 组件抽象 (#158)" (#175)

This reverts commit c445f43f8d.

packages/@ant/ink/src/hooks/useExitOnCtrlCD.ts

@@ -1,95 +0,0 @@
-/**
- * Minimal stub of useExitOnCtrlCD + useExitOnCtrlCDWithKeybindings.
- *
- * The original hooks depend on the keybinding system and useApp() exit.
- * This stub provides the same interface with simplified Ctrl+C/D handling
- * via useInput, suitable for the standalone @anthropic/ink package.
- */
-
-import { useCallback, useState } from 'react'
-import useInput from './use-input.js'
-
-export type ExitState = {
-  pending: boolean
-  keyName: 'Ctrl-C' | 'Ctrl-D' | null
-}
-
-/**
- * Minimal double-press exit handler.
- * First Ctrl+C/D shows pending state, second press within timeout fires onExit.
- */
-const DOUBLE_PRESS_TIMEOUT_MS = 800
-
-function useDoublePress(
-  setPending: (pending: boolean) => void,
-  onDoublePress: () => void,
-): () => void {
-  let lastPress = 0
-  let timeout: ReturnType<typeof setTimeout> | undefined
-
-  return () => {
-    const now = Date.now()
-    const timeSince = now - lastPress
-    const isDouble =
-      timeSince <= DOUBLE_PRESS_TIMEOUT_MS && timeout !== undefined
-
-    if (isDouble) {
-      clearTimeout(timeout)
-      timeout = undefined
-      setPending(false)
-      onDoublePress()
-    } else {
-      setPending(true)
-      clearTimeout(timeout)
-      timeout = setTimeout(() => {
-        setPending(false)
-        timeout = undefined
-      }, DOUBLE_PRESS_TIMEOUT_MS)
-    }
-    lastPress = now
-  }
-}
-
-/**
- * Stub that provides ExitState for Ctrl+C/D double-press UI.
- * In the standalone package, this uses useInput directly rather than the
- * keybinding system.
- */
-export function useExitOnCtrlCDWithKeybindings(
-  _onExit?: () => void,
-  _onInterrupt?: () => boolean,
-  isActive: boolean = true,
-): ExitState {
-  const [exitState, setExitState] = useState<ExitState>({
-    pending: false,
-    keyName: null,
-  })
-
-  const handleCtrlC = useDoublePress(
-    (pending: boolean) =>
-      setExitState({ pending, keyName: pending ? 'Ctrl-C' : null }),
-    () => process.exit(0),
-  )
-
-  const handleCtrlD = useDoublePress(
-    (pending: boolean) =>
-      setExitState({ pending, keyName: pending ? 'Ctrl-D' : null }),
-    () => process.exit(0),
-  )
-
-  const handleInput = useCallback(
-    (_input: string, key: { ctrl?: boolean; name?: string }) => {
-      if (!isActive) return
-      if (key.ctrl && key.name === 'c') {
-        handleCtrlC()
-      } else if (key.ctrl && key.name === 'd') {
-        handleCtrlD()
-      }
-    },
-    [isActive, handleCtrlC, handleCtrlD],
-  )
-
-  useInput(handleInput, { isActive })
-
-  return exitState
-}