refactor: delete useUndoRedo.ts (#1899 #1900)

2026-09-14 20:45:03 +08:00
parent 19b93deea8
commit 357943816f
1 changed files with 0 additions and 62 deletions
@@ -1,62 +0,0 @@
-/**
- * 撤销/重做 Hook — 通用历史栈管理
- * 支持任意状态的快照式 undo/redo
- */
-import { useState, useCallback, useRef } from "react"
-
-const MAX_HISTORY = 50
-
-export function useUndoRedo<T>(initialState: T) {
-  const [present, setPresent] = useState<T>(initialState)
-  const pastRef = useRef<T[]>([])
-  const futureRef = useRef<T[]>([])
-  const [canUndo, setCanUndo] = useState(false)
-  const [canRedo, setCanRedo] = useState(false)
-
-  const set = useCallback((next: T | ((prev: T) => T)) => {
-    setPresent((curr) => {
-      const resolved = typeof next === "function" ? (next as (p: T) => T)(curr) : next
-      pastRef.current = [...pastRef.current.slice(-(MAX_HISTORY - 1)), curr]
-      futureRef.current = []
-      setCanUndo(true)
-      setCanRedo(false)
-      return resolved
-    })
-  }, [])
-
-  const undo = useCallback(() => {
-    setPresent((curr) => {
-      const past = pastRef.current
-      if (past.length === 0) return curr
-      const prev = past[past.length - 1]
-      pastRef.current = past.slice(0, -1)
-      futureRef.current = [curr, ...futureRef.current]
-      setCanUndo(pastRef.current.length > 0)
-      setCanRedo(true)
-      return prev
-    })
-  }, [])
-
-  const redo = useCallback(() => {
-    setPresent((curr) => {
-      const future = futureRef.current
-      if (future.length === 0) return curr
-      const next = future[0]
-      futureRef.current = future.slice(1)
-      pastRef.current = [...pastRef.current, curr]
-      setCanUndo(true)
-      setCanRedo(futureRef.current.length > 0)
-      return next
-    })
-  }, [])
-
-  const reset = useCallback((state: T) => {
-    pastRef.current = []
-    futureRef.current = []
-    setPresent(state)
-    setCanUndo(false)
-    setCanRedo(false)
-  }, [])
-
-  return { state: present, set, undo, redo, canUndo, canRedo, reset }
-}