提交1 bmad搭建与项目启动 - ok

crop-x/src/hooks/useLocalStorage.ts

@@ -0,0 +1,56 @@
+import { useState, useEffect } from 'react'
+
+export function useLocalStorage<T>(
+  key: string,
+  initialValue: T
+): [T, (value: T | ((prev: T) => T)) => void] {
+  // 获取初始值
+  const [storedValue, setStoredValue] = useState<T>(() => {
+    if (typeof window === 'undefined') {
+      return initialValue
+    }
+
+    try {
+      const item = window.localStorage.getItem(key)
+      return item ? JSON.parse(item) : initialValue
+    } catch (error) {
+      console.warn(`Error reading localStorage key "${key}":`, error)
+      return initialValue
+    }
+  })
+
+  // 设置值的函数
+  const setValue = (value: T | ((prev: T) => T)) => {
+    try {
+      // 允许value是一个函数，类似于useState
+      const valueToStore =
+        value instanceof Function ? value(storedValue) : value
+
+      setStoredValue(valueToStore)
+
+      if (typeof window !== 'undefined') {
+        window.localStorage.setItem(key, JSON.stringify(valueToStore))
+      }
+    } catch (error) {
+      console.warn(`Error setting localStorage key "${key}":`, error)
+    }
+  }
+
+  // 监听localStorage变化
+  useEffect(() => {
+    const handleStorageChange = (event: StorageEvent) => {
+      if (event.key === key && event.newValue !== null) {
+        try {
+          setStoredValue(JSON.parse(event.newValue))
+        } catch (error) {
+          console.warn(`Error parsing localStorage change for key "${key}":`, error)
+        }
+      }
+    }
+
+    window.addEventListener('storage', handleStorageChange)
+    return () => window.removeEventListener('storage', handleStorageChange)
+  }, [key])
+
+  return [storedValue, setValue]
+}