提交1 bmad搭建与项目启动 - ok

crop-x/src/hooks/useDebounce.ts

@@ -0,0 +1,17 @@
+import { useState, useEffect } from 'react'
+
+export function useDebounce<T>(value: T, delay: number): T {
+  const [debouncedValue, setDebouncedValue] = useState<T>(value)
+
+  useEffect(() => {
+    const handler = setTimeout(() => {
+      setDebouncedValue(value)
+    }, delay)
+
+    return () => {
+      clearTimeout(handler)
+    }
+  }, [value, delay])
+
+  return debouncedValue
+}

crop-x/src/hooks/useLocalStorage.ts

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+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]
+}

crop-x/src/hooks/useTheme.ts

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+import { useState, useEffect } from 'react'
+import type { Theme } from '@/types'
+
+export function useTheme() {
+  const [theme, setTheme] = useState<Theme>(() => {
+    // 从localStorage获取主题设置
+    const saved = localStorage.getItem('agriculture-theme')
+    if (saved && ['light', 'dark', 'system'].includes(saved)) {
+      return saved as Theme
+    }
+    return 'system'
+  })
+
+  useEffect(() => {
+    const root = window.document.documentElement
+
+    // 移除之前的主题类
+    root.classList.remove('light', 'dark')
+
+    if (theme === 'system') {
+      // 使用系统主题
+      const systemTheme = window.matchMedia('(prefers-color-scheme: dark)')
+        .matches
+        ? 'dark'
+        : 'light'
+      root.classList.add(systemTheme)
+    } else {
+      // 使用指定主题
+      root.classList.add(theme)
+    }
+
+    // 保存到localStorage
+    localStorage.setItem('agriculture-theme', theme)
+  }, [theme])
+
+  // 监听系统主题变化
+  useEffect(() => {
+    if (theme === 'system') {
+      const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)')
+
+      const handleChange = () => {
+        const root = window.document.documentElement
+        root.classList.remove('light', 'dark')
+        root.classList.add(mediaQuery.matches ? 'dark' : 'light')
+      }
+
+      mediaQuery.addEventListener('change', handleChange)
+      return () => mediaQuery.removeEventListener('change', handleChange)
+    }
+  }, [theme])
+
+  return {
+    theme,
+    setTheme,
+    isDark: theme === 'dark' || (theme === 'system' &&
+      window.matchMedia('(prefers-color-scheme: dark)').matches)
+  }
+}