Merge pull request #2753 from tangly1024/feat/gitbook-auto-expand

gitbook 导航文件夹hover-expand适配移动端

themes/gitbook/components/NavPostItem.js

@@ -1,6 +1,7 @@
 import Badge from '@/components/Badge'
 import Collapse from '@/components/Collapse'
 import { siteConfig } from '@/lib/config'
+import { useEffect, useState } from 'react'
 import CONFIG from '../config'
 import BlogPostCard from './BlogPostCard'
 
@@ -13,17 +14,32 @@ import BlogPostCard from './BlogPostCard'
  */
 const NavPostItem = props => {
   const { group, expanded, toggleItem } = props // 接收传递的展开状态和切换函数
-  // const [isOpen, setIsOpen] = useState(expanded) // 使用展开状态作为组件内部状态
   const hoverExpand = siteConfig('GITBOOK_FOLDER_HOVER_EXPAND', false, CONFIG)
+  const [isTouchDevice, setIsTouchDevice] = useState(false)
+
+  // 检测是否为触摸设备
+  useEffect(() => {
+    const checkTouchDevice = () => {
+      if (window.matchMedia('(pointer: coarse)').matches) {
+        setIsTouchDevice(true)
+      }
+    }
+    checkTouchDevice()
+
+    // 可选：监听窗口大小变化时重新检测
+    window.addEventListener('resize', checkTouchDevice)
+    return () => {
+      window.removeEventListener('resize', checkTouchDevice)
+    }
+  }, [])
 
   // 当展开状态改变时触发切换函数，并根据传入的展开状态更新内部状态
   const toggleOpenSubMenu = () => {
     toggleItem() // 调用父组件传递的切换函数
-    // setIsOpen(!expanded) // 更新内部状态为传入的展开状态的相反值
   }
   const onHoverToggle = () => {
     // 允许鼠标悬停时自动展开，而非点击展开
-    if (!hoverExpand) {
+    if (!hoverExpand || isTouchDevice) {
       return
     }
     toggleOpenSubMenu()