theme-commerce

themes/commerce/components/Header.js

@@ -0,0 +1,96 @@
+import LogoBar from './LogoBar'
+import { useEffect, useRef, useState } from 'react'
+import Collapse from '@/components/Collapse'
+import { MenuBarMobile } from './MenuBarMobile'
+import { useGlobal } from '@/lib/global'
+import CONFIG from '../config'
+import { MenuItemDrop } from './MenuItemDrop'
+import { siteConfig } from '@/lib/config'
+import throttle from 'lodash.throttle'
+
+/**
+ * 顶部导航栏 + 菜单
+ * @param {} param0
+ * @returns
+ */
+export default function Header(props) {
+  const { customNav, customMenu } = props
+  const [isOpen, changeShow] = useState(false)
+  const collapseRef = useRef(null)
+
+  const { locale } = useGlobal()
+
+  const defaultLinks = [
+    { icon: 'fas fa-th', name: locale.COMMON.CATEGORY, to: '/category', show: CONFIG.MENU_CATEGORY },
+    { icon: 'fas fa-tag', name: locale.COMMON.TAGS, to: '/tag', show: CONFIG.MENU_TAG },
+    { icon: 'fas fa-archive', name: locale.NAV.ARCHIVE, to: '/archive', show: CONFIG.MENU_ARCHIVE },
+    { icon: 'fas fa-search', name: locale.NAV.SEARCH, to: '/search', show: CONFIG.MENU_SEARCH }
+  ]
+
+  let links = defaultLinks.concat(customNav)
+
+  const toggleMenuOpen = () => {
+    changeShow(!isOpen)
+  }
+
+  // 向下滚动时，调整导航条高度
+  useEffect(() => {
+    scrollTrigger()
+    window.addEventListener('scroll', scrollTrigger)
+    return () => {
+      window.removeEventListener('scroll', scrollTrigger)
+    }
+  }, [])
+
+  const throttleMs = 150
+
+  const scrollTrigger = throttle(() => {
+    const scrollS = window.scrollY
+    const nav = document.querySelector('#top-navbar')
+
+    const narrowNav = scrollS > 50
+    if (narrowNav) {
+      nav && nav.classList.replace('h-24', 'h-14')
+    } else {
+      nav && nav.classList.replace('h-14', 'h-24')
+    }
+  }, throttleMs)
+
+  // 如果 开启自定义菜单，则覆盖Page生成的菜单
+  if (siteConfig('CUSTOM_MENU')) {
+    links = customMenu
+  }
+
+  if (!links || links.length === 0) {
+    return null
+  }
+
+  return <div id='top-navbar-wrapper' className={'sticky top-0 w-full z-40 shadow bg-white dark:bg-hexo-black-gray '}>
+
+        {/* 导航栏菜单内容 */}
+        <div id="top-navbar" className='px-4 flex w-full mx-auto max-w-screen-xl h-24 transition-all duration-200 items-between'>
+
+            {/* 左侧图标Logo */}
+            <LogoBar {...props} />
+
+            {/* 移动端折叠按钮 */}
+            <div className='mr-1 flex md:hidden justify-end items-center text-lg space-x-4 font-serif dark:text-gray-200'>
+                <div onClick={toggleMenuOpen} className='cursor-pointer'>
+                    {isOpen ? <i className='fas fa-times' /> : <i className='fas fa-bars' />}
+                </div>
+            </div>
+
+            {/* 桌面端顶部菜单 */}
+            <div className='hidden md:flex items-center'>
+                {links && links?.map(link => <MenuItemDrop key={link?.id} link={link} />)}
+            </div>
+        </div>
+
+          {/* 移动端折叠菜单 */}
+          <Collapse type='vertical' collapseRef={collapseRef} isOpen={isOpen} className='md:hidden'>
+            <div className='bg-white dark:bg-hexo-black-gray pt-1 py-2 lg:hidden '>
+                <MenuBarMobile {...props} onHeightChange={(param) => collapseRef.current?.updateCollapseHeight(param)} />
+            </div>
+        </Collapse>
+    </div>
+}