From ed09f5bd531b067ab26c20f65100f8dcbe442616 Mon Sep 17 00:00:00 2001
From: tangly1024 <mail@tangly1024.com>
Date: Tue, 11 Jul 2023 20:53:54 +0800
Subject: [PATCH] fix plog aninmation

---
 themes/plog/components/BlogListPage.js | 26 ++++++++++++++++++++++++--
 themes/plog/components/BlogPost.js     | 11 ++++++++++-
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/themes/plog/components/BlogListPage.js b/themes/plog/components/BlogListPage.js
index f8455ae7..1ac57222 100644
--- a/themes/plog/components/BlogListPage.js
+++ b/themes/plog/components/BlogListPage.js
@@ -4,6 +4,7 @@ import { useGlobal } from '@/lib/global'
 import { useRouter } from 'next/router'
 import Link from 'next/link'
 import BlogPost from './BlogPost'
+import { useEffect, useRef } from 'react'
 
 export const BlogListPage = props => {
   const { page = 1, posts, postCount } = props
@@ -16,12 +17,33 @@ export const BlogListPage = props => {
   const showNext = page < totalPage
   const pagePrefix = router.asPath.split('?')[0].replace(/\/page\/[1-9]\d*/, '').replace(/\/$/, '')
 
+  const blogPostRefs = useRef([])
+
+  useEffect(() => {
+    const observer = new IntersectionObserver(entries => {
+      entries.forEach(entry => {
+        if (entry.isIntersecting) {
+          entry.target.classList.toggle('visible')
+        }
+      })
+    }, {
+      threshold: 0.1 // 调整阈值以达到最佳效果
+    })
+
+    blogPostRefs.current.forEach(ref => {
+      observer.observe(ref)
+    })
+
+    return () => {
+      observer.disconnect()
+    }
+  }, [])
   return (
       <div className="w-full">
 
             <div id="posts-wrapper" className='grid lg:grid-cols-3 grid-cols-1 md:grid-cols-2'>
-                {posts?.map(post => (
-                   <BlogPost key={post.id} post={post} {...props}/>
+                {posts?.map((post, index) => (
+                   <BlogPost index={index} key={post.id} className="blog-post" post={post} {...props} ref={el => blogPostRefs.current.push(el)}/>
                 ))}
             </div>
 
diff --git a/themes/plog/components/BlogPost.js b/themes/plog/components/BlogPost.js
index 4f7c9bce..65eacc4c 100644
--- a/themes/plog/components/BlogPost.js
+++ b/themes/plog/components/BlogPost.js
@@ -1,6 +1,7 @@
 import { compressImage } from '@/lib/notion/mapImage'
 import Link from 'next/link'
 import { usePlogGlobal } from '..'
+import { isMobile } from '@/lib/utils'
 
 /**
  * 博客照片卡牌
@@ -8,16 +9,24 @@ import { usePlogGlobal } from '..'
  * @returns
  */
 const BlogPost = (props) => {
-  const { post, siteInfo } = props
+  const { post, index, siteInfo } = props
   const pageThumbnail = compressImage(post?.pageCoverThumbnail || siteInfo?.pageCover, 800, 80)
   const { setModalContent, setShowModal } = usePlogGlobal()
   const handleClick = () => {
     setShowModal(true)
     setModalContent(post)
   }
+
+  // 实现动画 一个接一个出现
+  let delay = index * 100
+  if (isMobile()) {
+    delay = 0
+  }
+
   return (
         <article
             onClick={handleClick}
+            data-aos-delay={`${delay}`}
             data-aos="fade-up"
             data-aos-duration="500"
             data-aos-once="true"