feat: new theme

themes/typography/components/BlogListScroll.js

@@ -0,0 +1,70 @@
+import { siteConfig } from '@/lib/config'
+import { useGlobal } from '@/lib/global'
+import throttle from 'lodash.throttle'
+import { useCallback, useEffect, useRef, useState } from 'react'
+import { BlogItem } from './BlogItem'
+
+/**
+ * 滚动博客列表
+ * @param {*} props
+ * @returns
+ */
+export default function BlogListScroll(props) {
+  const { posts } = props
+  const { locale, NOTION_CONFIG } = useGlobal()
+  const [page, updatePage] = useState(1)
+  const POSTS_PER_PAGE = siteConfig('POSTS_PER_PAGE', null, NOTION_CONFIG)
+  let hasMore = false
+  const postsToShow = posts
+    ? Object.assign(posts).slice(0, POSTS_PER_PAGE * page)
+    : []
+
+  if (posts) {
+    const totalCount = posts.length
+    hasMore = page * POSTS_PER_PAGE < totalCount
+  }
+  const handleGetMore = () => {
+    if (!hasMore) return
+    updatePage(page + 1)
+  }
+
+  const targetRef = useRef(null)
+
+  // 监听滚动自动分页加载
+  const scrollTrigger = useCallback(
+    throttle(() => {
+      const scrollS = window.scrollY + window.outerHeight
+      const clientHeight = targetRef
+        ? targetRef.current
+          ? targetRef.current.clientHeight
+          : 0
+        : 0
+      if (scrollS > clientHeight + 100) {
+        handleGetMore()
+      }
+    }, 500)
+  )
+
+  useEffect(() => {
+    window.addEventListener('scroll', scrollTrigger)
+
+    return () => {
+      window.removeEventListener('scroll', scrollTrigger)
+    }
+  })
+
+  return (
+    <div id='posts-wrapper' className='w-full md:pr-8 mb-12' ref={targetRef}>
+      {postsToShow.map(p => (
+        <BlogItem key={p.id} post={p} />
+      ))}
+
+      <div
+        onClick={handleGetMore}
+        className='w-full my-4 py-4 text-center cursor-pointer '>
+        {' '}
+        {hasMore ? locale.COMMON.MORE : `${locale.COMMON.NO_MORE} 😰`}{' '}
+      </div>
+    </div>
+  )
+}