build React.

themes/example/components/BlogListScroll.js

@@ -1,6 +1,6 @@
 import BLOG from '@/blog.config'
 import { useGlobal } from '@/lib/global'
-import React, { useEffect } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 import throttle from 'lodash.throttle'
 import BlogPostCard from './BlogPostCard'
 import CONFIG from '../config'
@@ -9,7 +9,7 @@ export const BlogListScroll = props => {
   const { posts } = props
   const { locale } = useGlobal()
 
-  const [page, updatePage] = React.useState(1)
+  const [page, updatePage] = useState(1)
 
   let hasMore = false
   const postsToShow = posts
@@ -25,10 +25,10 @@ export const BlogListScroll = props => {
     updatePage(page + 1)
   }
 
-  const targetRef = React.useRef(null)
+  const targetRef = useRef(null)
 
   // 监听滚动自动分页加载
-  const scrollTrigger = React.useCallback(throttle(() => {
+  const scrollTrigger = useCallback(throttle(() => {
     const scrollS = window.scrollY + window.outerHeight
     const clientHeight = targetRef ? (targetRef.current ? (targetRef.current.clientHeight) : 0) : 0
     if (scrollS > clientHeight + 100) {

themes/example/components/ExampleRecentComments.js

@@ -1,4 +1,4 @@
-import React from 'react'
+import { useEffect, useState } from 'react'
 import BLOG from '@/blog.config'
 import Link from 'next/link'
 import { RecentComments } from '@waline/client'
@@ -9,9 +9,9 @@ import { RecentComments } from '@waline/client'
  * @returns
  */
 const ExampleRecentComments = (props) => {
-  const [comments, updateComments] = React.useState([])
-  const [onLoading, changeLoading] = React.useState(true)
-  React.useEffect(() => {
+  const [comments, updateComments] = useState([])
+  const [onLoading, changeLoading] = useState(true)
+  useEffect(() => {
     RecentComments({
       serverURL: BLOG.COMMENT_WALINE_SERVER_URL,
       count: 5

themes/example/components/JumpToTopButton.js

@@ -1,5 +1,4 @@
 import { useGlobal } from '@/lib/global'
-import React from 'react'
 
 /**
  * 跳转到网页顶部