feat(原生支持字数统计和阅读时长): 统一使用WordCount组件

(cherry picked from commit d8180e1a783ad50c501b741adc72f2747896bdc1)

lib/plugins/wordCount.js

@@ -0,0 +1,27 @@
+/**
+ * 更新字数统计和阅读时间
+ */
+export function countWords(pageContentText) {
+  const wordCount = fnGetCpmisWords(pageContentText)
+  // 阅读速度 300-500每分钟
+  const readTime = Math.floor(wordCount / 400) + 1
+  return { wordCount, readTime }
+}
+
+// 用word方式计算正文字数
+function fnGetCpmisWords(str) {
+  if (!str) {
+    return 0
+  }
+  let sLen = 0
+  try {
+    // eslint-disable-next-line no-irregular-whitespace
+    str = str.replace(/(\r\n+|\s+|　+)/g, '龘')
+    // eslint-disable-next-line no-control-regex
+    str = str.replace(/[\x00-\xff]/g, 'm')
+    str = str.replace(/m+/g, '*')
+    str = str.replace(/龘+/g, '')
+    sLen = str.length
+  } catch (e) {}
+  return sLen
+}

lib/utils/post.js

@@ -10,6 +10,7 @@ import { getPageContentText } from '@/pages/search/[keyword]'
 import { getAiSummary } from '@/lib/plugins/aiSummary'
 import BLOG from '@/blog.config'
 import { uploadDataToAlgolia } from '@/lib/plugins/algolia'
+import { countWords } from '@/lib/plugins/wordCount'
 
 /**
  * 获取文章的关联推荐文章列表，目前根据标签关联性筛选
@@ -115,7 +116,10 @@ export async function processPostData(props, from) {
       key => props.post.blockMap.block[key]?.value?.parent_id === props.post.id
     )
     props.post.toc = getPageTableOfContents(props.post, props.post.blockMap)
-
+    const pageContentText = getPageContentText(props.post, props.post.blockMap)
+    const { wordCount, readTime } = countWords(pageContentText)
+    props.post.wordCount = wordCount
+    props.post.readTime = readTime
     const aiSummaryAPI = siteConfig('AI_SUMMARY_API')
     if (aiSummaryAPI) {
       const post = props.post
@@ -131,7 +135,7 @@ export async function processPostData(props, from) {
         for (let heading of post.toc) {
           content += heading.text + ' '
         }
-        content += getPageContentText(post, post.blockMap)
+        content += pageContentText
         const combinedText = post.title + ' ' + content
         const truncatedText = combinedText.slice(0, wordLimit)
         aiSummary = await getAiSummary(