tieba表情函数抽成共通

frontend_nuxt/utils/markdown.js

@@ -265,3 +265,26 @@ export function stripMarkdownLength(text, length) {
   }
   return plain.slice(0, length) + '...'
 }
+
+// 朴素文本带贴吧表情
+export function stripMarkdownWithTiebaMoji(text, length){
+  console.error(text)
+    if (!text) return ''
+
+  // Markdown 转成纯文本
+  const plain = stripMarkdown(text)
+ console.error(plain)
+  // 替换 :tieba123: 为 <img>
+  const withEmoji = plain.replace(/:tieba(\d+):/g, (match, num) => {
+    const key = `tieba${num}`
+    const file = tiebaEmoji[key]
+    return file
+      ? `<img loading="lazy" class="emoji" src="${file}" alt="${key}">`
+      : match // 没有匹配到图片则保留原样
+  })
+
+  // 截断纯文本长度（防止撑太长）
+  const truncated = withEmoji.length > length ? withEmoji.slice(0, length) + '...' : withEmoji
+  return truncated
+
+}