提取TAG

server/api/blog/index.js

@@ -4,15 +4,10 @@ import { lexer, marked } from 'marked';
 import hljs from 'highlight.js';
 import he from 'he';
 
-// 读取所有 blog 中的 md 文件, 以此来获取所有的 tag
+// 正则取以#号开头的标签
-const findTags = (item) => {
+const findTags = (item, list = []) => {
-    const list = []
+    if (item.type === 'text') list.push(...(item.text?.match(/(?<=#)\S+/g) || []))
-    if (item.type === 'em') list.push(item.text)
+    return [...list, ...(item.tokens?.map(token => findTags(token)) || [])].flat()
-    if (item.type === 'strong') list.push(item.text)
-    item.tokens?.forEach(token => {
-        findTags(token).forEach(tag => list.push(tag))
-    });
-    return list
 }
 
 export default defineEventHandler(async event => {
@@ -81,37 +76,10 @@ export default defineEventHandler(async event => {
         body.html = marked(body.content, { breaks: true }).replace(regex, (match, p1, p2) => {
             return `<code class="${p1} hljs">${hljs.highlightAuto(he.decode(p2)).value}</code>`
         })
-        // 提取标题
         body.title = lexer(body.content).find(x => x.type === 'heading' && x.depth === 1)?.text || ''
+        body.tags = lexer(body.content).map(token => findTags(token)).flat()
         await blog.setItem(body.id, body)
         return body
-        //const { content } = await readBody(event)
-        //if (!content) {
-        //    event.node.res.statusCode = 400
-        //    return { success: false, message: '内容不可为空' }
-        //}
-        //const date = Date.now()
-        //const data = { id: v4(), content, createdAt:date, updatedAt:date, user_id }
-        //await blog.setItem(data.id, data)
-        //data.html = marked(data.content, { breaks: true })
-        //const regex = /<code\s+class="(.*)"\s*>([\s\S]*?)<\/code>/g;
-        //data.html = data.html.replace(regex, (match, p1, p2) => {
-        //    const html = hljs.highlightAuto(he.decode(p2)).value
-        //    return `<code class="${p1} hljs">${html}</code>`
-        //})
-        //// 提取标题
-        //const tokens = lexer(data.content)
-        //const title = tokens.find(item => item.type === 'heading' && item.depth === 1)
-        //data.title = title ? title.text : ''
-        //// 提取标签
-        //data.tags = []
-        //tokens.forEach(token => {
-        //    findTags(token).forEach(tag => data.tags.push(tag))
-        //})
-        //// 将时间戳转换为 UTC 时间
-        //data.createdAt = new Date(data.createdAt)
-        //data.updatedAt = new Date(data.updatedAt)
-        //return data
     }
 
     // 处理其他请求

server/api/tag/index.js

@@ -1,25 +1,12 @@
-import fs from 'fs';
-import { lexer } from 'marked';
-
 export default defineEventHandler(async event => {
+    const tags = useStorage('tags')
 
-    // 处理 GET 请求
     if (event.node.req.method === 'GET') {
-        // 读取所有 blog 中的 md 文件, 以此来获取所有的 tag
+        return await tags.getKeys().then(keys => {
-        const loadtags = (item) => {
+            return Promise.all(keys.map(async key => {
-            const list = [];
+                return tags.getItem(key).then(data => data)
-            if (item.type === 'em') list.push(item.text);
+            }))
-            if (item.type === 'strong') list.push(item.text);
+        })
-            item.tokens?.forEach(token => {
-                loadtags(token).forEach(tag => list.push(tag));
-            });
-            return list;
-        }
-        const tags = fs.readdirSync('data/blog/markdown').map(file => {
-            const content = fs.readFileSync(`data/blog/markdown/${file}`, 'utf-8');
-            return loadtags({ tokens: lexer(content) })
-        });
-        return tags.flat();
     }
 
 })