update at 2025-09-22 16:49:33

src/article-render.ts

@@ -54,6 +54,7 @@ export class ArticleRender implements MDRendererCallback {
   markedParser: MarkedParser;
   cachedElements: Map<string, string> = new Map();
   debouncedRenderMarkdown: (...args: any[]) => void;
+  originalMarkdown: string | null = null; // 保存去除前处理前的原始 Markdown
 
   constructor(app: App, itemView: ItemView, styleEl: HTMLElement, articleDiv: HTMLDivElement) {
     this.app = app;
@@ -162,10 +163,28 @@ export class ArticleRender implements MDRendererCallback {
       else {
         md = '没有可渲染的笔记或文件不支持渲染';
       }
+      this.originalMarkdown = md; // 保存原始内容（含 frontmatter）供封面/摘要自动提取
       if (md.startsWith('---')) {
         md = md.replace(FRONT_MATTER_REGEX, '');
       }
 
+      // 将标准 markdown 图片语法转为 wikilink 语法，便于现有 LocalImageManager 识别
+      if (this.settings.enableMarkdownImageToWikilink) {
+        // 匹配 ![alt](path/to/name.ext)；不跨行；忽略包含空格的 URL 末尾注释
+        // 捕获路径和文件名，文件名取最后一段
+        md = md.replace(/!\[[^\]]*\]\(([^)\s]+)\)/g, (full, p1) => {
+          try {
+            // 去掉可能的 query/hash
+            const clean = p1.split('#')[0].split('?')[0];
+            const filename = clean.split('/').pop();
+            if (!filename) return full; // 无法解析
+            // 仅当是常见图片扩展时才替换
+            if (!filename.match(/\.(png|jpe?g|gif|bmp|webp|svg|tiff)$/i)) return full;
+            return `![[${filename}]]`;
+          } catch { return full; }
+        });
+      }
+
       this.articleHTML = await this.markedParser.parse(md);
       this.setStyle(this.getCSS());
       this.setArticle(this.articleHTML);
@@ -233,11 +252,14 @@ export class ArticleRender implements MDRendererCallback {
     if (metadata?.frontmatter) {
       const keys = this.assetsManager.expertSettings.frontmatter;
       const frontmatter = metadata.frontmatter;
-      res.title = this.getFrontmatterValue(frontmatter, keys.title);
-      res.author = this.getFrontmatterValue(frontmatter, keys.author);
+      // frontmatter 优先：如果存在 title/author 则直接取之
+      const fmTitle = this.getFrontmatterValue(frontmatter, keys.title) || frontmatter['title'];
+      const fmAuthor = this.getFrontmatterValue(frontmatter, keys.author) || frontmatter['author'];
+      if (fmTitle) res.title = fmTitle;
+      if (fmAuthor) res.author = fmAuthor;
       res.digest = this.getFrontmatterValue(frontmatter, keys.digest);
       res.content_source_url = this.getFrontmatterValue(frontmatter, keys.content_source_url);
-      res.cover = this.getFrontmatterValue(frontmatter, keys.cover);
+      res.cover = this.getFrontmatterValue(frontmatter, keys.cover) || frontmatter['cover'] || frontmatter['image'];
       res.thumb_media_id = this.getFrontmatterValue(frontmatter, keys.thumb_media_id);
       res.need_open_comment = frontmatter[keys.need_open_comment] ? 1 : undefined;
       res.only_fans_can_comment = frontmatter[keys.only_fans_can_comment] ? 1 : undefined;
@@ -252,6 +274,41 @@ export class ArticleRender implements MDRendererCallback {
         res.pic_crop_1_1 = '0_0.525_0.404_1';
       }
     }
+
+    // 如果未显式指定封面，尝试从正文首图( markdown 或 wikilink ) 提取，按出现顺序优先
+    if (!res.cover && this.originalMarkdown) {
+      let body = this.originalMarkdown;
+      if (body.startsWith('---')) body = body.replace(FRONT_MATTER_REGEX, '');
+
+      // 同时匹配两种形式并比较 index
+      const mdImgPattern = /!\[[^\]]*\]\(([^)\s]+)\)/g; // group1 为路径
+      const wikilinkPattern = /!\[\[(.+?)\]\]/g;         // group1 为文件名或 path
+      interface Candidate { idx:number; basename:string; }
+      const candidates: Candidate[] = [];
+
+      let m: RegExpExecArray | null;
+      while ((m = mdImgPattern.exec(body)) !== null) {
+        const rawPath = m[1];
+        if (/^https?:\/\//i.test(rawPath)) continue; // 跳过远程
+        const clean = rawPath.split('#')[0].split('?')[0];
+        const basename = clean.split('/').pop();
+        if (basename && /\.(png|jpe?g|gif|bmp|webp|svg|tiff)$/i.test(basename)) {
+          candidates.push({ idx: m.index, basename });
+        }
+      }
+      while ((m = wikilinkPattern.exec(body)) !== null) {
+        const inner = m[1].trim();
+        const clean = inner.split('#')[0].split('?')[0];
+        const basename = clean.split('/').pop();
+        if (basename && /\.(png|jpe?g|gif|bmp|webp|svg|tiff)$/i.test(basename)) {
+          candidates.push({ idx: m.index, basename });
+        }
+      }
+      if (candidates.length > 0) {
+        candidates.sort((a,b)=> a.idx - b.idx);
+        res.cover = `![[${candidates[0].basename}]]`;
+      }
+    }
     return res;
   }