refactor: path handling

src/components/md-link.tsx

@@ -2,6 +2,7 @@ import { customElement, noShadowDOM } from "solid-element";
 import { createSignal, onCleanup } from "solid-js";
 import { render } from "solid-js/web";
 import { Article } from "./Article";
+import { resolvePath } from "../utils/path";
 
 customElement("md-link", {}, (props, { element }) => {
   noShadowDOM();
@@ -12,7 +13,7 @@ customElement("md-link", {}, (props, { element }) => {
 
   // 从 element 的 textContent 获取链接目标（支持 path#section 语法）
   const rawLinkSrc = element?.textContent?.trim() || "";
-  
+
   // 解析 section（支持 path#section 语法）
   const hashIndex = rawLinkSrc.indexOf('#');
   const path = hashIndex >= 0 ? rawLinkSrc.slice(0, hashIndex) : rawLinkSrc;
@@ -27,15 +28,7 @@ customElement("md-link", {}, (props, { element }) => {
   const articleEl = element?.closest('article[data-src]');
   const articlePath = articleEl?.getAttribute('data-src') || '';
 
-  // 解析相对路径（相对于 markdown 文件所在目录）
-  const resolvePath = (base: string, relative: string): string => {
-    if (relative.startsWith('/')) {
-      return relative;
-    }
-    const baseDir = base.substring(0, base.lastIndexOf('/') + 1);
-    return baseDir + relative;
-  };
-
+  // 解析相对路径
   const linkSrc = resolvePath(articlePath, path);
 
   // 查找包含此元素的 p 标签