初始化项目

apps/server/src/lib/bookmarkHtmlNode.js

@@ -0,0 +1,93 @@
+import * as cheerio from "cheerio";
+
+export function parseNetscapeBookmarkHtmlNode(html) {
+  const $ = cheerio.load(html, { decodeEntities: false });
+  const rootDl = $("dl").first();
+  if (!rootDl.length) return { folders: [], bookmarks: [] };
+
+  const folders = [];
+  const bookmarks = [];
+
+  function walkDl($dl, parentTempId) {
+    // Netscape format: <DL><p> contains repeating <DT> items and nested <DL>
+    const children = $dl.children().toArray();
+    for (let i = 0; i < children.length; i++) {
+      const node = children[i];
+      if (!node || node.tagName?.toLowerCase() !== "dt") continue;
+
+      const $dt = $(node);
+      const $h3 = $dt.children("h3").first();
+      const $a = $dt.children("a").first();
+      const $next = $(children[i + 1] || null);
+      const nextIsDl = $next && $next[0]?.tagName?.toLowerCase() === "dl";
+
+      if ($h3.length) {
+        const tempId = `${folders.length + 1}`;
+        const name = ($h3.text() || "").trim();
+        folders.push({ tempId, parentTempId: parentTempId ?? null, name });
+        if (nextIsDl) walkDl($next, tempId);
+      } else if ($a.length) {
+        const title = ($a.text() || "").trim();
+        const url = $a.attr("href") || "";
+        bookmarks.push({ parentTempId: parentTempId ?? null, title, url });
+      }
+    }
+  }
+
+  walkDl(rootDl, null);
+  return { folders, bookmarks };
+}
+
+export function buildNetscapeBookmarkHtml({ folders, bookmarks }) {
+  // folders: [{id, parentId, name}]
+  // bookmarks: [{folderId, title, url}]
+  const folderChildren = new Map();
+  const bookmarkChildren = new Map();
+
+  for (const f of folders) {
+    const key = f.parentId ?? "root";
+    if (!folderChildren.has(key)) folderChildren.set(key, []);
+    folderChildren.get(key).push(f);
+  }
+  for (const b of bookmarks) {
+    const key = b.folderId ?? "root";
+    if (!bookmarkChildren.has(key)) bookmarkChildren.set(key, []);
+    bookmarkChildren.get(key).push(b);
+  }
+
+  function esc(s) {
+    return String(s)
+      .replaceAll("&", "&amp;")
+      .replaceAll("<", "&lt;")
+      .replaceAll(">", "&gt;")
+      .replaceAll('"', "&quot;");
+  }
+
+  function renderFolder(parentId) {
+    const key = parentId ?? "root";
+    const subFolders = (folderChildren.get(key) || []).slice().sort((a, b) => a.name.localeCompare(b.name));
+    const subBookmarks = (bookmarkChildren.get(key) || []).slice().sort((a, b) => a.title.localeCompare(b.title));
+
+    let out = "<DL><p>\n";
+
+    for (const f of subFolders) {
+      out += `    <DT><H3>${esc(f.name)}</H3>\n`;
+      out += renderFolder(f.id)
+        .split("\n")
+        .map((line) => (line ? `    ${line}` : line))
+        .join("\n");
+      out += "\n";
+    }
+
+    for (const b of subBookmarks) {
+      out += `    <DT><A HREF=\"${esc(b.url)}\">${esc(b.title)}</A>\n`;
+    }
+
+    out += "</DL><p>";
+    return out;
+  }
+
+  const header = `<!DOCTYPE NETSCAPE-Bookmark-file-1>\n<!-- This is an automatically generated file. -->\n<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=UTF-8\">\n<TITLE>Bookmarks</TITLE>\n<H1>Bookmarks</H1>\n`;
+  const body = renderFolder(null);
+  return header + body + "\n";
+}