fix(desktop): Export as HTML uses the current doc + lets you choose the location

src/App.tsx

@@ -69,7 +69,7 @@ import {
 import { formatTable, toggleTaskCheckboxOnLine } from "./lib/cm-table-format";
 import { collapseBlankLines } from "./lib/collapse-blanks";
 import { sliceEmbed, splitEmbedTarget } from "./lib/embed-slice";
-import { exportHtml, exportPdfViaPrint } from "./lib/export";
+import { exportPdfViaPrint } from "./lib/export";
 import { installFocusTypewriter } from "./lib/focus-typewriter";
 import { wikilinkAtCursor } from "./lib/follow-wikilink";
 import {
@@ -131,6 +131,7 @@ import {
   refreshGitHubVault,
   openNewWindow,
   openVault,
+  pickHtmlSavePath,
   pickSavePath,
   pickVault,
   pushRecentFileNative,
@@ -1215,19 +1216,38 @@ export function App() {
   }, []);
 
   async function handleExportHtml() {
-    if (!tab) return;
-    const baseName = (tab.name || "Untitled").replace(/\.[^.]+$/, "");
+    // Read the live active tab from the store, not a captured render closure:
+    // the menu listener is registered once, so a closed-over `tab` would always
+    // be the first (welcome) document.
+    const state = useAppStore.getState();
+    const t = state.activeTabId
+      ? state.tabs.find((x) => x.id === state.activeTabId)
+      : null;
+    if (!t) return;
+    const baseName = (t.name || "Untitled").replace(/\.[^.]+$/, "");
     try {
-      await exportHtml(tab.content, baseName, exportTheme);
+      // Let the user pick where to save (instead of a silent Downloads dump).
+      const raw = await pickHtmlSavePath(`${baseName}.html`);
+      if (!raw) return; // cancelled
+      const target = /\.html?$/i.test(raw) ? raw : `${raw}.html`;
+      const html = await renderHtml(t.content, baseName, exportTheme);
+      await writeFile(target, html, null);
+      showToast(tr("toast.exportedHtml", target.split("/").pop() || target));
     } catch (e) {
       console.error("exportHtml failed", e);
+      setActiveStatus("error", String(e));
     }
   }
   async function handleExportPdf() {
-    if (!tab) return;
-    const title = tab.name || "Untitled";
+    // Same stale-closure fix as handleExportHtml — read the live active tab.
+    const state = useAppStore.getState();
+    const t = state.activeTabId
+      ? state.tabs.find((x) => x.id === state.activeTabId)
+      : null;
+    if (!t) return;
+    const title = t.name || "Untitled";
     try {
-      await exportPdfViaPrint(tab.content, title, exportTheme);
+      await exportPdfViaPrint(t.content, title, exportTheme);
     } catch (e) {
       console.error("exportPdf failed", e);
     }

src/lib/export.ts

@@ -40,25 +40,3 @@ export async function exportPdfViaPrint(
   win.focus();
   win.print();
 }
-
-/** Trigger a download of a string as `filename` with given mime. */
-function downloadString(text: string, filename: string, mime: string) {
-  const blob = new Blob([text], { type: mime });
-  const url = URL.createObjectURL(blob);
-  const a = document.createElement("a");
-  a.href = url;
-  a.download = filename;
-  document.body.appendChild(a);
-  a.click();
-  document.body.removeChild(a);
-  setTimeout(() => URL.revokeObjectURL(url), 1000);
-}
-
-export async function exportHtml(
-  content: string,
-  baseName: string,
-  theme: ExportTheme = "github",
-) {
-  const html = await renderHtml(content, baseName, theme);
-  downloadString(html, `${baseName}.html`, "text/html");
-}

src/lib/locales/en.ts

@@ -112,6 +112,7 @@ export const en = {
   "toast.githubUpdated": "GitHub vault updated ({0})",
   "toast.githubUpToDate": "Already up to date",
   "toast.githubPullFailed": "Couldn't pull from GitHub",
+  "toast.exportedHtml": "Exported {0}",
   "github.confirmPullDirty":
     "{0} file(s) have local changes since the last sync. Pulling from GitHub will overwrite them. Continue?",
   "toast.renameNoFile": "No file to rename",

src/lib/locales/zh.ts

@@ -113,6 +113,7 @@ export const zh: Strings = {
   "toast.githubUpdated": "GitHub 仓库已更新（{0}）",
   "toast.githubUpToDate": "已是最新",
   "toast.githubPullFailed": "无法从 GitHub 拉取",
+  "toast.exportedHtml": "已导出 {0}",
   "github.confirmPullDirty":
     "有 {0} 个文件在上次同步后被本地修改过。从 GitHub 拉取会覆盖这些改动。是否继续？",
   "toast.renameNoFile": "没有可重命名的文件",

src/lib/tauri.ts

@@ -24,6 +24,18 @@ export async function pickSavePath(defaultName: string): Promise<string | null>
   return path ?? null;
 }
 
+/** Save dialog for an exported HTML file (filters to .html). Authorizes the
+ * chosen path for writing, like pickSavePath. */
+export async function pickHtmlSavePath(defaultName: string): Promise<string | null> {
+  const path = await saveDialog({
+    title: "Export as HTML",
+    defaultPath: defaultName,
+    filters: [{ name: "HTML", extensions: ["html", "htm"] }],
+  });
+  if (path) await authorizePaths([path]);
+  return path ?? null;
+}
+
 export async function openFileDialog(): Promise<LoadedFile | null> {
   return await invoke<LoadedFile | null>("open_file");
 }