1.3.3

Mobile browsers block window.open() after async operations. Changed all
file viewers to open a blank window synchronously in the click handler,
then set location.href after fetch completes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "app-ts",
-  "version": "1.3.1",
+  "version": "1.3.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "app-ts",
-      "version": "1.3.1",
+      "version": "1.3.3",
       "license": "ISC",
       "dependencies": {
         "@dnd-kit/core": "^6.3.1",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "app-ts",
-  "version": "1.3.1",
+  "version": "1.3.3",
   "description": "",
   "main": "dist/server.js",
   "scripts": {

src/admin/pages/InvoiceDetail.tsx

@@ -975,18 +975,21 @@ export default function InvoiceDetail() {
 
   // ─── Edit mode: PDF export ───
   const handleViewPdf = async (_lang = "cs") => {
+    const newWindow = window.open("", "_blank");
     setPdfLoading(true);
     try {
       const response = await apiFetch(`${API_BASE}/invoices/${id}/file`);
       if (!response.ok) {
+        newWindow?.close();
         alert.error("PDF soubor nenalezen — uložte fakturu pro vygenerování");
         return;
       }
       const blob = await response.blob();
       const url = URL.createObjectURL(blob);
-      window.open(url, "_blank");
+      if (newWindow) newWindow.location.href = url;
       setTimeout(() => URL.revokeObjectURL(url), 60000);
     } catch {
+      newWindow?.close();
       alert.error("Chyba připojení");
     } finally {
       setPdfLoading(false);

src/admin/pages/OfferDetail.tsx

@@ -768,19 +768,25 @@ export default function OfferDetail() {
 
   const handlePdf = async () => {
     if (!isEdit || pdfLoading) return;
+    const newWindow = window.open("", "_blank");
     setPdfLoading(true);
     try {
       const response = await apiFetch(`${API_BASE}/offers/${id}/file`);
-      if (response.status === 401) return;
+      if (response.status === 401) {
+        newWindow?.close();
+        return;
+      }
       if (!response.ok) {
+        newWindow?.close();
         alert.error("PDF soubor nenalezen — uložte nabídku pro vygenerování");
         return;
       }
       const blob = await response.blob();
       const url = URL.createObjectURL(blob);
-      window.open(url, "_blank");
+      if (newWindow) newWindow.location.href = url;
       setTimeout(() => URL.revokeObjectURL(url), 60000);
     } catch {
+      newWindow?.close();
       alert.error("Chyba při generování PDF");
     } finally {
       setPdfLoading(false);

src/admin/pages/Offers.tsx

@@ -221,26 +221,28 @@ export default function Offers() {
 
   const handlePdf = async (quotation: Quotation) => {
     if (pdfLoading) return;
+    const newWindow = window.open("", "_blank");
     setPdfLoading(quotation.id);
     try {
-      const response = await apiFetch(`${API_BASE}/offers-pdf/${quotation.id}`);
-      if (response.status === 401) return;
-      if (!response.ok) {
-        alert.error("Nepodařilo se vygenerovat PDF");
+      const response = await apiFetch(
+        `${API_BASE}/offers/${quotation.id}/file`,
+      );
+      if (response.status === 401) {
+        newWindow?.close();
         return;
       }
-      const html = await response.text();
-      const w = window.open("", "_blank");
-      if (w) {
-        w.document.open();
-        w.document.write(html);
-        w.document.close();
-        w.onload = () => w.print();
-      } else {
-        alert.error("Prohlížeč zablokoval vyskakovací okno");
+      if (!response.ok) {
+        newWindow?.close();
+        alert.error("PDF soubor nenalezen — otevřete nabídku a uložte ji");
+        return;
       }
+      const blob = await response.blob();
+      const url = URL.createObjectURL(blob);
+      if (newWindow) newWindow.location.href = url;
+      setTimeout(() => URL.revokeObjectURL(url), 60000);
     } catch {
-      alert.error("Chyba při generování PDF");
+      newWindow?.close();
+      alert.error("Chyba připojení");
     } finally {
       setPdfLoading(null);
     }
@@ -753,7 +755,7 @@ export default function Offers() {
                               <button
                                 onClick={() => handlePdf(q)}
                                 className="admin-btn-icon"
-                                title="PDF"
+                                title="Zobrazit nabídku"
                                 disabled={pdfLoading === q.id}
                               >
                                 {pdfLoading === q.id ? (

src/admin/pages/ReceivedInvoices.tsx

@@ -503,19 +503,22 @@ export default function ReceivedInvoices({
   };
 
   const openFile = async (inv: ReceivedInvoice) => {
+    const newWindow = window.open("", "_blank");
     try {
       const response = await apiFetch(
         `${API_BASE}/received-invoices/${inv.id}/file`,
       );
       if (!response.ok) {
+        newWindow?.close();
         alert.error("Nepodařilo se načíst soubor");
         return;
       }
       const blob = await response.blob();
       const url = URL.createObjectURL(blob);
-      window.open(url, "_blank");
+      if (newWindow) newWindow.location.href = url;
       setTimeout(() => URL.revokeObjectURL(url), 60000);
     } catch {
+      newWindow?.close();
       alert.error("Chyba připojení");
     }
   };