diff --git a/pos/static/js/pos.js b/pos/static/js/pos.js
index d01fada..c1374ab 100644
--- a/pos/static/js/pos.js
+++ b/pos/static/js/pos.js
@@ -1660,41 +1660,39 @@ const POS = (() => {
function printTicket() {
const src = document.getElementById('ticketContent');
- if (!src) return;
+ if (!src) { console.warn('printTicket: ticketContent not found'); return; }
- // Paper width: 58 mm -> 48 mm printable; 80 mm -> 72 mm printable.
+ try {
+ // Paper width: 58 mm -> 48 mm printable; 80 mm -> 72 mm printable.
+ const paperWidth = parseInt(rc('paper_width', '80'), 10) || 80;
+ const is58 = paperWidth === 58;
+ const printWidth = is58 ? 48 : 72;
+ const fontSize = is58 ? '12pt' : '14pt';
+ const smallFont = is58 ? '10pt' : '12pt';
+ const nameMax = is58 ? '20mm' : '38mm';
+ let iframe = document.getElementById('ticketPrintFrame');
+ if (!iframe) {
+ iframe = document.createElement('iframe');
+ iframe.id = 'ticketPrintFrame';
+ iframe.style.position = 'fixed';
+ iframe.style.left = '-9999px';
+ iframe.style.top = '0';
+ iframe.style.width = printWidth + 'mm';
+ iframe.style.border = '0';
+ document.body.appendChild(iframe);
+ }
- let iframe = document.getElementById('ticketPrintFrame');
- if (!iframe) {
- iframe = document.createElement('iframe');
- iframe.id = 'ticketPrintFrame';
- iframe.style.position = 'fixed';
- iframe.style.left = '-9999px';
- iframe.style.top = '0';
- iframe.style.width = printWidth + 'mm';
- iframe.style.border = '0';
- document.body.appendChild(iframe);
- }
-
- const paperWidth = parseInt(rc('paper_width', '80'), 10) || 80;
- const is58 = paperWidth === 58;
- // Render at the real printable width so text is not scaled down by the driver.
- const printWidth = is58 ? 48 : 72;
- const fontSize = is58 ? '12pt' : '14pt';
- const smallFont = is58 ? '10pt' : '12pt';
- const nameMax = is58 ? '20mm' : '38mm';
-
- const doc = iframe.contentDocument || iframe.contentWindow.document;
- doc.open();
- doc.write(`
+ const doc = iframe.contentDocument || iframe.contentWindow.document;
+ doc.open();
+ doc.write(`
${src.innerHTML}
`);
- doc.close();
+ doc.close();
- // Measure real content height and set exact page size (avoids phantom 3276 mm).
- const bodyEl = doc.body;
- const heightPx = Math.max(bodyEl.scrollHeight, bodyEl.offsetHeight);
- const heightMm = Math.ceil((heightPx * 25.4 / 96) + 5);
+ // Measure real content height and set exact page size (avoids phantom 3276 mm).
+ const bodyEl = doc.body;
+ const heightPx = Math.max(bodyEl.scrollHeight, bodyEl.offsetHeight);
+ const heightMm = Math.ceil((heightPx * 25.4 / 96) + 5);
- const exactPage = doc.createElement('style');
- exactPage.textContent = `@page { margin: 0; size: ${printWidth}mm ${heightMm}mm; }`;
- doc.head.appendChild(exactPage);
+ const exactPage = doc.createElement('style');
+ exactPage.textContent = `@page { margin: 0; size: ${printWidth}mm ${heightMm}mm; }`;
+ doc.head.appendChild(exactPage);
- iframe.contentWindow.focus();
- setTimeout(() => { iframe.contentWindow.print(); }, 150);
+ iframe.contentWindow.focus();
+ setTimeout(() => {
+ try {
+ iframe.contentWindow.print();
+ } catch (e) {
+ console.error('printTicket: iframe.print failed', e);
+ window.print();
+ }
+ }, 200);
+ } catch (e) {
+ console.error('printTicket error:', e);
+ alert('No se pudo preparar la impresion del ticket. Revise la consola.');
+ }
}
// ─── Thermal Printing ─────────────────
diff --git a/pos/static/pwa/sw.js b/pos/static/pwa/sw.js
index c0a6b26..5625f66 100644
--- a/pos/static/pwa/sw.js
+++ b/pos/static/pwa/sw.js
@@ -6,7 +6,7 @@
// The fetch handler normalizes static asset URLs (strips ?v= query strings)
// so templates can use cache-busting query params freely.
-const VERSION = 50;
+const VERSION = 51;
const CACHE_NAME = 'nexus-pos-v' + VERSION;
const APP_SHELL = [