A Letter Template

`;// Open new window const printWindow = window.open("", "_blank"); if (!printWindow) { console.error("Failed to open the print window. Check for pop-up blockers."); return; }printWindow.document.open(); printWindow.document.write(printHtml); printWindow.document.close();printWindow.onload = () => { if (!isMobile()) { printWindow.print(); setTimeout(() => { printWindow.close(); }, 10); } else { console.log("Mobile detected. Waiting for user to click Print."); } }; } catch (error) { console.error("Error during the fetch or print process:", error); } });function isMobile() { return /Mobi|Android/i.test(navigator.userAgent); }function blobToBase64(blob) { return new Promise((resolve, reject) => { const reader = new FileReader(); reader.onloadend = () => resolve(reader.result); reader.onerror = reject; reader.readAsDataURL(blob); }); } })();