`;// Close MHTML structure (using direct base64 embedding instead of separate parts) // This approach embeds images directly in the HTML which works better for DOC files // Store the MHTML content this.document = mhtmlContent; } catch (error) { console.error('Document creation error:', error); throw new Error('Failed to create document: ' + error.message); } }// Helper function to convert blob to base64 blobToBase64(blob) { return new Promise((resolve, reject) => { const reader = new FileReader(); reader.onload = () => resolve(reader.result); reader.onerror = reject; reader.readAsDataURL(blob); }); }async downloadDocument() { try { const downloadButton = document.getElementById('downloadButton'); downloadButton.disabled = true; downloadButton.innerHTML = ' Preparing Download...';// Create DOC file using HTML format that Microsoft Word recognizes const blob = new Blob([this.document], { type: 'application/msword' }); const fileName = `converted-heif-images-${new Date().toISOString().split('T')[0]}.doc`; // Use appropriate save function if (typeof saveAs !== 'undefined') { saveAs(blob, fileName); } else { // Fallback to manual download const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = fileName; a.style.display = 'none'; document.body.appendChild(a); a.click(); document.body.removeChild(a); URL.revokeObjectURL(url); } } catch (error) { console.error('Download error:', error); this.showError('Failed to download document: ' + error.message); } finally { const downloadButton = document.getElementById('downloadButton'); downloadButton.disabled = false; downloadButton.innerHTML = ' Download DOC File'; } }// Utility methods showProgress(text) { document.getElementById('progressSection').style.display = 'block'; document.getElementById('progressText').textContent = text; this.hideMessages(); }updateProgress(text, percentage) { document.getElementById('progressText').textContent = text; document.getElementById('progressFill').style.width = percentage + '%'; }hideProgress() { document.getElementById('progressSection').style.display = 'none'; }showSuccess(message) { const successSection = document.getElementById('successSection'); successSection.textContent = message; successSection.style.display = 'block'; this.hideError(); }showError(message) { const errorSection = document.getElementById('errorSection'); errorSection.textContent = message; errorSection.style.display = 'block'; this.hideSuccess(); }hideSuccess() { document.getElementById('successSection').style.display = 'none'; }hideError() { document.getElementById('errorSection').style.display = 'none'; }hideMessages() { this.hideSuccess(); this.hideError(); }showDownloadSection() { document.getElementById('downloadSection').style.display = 'block'; }hideDownloadSection() { document.getElementById('downloadSection').style.display = 'none'; }reset() { this.files = []; this.convertedImages = []; this.document = null; document.getElementById('fileInput').value = ''; this.updateFileList(); this.hideMessages(); this.hideProgress(); this.hideDownloadSection(); // Reset convert button const convertButton = document.getElementById('convertButton'); convertButton.disabled = false; convertButton.innerHTML = ' Convert to DOC'; } }