Clinical Note

'use client'; import { useCallback } from 'react'; export type NoteExportFormat = 'pdf' | 'docx' | 'txt'; export function useNoteExport() { // Export to plain text const exportToText = useCallback((noteText: string): void => { downloadFile( noteText, `clinical-note-${new Date().toISOString().split('T')[0]}.txt`, 'text/plain' ); }, []); // Export to PDF (using print dialog) const exportToPDF = useCallback((noteText: string): void => { const printWindow = window.open('', '', 'width=800,height=600'); if (!printWindow) { alert('Please allow popups to export to PDF'); return; } const html = generatePrintHTML(noteText); printWindow.document.write(html); printWindow.document.close(); printWindow.onload = () => { printWindow.focus(); printWindow.print(); }; }, []); // Export to DOCX (using docx library) const exportToDocx = useCallback(async (noteText: string): Promise => { const { Document, Packer, Paragraph, TextRun, AlignmentType } = await import('docx'); // Split text into paragraphs const paragraphs = noteText.split('\n').map(line => new Paragraph({ children: [ new TextRun({ text: line || ' ', // Add space for empty lines to preserve spacing font: 'Arial', size: 22, // 11pt in half-points }), ], spacing: { after: 200, // spacing after paragraph }, }) ); // Create document with header const doc = new Document({ sections: [{ properties: {}, children: [ new Paragraph({ children: [ new TextRun({ text: 'Clinical Note', bold: true, font: 'Arial', size: 28, // 14pt in half-points }), ], alignment: AlignmentType.CENTER, spacing: { after: 400, }, }), ...paragraphs, ], }], }); // Generate and download const blob = await Packer.toBlob(doc); const url = URL.createObjectURL(blob); const link = document.createElement('a'); link.href = url; link.download = `clinical-note-${new Date().toISOString().split('T')[0]}.docx`; document.body.appendChild(link); link.click(); document.body.removeChild(link); URL.revokeObjectURL(url); }, []); // Main export function const exportNote = useCallback( async (format: NoteExportFormat, noteText: string) => { if (!noteText.trim()) { return; } switch (format) { case 'txt': exportToText(noteText); break; case 'pdf': exportToPDF(noteText); break; case 'docx': await exportToDocx(noteText); break; } }, [exportToText, exportToPDF, exportToDocx] ); return { exportNote }; } // Utility function to download file function downloadFile(content: string, filename: string, mimeType: string) { const blob = new Blob([content], { type: mimeType }); const url = URL.createObjectURL(blob); const link = document.createElement('a'); link.href = url; link.download = filename; document.body.appendChild(link); link.click(); document.body.removeChild(link); URL.revokeObjectURL(url); } // Generate print-friendly HTML for PDF export function generatePrintHTML(noteText: string): string { return ` Clinical Note

${escapeHtml(noteText)}

`; } function escapeHtml(text: string): string { const div = document.createElement('div'); div.textContent = text; return div.innerHTML; }