import fs from 'fs';
import PDFDocument from 'pdfkit';
const inPath = 'DEMO_HANDOUT.md';
const outPath = 'DEMO_HANDOUT.pdf';
if (!fs.existsSync(inPath)) {
console.error('Missing', inPath);
process.exit(1);
}
const md = fs.readFileSync(inPath, 'utf8');
const doc = new PDFDocument({ size: 'A4', margin: 50 });
const out = fs.createWriteStream(outPath);
doc.pipe(out);
function writeWrapped(text, options = {}) {
const { indent = 0, fontSize = 11, lineGap = 4 } = options;
doc.fontSize(fontSize);
const width = doc.page.width - doc.page.margins.left - doc.page.margins.right - indent;
const lines = doc.splitTextToSize(text, width);
for (const line of lines) {
doc.text(line, { continued: false, indent });
}
doc.moveDown(0.5);
}
const lines = md.split(/\r?\n/);
for (let i = 0; i < lines.length; i++) {
const line = lines[i].trimEnd();
if (!line) {
doc.moveDown(0.5);
continue;
}
// Heading (line wrapped in **...**)
if (line.startsWith('**') && line.endsWith('**')) {
const title = line.replace(/^\*\*|\*\*$/g, '').trim();
doc.font('Helvetica-Bold');
doc.fontSize(18);
doc.text(title);
doc.moveDown(0.5);
doc.font('Helvetica');
doc.fontSize(11);
continue;
}
// Bullet list
if (line.startsWith('- ')) {
const content = line.slice(2).trim();
if (content.startsWith('**')) {
// bold keyword like - **Purpose:** ...
const m = content.match(/^\*\*(.+?)\*\*:\s*(.*)$/);
if (m) {
const key = m[1];
const rest = m[2];
doc.font('Helvetica-Bold');
doc.text('\u2022 ' + key + ': ', { continued: true });
doc.font('Helvetica');
writeWrapped(rest, { indent: 14, fontSize: 11 });
continue;
}
}
// plain bullet
doc.text('\u2022 ' + content);
continue;
}
// Sub-bullets (two spaces then - )
if (line.startsWith(' - ')) {
const content = line.slice(4).trim();
doc.text(' \u2022 ' + content);
continue;
}
// Regular paragraph
writeWrapped(line);
}
doc.end();
out.on('finish', () => {
console.log('Wrote', outPath);
});
