// Generates Mintlify help documentation pages from a Contentful CSV export. // Usage: // node ./lib/genHelpFromCsv.js -i ./lib/contentful-help-export.csv \ // -o ./help -d ./images/help --update-nav ./docs.json // Options: // -i, --input CSV export file from Contentful // -o, --out Root output directory for help articles (default: /help) // -d, --assets Directory to store downloaded images (default: /images/help) // --update-nav Update docs.json Help tab navigation // --dry-run Parse and report without writing files // --force Overwrite existing article files // --verbose Extra logging // Assumptions: // CSV columns (headers) include: Name, Slug, Categories, Answer, Meta description, Updated, status // Image references appear in markdown as ![alt](//images.ctfassets.net/....) // Each row maps to a single article (no multi-category rows). If multiple categories are present (comma separated), // the first becomes primary category, remaining appended as tags in frontmatter. import { readFile, writeFile, mkdir, access } from 'node:fs/promises'; import { createWriteStream } from 'node:fs'; import path from 'node:path'; import { fileURLToPath } from 'node:url'; import { pipeline } from 'node:stream/promises'; import { createReadStream } from 'node:fs'; import process from 'node:process'; import { parse } from 'csv-parse'; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); function log(...args) { console.log('[genHelp]', ...args); } function parseArgs(argv) { const args = { input: null, out: '/help', assets: '/images/help', dryRun: false, force: false, verbose: false, updateNav: null, genIndex: false }; for (let i = 2; i < argv.length; i++) { const a = argv[i]; switch (a) { case '-i': case '--input': args.input = argv[++i]; break; case '-o': case '--out': args.out = argv[++i]; break; case '-d': case '--assets': args.assets = argv[++i]; break; case '--update-nav': args.updateNav = argv[++i]; break; case '--dry-run': args.dryRun = true; break; case '--force': args.force = true; break; case '--verbose': args.verbose = true; break; case '--gen-index': args.genIndex = true; break; case '-h': case '--help': printHelp(); process.exit(0); default: if (a.startsWith('--')) throw new Error(`Unknown flag: ${a}`); } } if (!args.input) throw new Error('Missing --input '); return args; } function printHelp() { console.log(`Usage: node lib/genHelpFromCsv.js -i [options]\n` + `Options:\n` + ` -i, --input CSV export file from Contentful (required)\n` + ` -o, --out Output directory for help articles (default /help)\n` + ` -d, --assets Image asset directory (default /images/help)\n` + ` --update-nav Update docs.json navigation for Help tab\n` + ` --dry-run Do not write any files\n` + ` --force Overwrite existing article files\n` + ` --verbose Verbose logging\n` + ` --gen-index Generate/overwrite category overview index page (index.mdx)\n` + ` -h, --help Show help`); } function slugify(str) { return str .toString() .trim() .toLowerCase() .replace(/[^a-z0-9\s-]/g, '') .replace(/\s+/g, '-') .replace(/-+/g, '-'); } async function pathExists(p) { try { await access(p); return true; } catch { return false; } } async function ensureDir(dir) { if (!(await pathExists(dir))) await mkdir(dir, { recursive: true }); } async function parseCsv(file) { return new Promise((resolve, reject) => { const records = []; createReadStream(file) .pipe(parse({ columns: true, relaxQuotes: true, skipEmptyLines: true })) .on('data', r => records.push(r)) .on('error', reject) .on('end', () => resolve(records)); }); } const IMAGE_REGEX = /!\[[^\]]*\]$([^)]+)$/g; // markdown image syntax const RAW_ASSET_REGEX = /(https?:)?\/\/images\.ctfassets\.net\/[^)\s\"]+/g; // fallback raw URLs function extractImageUrls(markdown) { const urls = new Set(); let m; while ((m = IMAGE_REGEX.exec(markdown)) !== null) { const u = m[1]; if (/images\.ctfassets\.net/.test(u)) urls.add(u); } while ((m = RAW_ASSET_REGEX.exec(markdown)) !== null) { urls.add(m[0]); } return Array.from(urls); } function buildFrontmatter(row, category, tags) { const fm = { title: row['Name']?.trim() || row['Slug'], description: (row['Meta description'] || '').trim() || snippet(row['Answer'] || '', 180), category, updated: row['Updated'] || undefined, status: row['status'] || undefined, tags: tags.length ? tags : undefined }; const orderedKeys = ['title', 'description', 'category', 'updated', 'status', 'tags']; const lines = ['---']; for (const k of orderedKeys) { if (fm[k] === undefined || fm[k] === '') continue; if (Array.isArray(fm[k])) { lines.push(`${k}:`); fm[k].forEach(v => lines.push(` - ${v}`)); } else { // escape colon const val = String(fm[k]).replace(/"/g, '"'); lines.push(`${k}: ${val}`); } } lines.push('---', ''); return lines.join('\n'); } function snippet(text, max) { const plain = text.replace(/\r/g, '').replace(/\n+/g, ' ').trim(); if (plain.length <= max) return plain; return plain.slice(0, max).replace(/\s+\S*$/, '') + '…'; } async function downloadImage(url, assetsDir, { dryRun, verbose }) { let full = url; if (full.startsWith('//')) full = 'https:' + full; const fileName = path.basename(new URL(full).pathname).split('?')[0]; const outPath = path.join(assetsDir, fileName); if (await pathExists(outPath)) { if (verbose) log('Image cached', fileName); return outPath; } if (dryRun) { log('[dry] Would download', full, '->', outPath); return outPath; } const res = await fetch(full); if (!res.ok) throw new Error('Failed to download image ' + full + ' status ' + res.status); await ensureDir(assetsDir); await pipeline(res.body, createWriteStream(outPath)); if (verbose) log('Downloaded', fileName); return outPath; } function rewriteImageUrls(markdown, mapping, articleDir) { // mapping: originalUrl -> absolutePath let updated = markdown; for (const [orig, localPath] of mapping.entries()) { const rel = path.relative(articleDir, localPath).split(path.sep).join('/'); const pattern = new RegExp(orig.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g'); updated = updated.replace(pattern, rel.startsWith('.') ? rel : './' + rel); // Also handle protocol-less form if (orig.startsWith('//')) { const alt = 'https:' + orig; const altPattern = new RegExp(alt.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g'); updated = updated.replace(altPattern, rel.startsWith('.') ? rel : './' + rel); } } return updated; } async function updateDocsNav(docsJsonPath, categoryMap, outRoot) { const raw = await readFile(docsJsonPath, 'utf8'); const json = JSON.parse(raw); const helpTab = json.navigation?.tabs?.find(t => t.tab === 'Help'); if (!helpTab) throw new Error('Help tab not found in docs.json'); const helpGroup = helpTab.groups.find(g => g.group === 'Help'); if (!helpGroup) throw new Error('Help group not found under Help tab'); // Preserve hidden root page(s) const preserved = helpGroup.pages.filter(p => typeof p === 'object' && p.hidden); const newGroups = []; for (const [category, pages] of Array.from(categoryMap.entries()).sort((a, b) => a[0].localeCompare(b[0]))) { newGroups.push({ group: category, pages: pages.map(p => p.replace(/\\.mdx$/, '')) }); } helpGroup.pages = [...preserved, ...newGroups]; await writeFile(docsJsonPath, JSON.stringify(json, null, 2) + '\n'); log('Updated docs.json navigation with', newGroups.length, 'categories'); } function buildIndexPage(categoryMap, outDir) { const lines = [ '---', 'title: Help', 'description: Browse help topics and find quick answers.', '---', '', 'import { Card, Cards } from "@/components";', '', '> Browse by category', '' ]; // Sort categories alphabetically const categories = Array.from(categoryMap.entries()).sort((a, b) => a[0].localeCompare(b[0])); for (const [category, pages] of categories) { // Use first article as sample for snippet if possible by reading its file content (already built in memory earlier) // We'll just show count. lines.push(`### ${category}`); lines.push(''); lines.push(''); // Show up to 6 articles const sample = pages.slice(0, 6); for (const p of sample) { const slug = p.split('/').pop(); const title = slug.replace(/-/g, ' '); lines.push(``); } if (pages.length > sample.length) { lines.push(``); } lines.push('', ''); } return lines.join('\n'); } async function main() { const args = parseArgs(process.argv); if (args.verbose) log('Args', args); const rows = await parseCsv(args.input); if (!rows.length) { log('No rows found in CSV. Exiting.'); return; } await ensureDir(args.out); await ensureDir(args.assets); const articleRecords = []; const usedSlugs = new Set(); const categoryPages = new Map(); // category -> array of page paths (without extension for docs.json) for (const row of rows) { const name = row['Name']?.trim(); const slugRaw = (row['Slug'] || name || '').trim(); if (!slugRaw) { if (args.verbose) log('Skipping row without slug/name'); continue; } let slug = slugify(slugRaw); while (usedSlugs.has(slug)) slug = slug + '-2'; // simple disambiguation usedSlugs.add(slug); const categoriesRaw = (row['Categories'] || '').split(',').map(s => s.trim()).filter(Boolean); const primaryCategory = categoriesRaw[0] || 'General'; const tags = categoriesRaw.slice(1); const categorySlug = slugify(primaryCategory); const articleDir = path.join(args.out, categorySlug); const articlePath = path.join(articleDir, slug + '.mdx'); const markdown = row['Answer'] || ''; const imageUrls = extractImageUrls(markdown); const imageMap = new Map(); for (const url of imageUrls) { try { const localPath = await downloadImage(url, args.assets, args); imageMap.set(url, localPath); } catch (e) { log('WARN image failed', url, e.message); } } const rewritten = rewriteImageUrls(markdown, imageMap, articleDir); const fm = buildFrontmatter(row, primaryCategory, tags); const finalContent = fm + rewritten.trim() + '\n'; articleRecords.push({ category: primaryCategory, categorySlug, slug, path: articlePath, content: finalContent }); } // Write files for (const rec of articleRecords) { await ensureDir(path.dirname(rec.path)); if (await pathExists(rec.path) && !args.force) { log('Skip existing (use --force to overwrite)', rec.path); } else if (args.dryRun) { log('[dry] Would write', rec.path); } else { await writeFile(rec.path, rec.content, 'utf8'); log('Wrote', rec.path); } const pageRef = rec.path.replace(/\.mdx$/, '').split(path.sep).join('/'); if (!categoryPages.has(rec.category)) categoryPages.set(rec.category, []); categoryPages.get(rec.category).push(pageRef); } if (args.updateNav && !args.dryRun) { await updateDocsNav(args.updateNav, categoryPages, args.out); } else if (args.updateNav && args.dryRun) { log('[dry] Would update docs.json with categories:', Array.from(categoryPages.keys()).join(', ')); } if (args.genIndex) { const indexPath = path.join(args.out, 'index.mdx'); const content = buildIndexPage(categoryPages, args.out); if (args.dryRun) { log('[dry] Would write index overview', indexPath); } else { await writeFile(indexPath, content, 'utf8'); log('Wrote index overview', indexPath); } } log('Done. Articles processed:', articleRecords.length); } main().catch(err => { console.error(err); process.exit(1); });

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