const fs = require('fs'); const path = require('path'); const JSON_PATH = path.join(__dirname, '..', 'yaml-files', 'latest-v2-schemas-10-20-25.json'); const TABLES_DIR = path.join(__dirname, '..', 'data-activation', 'data-tables', 'sm_transformed_v2'); function loadLatest() { const raw = fs.readFileSync(JSON_PATH, 'utf8'); const rows = JSON.parse(raw); const byTable = new Map(); for (const r of rows) { if (!r || r.dataset_name !== 'sm_transformed_v2') continue; const t = r.table_name; if (!byTable.has(t)) byTable.set(t, { table: t, table_type: r.table_type || '', description: r.table_description || '', columns: new Map() }); const entry = byTable.get(t); // Update table description with the most recent non-empty value if (r.table_description && r.table_description.trim()) { entry.description = r.table_description.trim(); } const col = r.column_name; if (!col) continue; const cdesc = (r.column_description || '').trim(); if (!entry.columns.has(col)) { entry.columns.set(col, cdesc); } else if (cdesc) { entry.columns.set(col, cdesc); } } return byTable; } function yamlEscapeFolded(text) { // Keep text as-is; folded style handles most characters fine. return text.replace(/\r\n/g, '\n'); } function generateYaml(table, description, columns) { const lines = []; lines.push('```yaml'); lines.push('version: 2'); lines.push(''); lines.push('models:'); lines.push(` - name: ${table}`); lines.push(' description: >'); const descLines = yamlEscapeFolded(description || '').split('\n'); if (descLines.length === 0 || (descLines.length === 1 && descLines[0] === '')) { lines.push(' '); } else { for (const dl of descLines) { lines.push(` ${dl}`); } } lines.push(' columns:'); const sorted = Array.from(columns.keys()).sort((a, b) => a.localeCompare(b)); for (const col of sorted) { lines.push(` - name: ${col}`); lines.push(' description: >'); const cdesc = yamlEscapeFolded(columns.get(col) || ''); const cdescLines = cdesc.split('\n'); if (cdescLines.length === 0 || (cdescLines.length === 1 && cdescLines[0] === '')) { lines.push(' '); } else { for (const cl of cdescLines) { lines.push(` ${cl}`); } } lines.push(''); } lines.push('```'); return lines.join('\n'); } function updateMdx(filePath, yamlBlock) { const original = fs.readFileSync(filePath, 'utf8'); const start = original.indexOf('```yaml'); if (start === -1) return false; const end = original.indexOf('```', start + 7); if (end === -1) return false; const before = original.slice(0, start); const after = original.slice(end + 3); const updated = before + yamlBlock + after; fs.writeFileSync(filePath, updated, 'utf8'); return true; } function ensureMdx(filePath, table, description, columns) { if (fs.existsSync(filePath)) return false; const frontmatter = `---\n` + `title: '${table}'\n` + `description: ''\n` + `---\n\n`; const yamlBlock = generateYaml(table, description, columns); fs.writeFileSync(filePath, frontmatter + yamlBlock + '\n', 'utf8'); return true; } function shortBlurb(text) { if (!text) return ''; const s = String(text).trim(); const periodIdx = s.indexOf('.'); let first = periodIdx > -1 ? s.slice(0, periodIdx + 1) : s; if (first.length > 140) first = first.slice(0, 137).trimEnd() + '...'; return first; } function generateIndex(byTable) { const groups = { 'Dimension': [], 'Fact': [], 'One Big Table': [], 'Report': [] }; for (const [, v] of byTable) { const type = v.table_type || ''; if (groups[type]) groups[type].push(v); } for (const k of Object.keys(groups)) groups[k].sort((a, b) => a.table.localeCompare(b.table)); const lines = []; lines.push('---'); lines.push('title: "SM Transformed v2 Tables"'); lines.push('description: "Browse all tables in the sm_transformed_v2 schema, grouped by type."'); lines.push('---'); lines.push(''); lines.push('Welcome to the sm_transformed_v2 schema. Use this page to quickly jump to table-level documentation. Tables are grouped by their role in the model for clarity.'); lines.push(''); if (groups['Dimension'].length) { lines.push('### Dimensions'); lines.push(''); for (const v of groups['Dimension']) { const t = v.table; lines.push(` `); lines.push(' ' + shortBlurb(v.description)); lines.push(' '); } lines.push(''); lines.push(''); } if (groups['Fact'].length) { lines.push('### Facts'); lines.push(''); for (const v of groups['Fact']) { const t = v.table; lines.push(` `); lines.push(' ' + shortBlurb(v.description)); lines.push(' '); } lines.push(''); lines.push(''); } if (groups['One Big Table'].length) { lines.push('### OBT (One Big Table)'); lines.push(''); for (const v of groups['One Big Table']) { const t = v.table; lines.push(` `); lines.push(' ' + shortBlurb(v.description)); lines.push(' '); } lines.push(''); lines.push(''); } if (groups['Report'].length) { lines.push('### Reports'); lines.push(''); for (const v of groups['Report']) { const t = v.table; lines.push(` `); lines.push(' ' + shortBlurb(v.description)); lines.push(' '); } lines.push(''); lines.push(''); } lines.push('
'); lines.push(''); lines.push('Need something else in this index? Ping us and we’ll add it.'); lines.push(''); return lines.join('\n'); } function main() { const byTable = loadLatest(); const mdxFiles = fs.readdirSync(TABLES_DIR).filter(f => f.endsWith('.mdx')); const results = []; // Update existing MDX files that match JSON tables (skip index.mdx) for (const f of mdxFiles) { if (f === 'index.mdx') continue; const filePath = path.join(TABLES_DIR, f); const table = path.basename(f, '.mdx'); const entry = byTable.get(table); if (!entry) { results.push({ file: f, status: 'skipped', reason: 'table not found in JSON' }); continue; } const yamlBlock = generateYaml(entry.table, entry.description, entry.columns); const ok = updateMdx(filePath, yamlBlock); results.push({ file: f, status: ok ? 'updated' : 'failed', reason: ok ? '' : 'yaml block not found' }); } // Create missing MDX files for tables present in JSON but not on disk for (const [table, entry] of byTable) { const fileName = `${table}.mdx`; const filePath = path.join(TABLES_DIR, fileName); if (!fs.existsSync(filePath)) { const created = ensureMdx(filePath, table, entry.description, entry.columns); results.push({ file: fileName, status: created ? 'created' : 'error', reason: created ? '' : 'create failed' }); } } // Regenerate index from JSON const indexMdx = generateIndex(byTable); fs.writeFileSync(path.join(TABLES_DIR, 'index.mdx'), indexMdx, 'utf8'); console.log(JSON.stringify(results, null, 2)); } if (require.main === module) { main(); }

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