Function countLoc

tools/llm-sequential-upgrade/generate-report.mjs:115–165

(backend)

// Count lines of code in app dir
function countLoc(backend) {
  const resultsDir = path.join(runBaseDir, 'results', backend);
  if (!fs.existsSync(resultsDir)) return null;

  const appDirs = fs.readdirSync(resultsDir)
    .filter(d => d.startsWith('chat-app-'))
    .map(d => path.join(resultsDir, d))
    .filter(d => fs.statSync(d).isDirectory());

  if (appDirs.length === 0) return null;
  const appDir = appDirs.sort().pop();

  let backendLoc = 0;
  let frontendLoc = 0;

  function countLines(dir) {
    if (!fs.existsSync(dir)) return 0;
    let total = 0;
    for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
      if (entry.name === 'node_modules' || entry.name === 'dist' || entry.name === '.vite' ||
          entry.name === 'module_bindings' || entry.name.startsWith('level-')) continue;
      const fullPath = path.join(dir, entry.name);
      if (entry.isDirectory()) {
        total += countLines(fullPath);
      } else if (/\.(ts|tsx|js|jsx)$/.test(entry.name)) {
        total += fs.readFileSync(fullPath, 'utf-8').split('\n').length;
      }
    }
    return total;
  }

  // SpacetimeDB backend
  const stdbBackend = path.join(appDir, 'backend', 'spacetimedb', 'src');
  if (fs.existsSync(stdbBackend)) {
    backendLoc = countLines(stdbBackend);
  }

  // PostgreSQL backend
  const pgServer = path.join(appDir, 'server');
  if (fs.existsSync(pgServer)) {
    backendLoc = countLines(pgServer);
  }

  // Frontend
  const clientSrc = path.join(appDir, 'client', 'src');
  if (fs.existsSync(clientSrc)) {
    frontendLoc = countLines(clientSrc);
  }

  return { backendLoc, frontendLoc, totalLoc: backendLoc + frontendLoc };
}

// ─── Generate report ────────────────────────────────────────────────────────