Function buildDefaultIgnore

src/extraction/index.ts:281–286

(rootDir: string)

 * it project code; the explicit `.gitignore` negation is the only opt-in).
 */
export function buildDefaultIgnore(rootDir: string): Ignore {
  const ig = ignore().add(DEFAULT_IGNORE_PATTERNS);
  const rootGitignore = path.join(rootDir, '.gitignore');
  if (fs.existsSync(rootGitignore)) ig.add(readGitignorePatterns(rootGitignore));
  return ig;
}

/**
 * Defaults-only ignore matcher (no root `.gitignore` merged). Used wherever the