Function createDirectory

src/directory.ts:703–719

(projectRoot: string)

 * Note: Only throws if codegraph.db already exists, not just if .codegraph/ exists.
 */
export function createDirectory(projectRoot: string): void {
  const codegraphDir = getCodeGraphDir(projectRoot);
  const dbPath = path.join(codegraphDir, 'codegraph.db');

  // Only throw if CodeGraph is actually initialized (db exists)
  // .codegraph/ folder alone is fine
  if (fs.existsSync(dbPath)) {
    throw new Error(`CodeGraph already initialized in ${projectRoot}`);
  }

  // Create main directory (if it doesn't exist)
  fs.mkdirSync(codegraphDir, { recursive: true });

  // Write .gitignore inside .codegraph (create if absent, upgrade a stale
  // pre-wildcard default left by an older version — issue #788).
  ensureGitignore(path.join(codegraphDir, '.gitignore'));
}

/**
 * Remove the .codegraph directory