Function codeGraphDirName

src/directory.ts:43–64

()

 * project root itself; we warn once to stderr so the misconfiguration is seen.
 */
export function codeGraphDirName(): string {
  const raw = process.env.CODEGRAPH_DIR?.trim();
  if (!raw) return DEFAULT_CODEGRAPH_DIR;
  const invalid =
    raw === '.' ||
    raw.includes('..') ||
    raw.includes('/') ||
    raw.includes('\\') ||
    path.isAbsolute(raw);
  if (invalid) {
    if (!warnedBadDirName) {
      warnedBadDirName = true;
      // stderr only — stdout is the MCP protocol channel.
      console.warn(
        `[codegraph] Ignoring invalid CODEGRAPH_DIR="${raw}" — it must be a plain ` +
          `directory name (no path separators, no "..", not absolute). Using "${DEFAULT_CODEGRAPH_DIR}".`
      );
    }
    return DEFAULT_CODEGRAPH_DIR;
  }
  return raw;
}

/**
 * CodeGraph directory name — a load-time snapshot of {@link codeGraphDirName}.