Function getProjectDirsUpToHome

src/utils/markdownConfigLoader.ts:234–289

(
  subdir: ClaudeConfigDirectory,
  cwd: string,
)

 * @returns Array of directory paths containing .claude/subdir, from most specific (cwd) to least specific
 */
export function getProjectDirsUpToHome(
  subdir: ClaudeConfigDirectory,
  cwd: string,
): string[] {
  const home = resolve(homedir()).normalize('NFC')
  const gitRoot = resolveStopBoundary(cwd)
  let current = resolve(cwd)
  const dirs: string[] = []

  // Traverse from current directory up to git root (or home if not in a git repo)
  while (true) {
    // Stop if we've reached the home directory (don't check it, as it's loaded separately as userDir)
    // Use normalized comparison to handle Windows drive letter casing (C:\ vs c:\)
    if (
      normalizePathForComparison(current) === normalizePathForComparison(home)
    ) {
      break
    }

    const claudeSubdir = join(current, '.claude', subdir)
    // Filter to existing dirs. This is a perf filter (avoids spawning
    // ripgrep on non-existent dirs downstream) and the worktree fallback
    // in loadMarkdownFilesForSubdir relies on it. statSync + explicit error
    // handling instead of existsSync — re-throws unexpected errors rather
    // than silently swallowing them. Downstream loadMarkdownFiles handles
    // the TOCTOU window (dir disappearing before read) gracefully.
    try {
      statSync(claudeSubdir)
      dirs.push(claudeSubdir)
    } catch (e: unknown) {
      if (!isFsInaccessible(e)) throw e
    }

    // Stop after processing the git root directory - this prevents commands from parent
    // directories outside the repository from appearing in the project
    if (
      gitRoot &&
      normalizePathForComparison(current) ===
        normalizePathForComparison(gitRoot)
    ) {
      break
    }

    // Move to parent directory
    const parent = dirname(current)

    // Safety check: if parent is the same as current, we've reached the root
    if (parent === current) {
      break
    }

    current = parent
  }

  return dirs
}

/**