Function validateDirectoryForWorkspace

src/commands/add-dir/validation.ts:31–93

(
  directoryPath: string,
  permissionContext: ToolPermissionContext,
)

    }

export async function validateDirectoryForWorkspace(
  directoryPath: string,
  permissionContext: ToolPermissionContext,
): Promise<AddDirectoryResult> {
  if (!directoryPath) {
    return {
      resultType: 'emptyPath',
    }
  }

  // resolve() strips the trailing slash expandPath can leave on absolute
  // inputs, so /foo and /foo/ map to the same storage key (CC-33).
  const absolutePath = resolve(expandPath(directoryPath))

  // Check if path exists and is a directory (single syscall)
  try {
    const stats = await stat(absolutePath)
    if (!stats.isDirectory()) {
      return {
        resultType: 'notADirectory',
        directoryPath,
        absolutePath,
      }
    }
  } catch (e: unknown) {
    const code = getErrnoCode(e)
    // Match prior existsSync() semantics: treat any of these as "not found"
    // rather than re-throwing. EACCES/EPERM in particular must not crash
    // startup when a settings-configured additional directory is inaccessible.
    if (
      code === 'ENOENT' ||
      code === 'ENOTDIR' ||
      code === 'EACCES' ||
      code === 'EPERM'
    ) {
      return {
        resultType: 'pathNotFound',
        directoryPath,
        absolutePath,
      }
    }
    throw e
  }

  // Get current permission context
  const currentWorkingDirs = allWorkingDirectories(permissionContext)

  // Check if already within an existing working directory
  for (const workingDir of currentWorkingDirs) {
    if (pathInWorkingPath(absolutePath, workingDir)) {
      return {
        resultType: 'alreadyInWorkingDirectory',
        directoryPath,
        workingDir,
      }
    }
  }