Function getAttachmentDir

src/runtime/adapters/attachment-utils.ts:22–24

* Build the attachment directory for a channel session. * Path: data/sessions/ /attachments/

(rootDir: string, channelId: string)

 * Path: data/sessions/<channelId>/attachments/
 */
function getAttachmentDir(rootDir: string, channelId: string): string {
  return path.resolve(rootDir, "data", "sessions", channelId, ATTACHMENTS_DIR);
}

/**
 * Sanitise a filename to remove path separators and other unsafe characters.