Toju/toju-app/src/app/domains/attachment/domain/logic/attachment-normalize.rules.ts

import { isImageAttachment } from './attachment-image.rules';
import { resolveAttachmentMime } from './attachment-mime.rules';
import type { AttachmentMeta } from '../models/attachment.model';

export function normalizeAttachmentMeta<T extends AttachmentMeta>(meta: T): T {
  const mime = resolveAttachmentMime(meta.filename, meta.mime);

  return {
    ...meta,
    mime,
    isImage: isImageAttachment({
      filename: meta.filename,
      isImage: meta.isImage,
      mime
    })
  };
}