twenty/packages/twenty-front/src/modules/page-layout/utils/getTabLayoutMode.ts

import { type PageLayoutTab } from '@/page-layout/types/PageLayoutTab';
import { assertPageLayoutTabHasDefinedLayoutModeOrThrow } from '@/page-layout/utils/assertPageLayoutTabHasDefinedLayoutModeOrThrow';
import {
  PageLayoutTabLayoutMode,
  PageLayoutType,
} from '~/generated-metadata/graphql';

type GetTabLayoutModeParams = {
  tab: PageLayoutTab | undefined;
  pageLayoutType: PageLayoutType;
};

export const getTabLayoutMode = ({
  tab,
  pageLayoutType,
}: GetTabLayoutModeParams): PageLayoutTabLayoutMode => {
  if (
    pageLayoutType === PageLayoutType.RECORD_PAGE ||
    pageLayoutType === PageLayoutType.STANDALONE_PAGE
  ) {
    assertPageLayoutTabHasDefinedLayoutModeOrThrow(tab);

    return tab.layoutMode;
  }

  return PageLayoutTabLayoutMode.GRID;
};