Function extraKey

src/ui-react-dom/common/index.tsx:77–78

(index: number, after: 0 | 1)

  ));

export const extraKey = (index: number, after: 0 | 1) =>
  (after ? '>' : '<') + index;

export const extraHeaders = (
  extraCells: (ExtraRowCell | ExtraValueCell)[] = [],