How to use the @nteract/commutable.makeMarkdownCell function in @nteract/commutable

id
    );
  }

  switch (to) {
    case "code":
      return nextState.setIn(
        ["notebook", "cellMap", id],
        makeCodeCell({
          source: cell.source
        })
      );
    case "markdown":
      return nextState.setIn(
        ["notebook", "cellMap", id],
        makeMarkdownCell({
          source: cell.source
        })
      );
    case "raw":
      return nextState.setIn(
        ["notebook", "cellMap", id],
        makeRawCell({
          source: cell.source
        })
      );
  }

  // If we didn't match on the `to`, we should change nothing as we don't implement
  // other cell types (as there aren't any)
  return state;
}