proptypes-example.js

TestPage.propTypes = {
  numCols: PropTypes.number, // from withDatastore
  numRows: PropTypes.number, // from withDatastore
  setNumCols: PropTypes.func, // from withDatastore
  setNumRows: PropTypes.func, // from withDatastore
};

TestPage.defaultProps = {
  numCols: 0,
  numRows: 0,
  setNumCols: () => null,
  setNumRows: () => null,
};