...

  var colInfos = [
    { name: 'id', size: 70 },
    { name: 'line', size: 100 },
    { name: 'color', size: 70 },
    { name: 'name', size: 120 },
    { name: 'price', size: 70 },
    { name: 'cost', size: 70 },
    { name: 'weight', size: 70 },
    { name: 'discontinued', size: 120 },
    { name: 'rating', size: 100 },
  ];
  sheet.setDataSource(products);
  sheet.bindColumns(colInfos);

...