module.exports = { config: { type: 'doughnut', data: { labels: [0, 1, 2, 3, 4, 5], datasets: [ { // option in dataset data: [0, 2, 4, null, 6, 8], borderColor: '#ff0000' }, { // option in element (fallback) data: [0, 2, 4, null, 6, 8], } ] }, options: { elements: { arc: { backgroundColor: 'transparent', borderColor: '#00ff00', borderWidth: 8 } }, } }, options: { canvas: { height: 256, width: 512 } } };