module.exports = { config: { type: 'bar', data: { labels: [0, 1, 2, 3, 4, 5], datasets: [ { // option in dataset data: [0, 5, 10, null, -10, -5], borderWidth: -2 }, { // option in element (fallback) data: [0, 5, 10, null, -10, -5], }, { data: [0, 5, 10, null, -10, -5], borderWidth: {left: -5, top: -5, bottom: -5, right: -5}, borderSkipped: false }, { data: [0, 5, 10, null, -10, -5], borderWidth: {} }, ] }, options: { legend: false, title: false, elements: { rectangle: { backgroundColor: '#888', borderColor: '#f00', borderWidth: -4 } }, scales: { xAxes: [{display: false}], yAxes: [{display: false}] } } }, options: { canvas: { height: 256, width: 512 } } };