()
| 5 | Chart.register(DoughnutController, ArcElement); |
| 6 | |
| 7 | function App() { |
| 8 | useEffect(() => { |
| 9 | const c = Chart.getChart('myChart'); |
| 10 | if (c) { |
| 11 | c.destroy(); |
| 12 | } |
| 13 | |
| 14 | merge({a: 1}, {b: 2}); |
| 15 | |
| 16 | // eslint-disable-next-line no-new |
| 17 | new Chart('myChart', { |
| 18 | type: 'doughnut', |
| 19 | data: { |
| 20 | labels: ['Chart', 'JS'], |
| 21 | datasets: [{ |
| 22 | data: [2, 3] |
| 23 | }] |
| 24 | } |
| 25 | }); |
| 26 | }, []); |
| 27 | |
| 28 | return ( |
| 29 | <div className="App"> |
| 30 | <canvas id="myChart"></canvas> |
| 31 | </div> |
| 32 | ); |
| 33 | } |
| 34 | |
| 35 | export default App; |