import React from 'react'; import { useEffect } from 'react'; import { useRef } from 'react'; import { BasicChart } from '../index'; const Demo = () => { const ref = useRef(); const option = { xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], }, yAxis: { type: 'value', }, series: [ { data: [150, 230, 224, 218, 135, 147, 260], type: 'line', }, ], }; useEffect(() => { console.log(ref.current); }, []); return ( <div style={{ height: 300 }}> <BasicChart ref={ref} option={option} /> </div> ); }; export default Demo;