滚动条出现bug，导致更新数据时纵坐标不会自动更新 #4197

import { Chart } from '@antv/g2';

function findMaxMin(data) { let maxValue = 0; let minValue = 50000; let maxObj = null; let minObj = null; for (const d of data) { if (d.Close > maxValue) { maxValue = d.Close; maxObj = d; } if (d.Close < minValue) { minValue = d.Close; minObj = d; } } return { max: maxObj, min: minObj }; }

fetch('https://gw.alipayobjects.com/os/antvdemo/assets/data/nintendo.json') .then(res => res.json()) .then(data => { const chart = new Chart({ container: 'container', autoFit: true, height: 500, }); setTimeout(() => {

chart.changeData([ {
"Date": "07.01.2016",
"Close": 120.19

}, { "Date": "08.01.2016", "Close": 121.157 }, { "Date": "11.01.2016", "Close": 117 }, { "Date": "12.01.2016", "Close": 111.487 }, { "Date": "13.01.2016", "Close": 800 }]); }, 2000); chart.option("scrollbar", { // animate: false, categorySize: 100 /* 横轴间距设置 */ });

chart.data(data);
chart.scale({
  Date: {
    tickCount: 10
  },
  Close: {
    nice: true,
  }
});
chart.axis('Date', {
  label: {
    formatter: text => {
      const dataStrings = text.split('.');
      return dataStrings[2] + '-' + dataStrings[1] + '-' + dataStrings[0];
    }
  }
});

chart.line().position('Date*Close');
// annotation
const { min, max } = findMaxMin(data);
chart.annotation().dataMarker({
  top: true,
  position: [max.Date, max.Close],
  text: {
    content: '全部峰值：' + max.Close,
  },
  line: {
    length: 30,
  }
});
chart.annotation().dataMarker({
  top: true,
  position: [min.Date, min.Close],
  text: {
    content: '全部谷值：' + min.Close,
  },
  line: {
    length: 50,
  }
});
chart.render();

});