Dual Axis Multiple Line Bar Chart

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

const chart = new Chart({
  container: 'container',
  autoFit: true,
});

const data = [
  { time: '10:10', call: 4, waiting: 2, people: 2, mock: 3 },
  { time: '10:15', call: 2, waiting: 6, people: 3, mock: 4 },
  { time: '10:20', call: 13, waiting: 2, people: 5, mock: 1 },
  { time: '10:25', call: 9, waiting: 9, people: 1, mock: 2 },
  { time: '10:30', call: 5, waiting: 2, people: 3, mock: 5 },
  { time: '10:35', call: 8, waiting: 2, people: 1, mock: 3 },
  { time: '10:40', call: 13, waiting: 1, people: 2, mock: 2 },
];

chart.options({
  type: 'view',
  data: data,
  children: [
    {
      type: 'interval',
      encode: {
        x: 'time',
        y: 'waiting',
        color: () => 'waiting',
        series: () => 'waiting',
      },
      axis: { y: { title: null } },
      scale: { y: { nice: true } },
    },
    {
      type: 'interval',
      encode: {
        x: 'time',
        y: 'people',
        color: () => 'people',
        series: () => 'people',
      },
      scale: { y: { key: '2' } },
      axis: { y: { position: 'right', grid: null, title: null } },
    },
    {
      type: 'line',
      encode: { x: 'time', y: 'call', color: () => 'call' },
      scale: { series: { independent: true } },
    },
    {
      type: 'line',
      encode: { x: 'time', y: 'mock', color: () => 'mock' },
      scale: { y: { key: '2' }, series: { independent: true } },
    },
  ],
});

chart.render();