feat(interaction): emit legend highlight

[pearmini]

Legend Highlight

获得数据

chart.on('legend:highlight', (e) => {
  const { nativeEvent, data } = e;
  if (!nativeEvent) return;
  console.log(data);
});

chart.on('legend:unhighlight', (e) => {
  const { nativeEvent } = e;
  if (!nativeEvent) return;
  console.log('unhighlight');
});

触发交互

chart.emit('legend:highlight', {
  data: { channel: 'color', value: 'Increase' },
});

chart.emit('legend:unhighlight', {});