en/builder/src/echarts3/chart/sankey.js

import * as echarts from '../echarts';
import './sankey/SankeySeries';
import './sankey/SankeyView';
import sankeyLayout from './sankey/sankeyLayout';
import sankeyVisual from './sankey/sankeyVisual';
echarts.registerLayout(sankeyLayout);
echarts.registerVisual(sankeyVisual);