vd-charts/src/packages/sunburst/chartHandler.js

ECharts 4.x for Vue.js 2.x.

// build tooltip
function getBarTooltip(args) {
  const {settings} = args
  const {tooltip} = settings
  return {
    ...tooltip
  }
}

// build series
function getSunburstSeries(args) {
  const {data, settings} = args
  const {measures} = data
  const {
    label = {},
    itemStyle = {},
    ...others
  } = settings

  const series = []

  measures.forEach(({name, data}, i) => {
    const type = 'sunburst'
    const seriesItem = {
      type,
      name,
      data,
      label,
      itemStyle,
      ...others
    }
    series.push(seriesItem)
  })
  return series
}

export const sunburst = (data, settings, extra) => {

  const tooltip = getBarTooltip({settings})

  const series = getSunburstSeries({data, settings})

  const options = {
    series
  }
  if (Object.keys(tooltip).length !== 0) options['tooltip'] = tooltip

  console.log(options)

  return options
}