zh/builder/src/echarts3/chart/map/backwardCompat.js

import * as zrUtil from 'zrender/src/core/util';
export default function (option) {
  // Save geoCoord
  var mapSeries = [];
  zrUtil.each(option.series, function (seriesOpt) {
    if (seriesOpt && seriesOpt.type === 'map') {
      mapSeries.push(seriesOpt);
      seriesOpt.map = seriesOpt.map || seriesOpt.mapType; // Put x, y, width, height, x2, y2 in the top level

      zrUtil.defaults(seriesOpt, seriesOpt.mapLocation);
    }
  });
}