Function getStackDataPoints

front/components/u-charts/u-charts.js:1300–1336

(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, stackSeries)

}

function getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, stackSeries) {
  var process = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : 1;
  var points = [];
  var validHeight = opts.height - opts.area[0] - opts.area[2];

  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var point = {};
      point.color = item.color;
      point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);

      if (seriesIndex > 0) {
        var value = 0;
        for (let i = 0; i <= seriesIndex; i++) {
          value += stackSeries[i].data[index];
        }
        var value0 = value - item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = validHeight * (value0 - minRange) / (maxRange - minRange);
      } else {
        var value = item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = 0;
      }
      var heightc = height0;
      height *= process;
      heightc *= process;
      point.y = opts.height - Math.round(height) - opts.area[2];
      point.y0 = opts.height - Math.round(heightc) - opts.area[2];
      points.push(point);
    }
  });

  return points;
}

function getYAxisTextList(series, opts, config, stack) {
  var data;