toOptionsJSON method

Implementation

@override
void toOptionsJSON(StringBuffer buffer) {
  super.toOptionsJSON(buffer);

  if (animationLimit != null) {
    buffer.writeAll(['"animationLimit":', animationLimit, ','], '');
  }
  if (color != null) {
    buffer.writeAll(['"color":', jsonEncode(color), ','], '');
  }
  if (displayNegative != null) {
    buffer.writeAll(['"displayNegative":', displayNegative, ','], '');
  }
  if (id != null) {
    buffer.writeAll(['"id":', jsonEncode(id), ','], '');
  }
  if (index != null) {
    buffer.writeAll(['"index":', index, ','], '');
  }
  if (joinBy != null) {
    buffer.write('"joinBy":[');
    for (var item in joinBy!) {
      buffer.writeAll([jsonEncode(item), ','], '');
    }
    buffer.write('],');
  }
  if (legendIndex != null) {
    buffer.writeAll(['"legendIndex":', legendIndex, ','], '');
  }
  if (lineColor != null) {
    buffer.writeAll(['"lineColor":', jsonEncode(lineColor), ','], '');
  }
  if (lineWidth != null) {
    buffer.writeAll(['"lineWidth":', lineWidth, ','], '');
  }
  if (mapData != null) {
    buffer.writeAll(['"mapData":', jsonEncode(mapData), ','], '');
  }
  if (marker != null) {
    buffer.writeAll(['"marker":', jsonEncode(marker), ','], '');
  }
  if (maxSize != null) {
    buffer.writeAll(['"maxSize":', jsonEncode(maxSize), ','], '');
  }
  if (minSize != null) {
    buffer.writeAll(['"minSize":', jsonEncode(minSize), ','], '');
  }
  if (negativeColor != null) {
    buffer.writeAll(['"negativeColor":', jsonEncode(negativeColor), ','], '');
  }
  if (sizeBy != null) {
    buffer.writeAll(['"sizeBy":', jsonEncode(sizeBy), ','], '');
  }
  if (sizeByAbsoluteValue != null) {
    buffer.writeAll(['"sizeByAbsoluteValue":', sizeByAbsoluteValue, ','], '');
  }
  if (tooltip != null) {
    buffer.writeAll(['"tooltip":', tooltip?.toJSON(), ','], '');
  }
  if (zMax != null) {
    buffer.writeAll(['"zMax":', zMax, ','], '');
  }
  if (zMin != null) {
    buffer.writeAll(['"zMin":', zMin, ','], '');
  }
  if (zThreshold != null) {
    buffer.writeAll(['"zThreshold":', zThreshold, ','], '');
  }
  if (zoomEnabled != null) {
    buffer.writeAll(['"zoomEnabled":', zoomEnabled, ','], '');
  }
}