toOptionsJSON method

Implementation

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

  if (color != null) {
    buffer.writeAll(['"color":', jsonEncode(color), ','], '');
  }
  if (colorIndex != null) {
    buffer.writeAll(['"colorIndex":', colorIndex, ','], '');
  }
  if (dataLabels != null) {
    buffer.write('"dataLabels":[');
    for (var item in dataLabels!) {
      buffer.writeAll([jsonEncode(item), ','], '');
    }
    buffer.write('],');
  }
  if (id != null) {
    buffer.writeAll(['"id":', jsonEncode(id), ','], '');
  }
  if (marker != null) {
    buffer.writeAll(['"marker":', marker?.toJSON(), ','], '');
  }
  if (mass != null) {
    buffer.writeAll(['"mass":', mass, ','], '');
  }
  if (name != null) {
    buffer.writeAll(['"name":', jsonEncode(name), ','], '');
  }
}