function fill()

in packages/charts/src/chart_types/partition_chart/layout/viewmodel/fill_text_layout.ts [214:294]
75 lines of code
5 McCabe index (conditional complexity)

function fill<C>(
  shapeConstructor: ShapeConstructor<C>,
  getShapeRowGeometry: GetShapeRowGeometry<C>,
  getRotation: GetRotation,
) {
  return function fillClosure(
    fillLabel: FillLabelConfig,
    layers: Layer[],
    measure: TextMeasure,
    rawTextGetter: RawTextGetter,
    valueGetter: ValueGetterFunction,
    formatter: ValueFormatter,
    maxRowCount: number,
    leftAlign: boolean,
    middleAlign: boolean,
  ) {
    const horizontalAlignment = leftAlign ? HorizontalAlignment.left : HorizontalAlignment.center;
    return (allFontSizes: Pixels[][], textFillOrigin: PointTuple, node: QuadViewModel): RowSet => {
      const container = shapeConstructor(node);
      const rotation = getRotation(node);

      const layer = layers[node.depth - 1];

      if (!layer) {
        throw new Error(`Failed to find layer at ${node.depth - 1}`);
      }

      const verticalAlignment = middleAlign
        ? VerticalAlignments.middle
        : node.depth < layers.length
          ? VerticalAlignments.bottom
          : VerticalAlignments.top;
      const fontSizes = allFontSizes[Math.min(node.depth, allFontSizes.length) - 1] ?? [];
      const { fontStyle, fontVariant, fontFamily, fontWeight, valueFormatter, padding, clipText } = {
        ...fillLabel,
        valueFormatter: formatter,
        ...layer.fillLabel,
        ...layer.shape,
      };

      const valueFont = {
        ...fillLabel,
        ...fillLabel.valueFont,
        ...layer.fillLabel,
        ...layer.fillLabel?.valueFont,
      };

      const sizeInvariantFont: Font = {
        fontStyle,
        fontVariant,
        fontWeight,
        fontFamily,
        textColor: node.textColor,
      };
      const isRtlString = isRTLString(rawTextGetter(node));
      const allBoxes = getAllBoxes(rawTextGetter, valueGetter, valueFormatter, sizeInvariantFont, valueFont, node);
      const [cx, cy] = textFillOrigin;

      return {
        ...getRowSet(
          allBoxes,
          maxRowCount,
          fontSizes,
          measure,
          rotation,
          verticalAlignment,
          horizontalAlignment,
          container,
          getShapeRowGeometry,
          cx,
          cy,
          padding,
          node,
          clipText,
          isRtlString,
        ),
        fillTextColor: node.textColor,
      };
    };
  };
}