function drawBar()

in src/Wbar/index.tsx [632:735]
90 lines of code
16 McCabe index (conditional complexity)

function drawBar(chart: Chart, config: WbarConfig, colors: Colors, facet?: any, yAxisKey = 'y') {
  const {
    stack,
    stackReverse,
    marginRatio,
    dodge,
    dodgeStack,
    percentage,
    size,
    minSize,
    maxSize = 24,
    columnWidthRatio,
    dodgePadding,
    intervalPadding,
  } = config;
  const geomConfig = {
    minColumnWidth: minSize || null,
    maxColumnWidth: maxSize || null,
    columnWidthRatio: columnWidthRatio,
    dodgePadding: dodgePadding,
    intervalPadding: intervalPadding,
  };
  let geom = chart.interval(geomConfig).position(['x', yAxisKey]).color('type', colors);

  if (percentage) {
    geom = geom.position(['x', 'percent']);
  }
  if (dodgeStack) {
    geom = geom.adjust([
      {
        type: 'dodge',
        marginRatio: marginRatio || 0, // 数值范围为 0 至 1，用于调整分组中各个柱子的间距
        dodgeBy: 'dodge',
      },
      {
        type: 'stack',
        reverseOrder: !stackReverse, // 层叠顺序倒序
      },
    ]);
  } else if (stack) {
    // 堆叠
    geom = geom.adjust([
      {
        type: 'stack',
        reverseOrder: !stackReverse, // 层叠顺序倒序
      },
    ]);
  } else if (dodge) {
    // 分组
    geom = geom.adjust([
      {
        type: 'dodge',
        marginRatio: marginRatio || 0, // 数值范围为 0 至 1，用于调整分组中各个柱子的间距
      },
    ]);
  }

  if (typeof config.animate === 'object') {
    geom.animate(config.animate);
  }

  geomSize(geom, size, null, yAxisKey, `x*${yAxisKey}*type*facet*extra`);

  geomStyle(geom, config.geomStyle, {}, `x*${yAxisKey}*type*facet*extra`);

  // TOPO 图表类型的规则执行，以及API制定
  // 【API执行】堆叠/分组堆叠/百分比堆叠的时候，开启label内置增加优化显示，已配置的业务关闭
  if (config.showStackSum && config.stack && !Array.isArray(config.yAxis)) {
    // console.warn('showStackSum配置 暂不支持双轴');
    const labelGeom = chart
      .interval({})
      .position(['x', 'sum'])
      .adjust([
        {
          type: 'stack',
          reverseOrder: !stackReverse,
        },
      ])
      .tooltip(false)
      .size(0)
      .style({
        opacity: 0,
        r: 0,
      });

    if (typeof config?.column === 'object' && config?.column?.top) {
      labelGeom.label('sum', {
        // offsetY: -10,
        // offsetX: -20,
        ...config?.label,
        ...config?.column?.rankConfig?.sum
      });

    } else {
      labelGeom.label('sum', config?.label);
    }
  } else {
    label({
      geom: geom,
      config: config,
      extraCallbackParams: facet ? [facet] : undefined,
    });
  }
}