export function getFormatConfig()

in src/common/common.ts [1177:1221]
42 lines of code
16 McCabe index (conditional complexity)

export function getFormatConfig(config: any) {
  if (
    typeof config.yAxis === 'object' &&
    !Array.isArray(config.yAxis) &&
    config?.yAxis?.needUnitTransform &&
    typeof config.legend !== 'boolean' &&
    config.legend?.needUnitTransform === undefined
  ) {
    config.legend.needUnitTransform = config.legend.needUnitTransform ?? config?.yAxis?.needUnitTransform;
    config.legend.unit = config.legend.unit ?? config?.yAxis?.unit;
    config.legend.unitTransformTo = config.legend.unitTransformTo ?? config?.yAxis?.unitTransformTo;
    config.legend.valueType = config.legend.valueType ?? config?.yAxis?.valueType;
    config.legend.customCarryUnits = config.legend.customCarryUnits ?? config?.yAxis?.customCarryUnits;
    config.legend.customCarryThreshold = config.legend.customCarryThreshold ?? config?.yAxis?.customCarryThreshold;
    config.legend.addonTextAfter = config.legend.addonTextAfter ?? config?.yAxis?.addonTextAfter;
  }

  if (typeof config.legend === 'object') {
    config.legend.grouping = config.legend.grouping ?? config?.yAxis?.grouping;
    config.legend.decimal = config.legend.decimal ?? config?.yAxis?.decimal;
  }

  // 进位相关配置项
  let formatConfig: any;
  // 当legend中配置了单位相关信息时，直接使用tooltip的配置项，否则使用y轴配置项
  if (
    typeof config?.legend === 'object' &&
    (config?.legend?.valueType ||
      config?.legend?.unit ||
      config?.legend?.needUnitTransform ||
      config?.legend?.unitTransformTo ||
      config?.legend?.decimal)
  ) {
    formatConfig = config.legend;
  } else if (Array.isArray(config.yAxis) && config.yAxis.length >= 2) {
    // 双轴
    formatConfig = config.yAxis;
  } else if (Array.isArray(config.yAxis)) {
    formatConfig = config?.yAxis?.[0] ?? {};
  } else {
    formatConfig = config?.yAxis ?? {};
  }

  return formatConfig;
}