in src/riff-raff-yaml-file/group-by.ts [21:41]
export function groupByClassNameStackRegionStage(cdkStacks: GuStack[]): GroupedCdkStacks {
return Object.entries(groupByClassName(cdkStacks)).reduce(
(accClassName, [className, stacksGroupedByClassName]) => ({
...accClassName,
[className]: Object.entries(groupByStackTag(stacksGroupedByClassName)).reduce(
(accStackTag, [stackTag, stacksGroupedByStackTag]) => ({
...accStackTag,
[stackTag]: Object.entries(groupByRegion(stacksGroupedByStackTag)).reduce(
(accRegion, [region, stacksGroupedByRegion]) => ({
...accRegion,
[region]: groupByStageTag(stacksGroupedByRegion),
}),
{},
),
}),
{},
),
}),
{},
);
}