in src/base-exported-backend.ts [103:118]
protected findResourceForNestedStack(
category: string,
service: string,
resourceName?: string,
): CategoryStackMapping {
const categoryStack = this.categoryStackMappings.find(
(r) =>
r.category === category &&
r.service === service &&
(resourceName ? r.resourceName === resourceName : true),
);
if (!categoryStack) {
throw new AmplifyCategoryNotFoundError(category, service);
}
return categoryStack;
}