in src/base-exported-backend.ts [120:135]
protected filterCategory(
category: string,
service?: string,
resourceName?: string,
): CategoryStackMapping[] {
const categoryStackMapping = this.categoryStackMappings.filter(
(r) =>
r.category === category &&
(service ? r.service === service : true) &&
(resourceName ? r.resourceName === resourceName : true),
);
if (categoryStackMapping.length === 0) {
throw new AmplifyCategoryNotFoundError(category, service);
}
return categoryStackMapping;
}