Function groupsFromCustomConfig

packages/plugin-eslint/src/lib/meta/groups.ts:93–123

(
  rules: RuleData[],
  groups: CustomGroup[],
)

}

export function groupsFromCustomConfig(
  rules: RuleData[],
  groups: CustomGroup[],
): Group[] {
  const rulesMap = createRulesMap(rules);

  return groups.map(group => {
    const groupRules = Array.isArray(group.rules)
      ? Object.fromEntries(group.rules.map(rule => [rule, 1]))
      : group.rules;

    const { refs, invalidRules } = resolveGroupRefs(groupRules, rulesMap);

    if (invalidRules.length > 0 && Object.entries(groupRules).length > 0) {
      if (refs.length === 0) {
        throw new Error(
          `Invalid rule configuration in group ${group.slug}. All rules are invalid.`,
        );
      }
      logger.warn(
        `Some rules in group ${group.slug} are invalid: ${invalidRules.join(', ')}`,
      );
    }

    return {
      slug: group.slug,
      title: group.title,
      refs,
    };
  });
}

export function createRulesMap(rules: RuleData[]): Record<string, RuleData[]> {
  return rules.reduce<Record<string, RuleData[]>>(