Function getMatchingHookGroups

extensions/cli/src/hooks/hookConfig.ts:133–164

(
  config: HooksConfig,
  eventName: string,
  matcherValue?: string,
)

 * @returns Array of matching hook handler groups
 */
export function getMatchingHookGroups(
  config: HooksConfig,
  eventName: string,
  matcherValue?: string,
): HookMatcherGroup[] {
  const groups = config[eventName as keyof HooksConfig];
  if (!groups) return [];

  return groups.filter((group) => {
    // No matcher, empty matcher, or "*" = match all
    if (!group.matcher || group.matcher === "" || group.matcher === "*") {
      return true;
    }

    // If no matcher value provided (e.g., events without matcher support), match all
    if (matcherValue === undefined) {
      return true;
    }

    // Regex match
    try {
      const regex = new RegExp(group.matcher);
      return regex.test(matcherValue);
    } catch (error) {
      logger.warn(
        `Invalid hook matcher regex "${group.matcher}" for event ${eventName}:`,
        error,
      );
      return false;
    }
  });
}