Function storeTriggerCleanupFn

packages/core/src/defer/cleanup.ts:21–31

(
  type: TriggerType,
  lDetails: LDeferBlockDetails,
  cleanupFn: VoidFunction,
)

 * or a regular trigger of a defer block.
 */
export function storeTriggerCleanupFn(
  type: TriggerType,
  lDetails: LDeferBlockDetails,
  cleanupFn: VoidFunction,
) {
  const key = getCleanupFnKeyByType(type);
  if (lDetails[key] === null) {
    lDetails[key] = [];
  }
  (lDetails[key]! as VoidFunction[]).push(cleanupFn);
}

/**
 * Invokes registered cleanup functions either for prefetch or for regular triggers.