Function isTDeferBlockDetails

packages/core/src/defer/utils.ts:162–168

(value: unknown)

 * that a primary template exists. All the other template options are optional.
 */
export function isTDeferBlockDetails(value: unknown): value is TDeferBlockDetails {
  return (
    value !== null &&
    typeof value === 'object' &&
    typeof (value as TDeferBlockDetails).primaryTmplIndex === 'number'
  );
}

/**
 * Whether a given TNode represents a defer block.