@automattic/calypso-products/src/is-jetpack-security-t1-slug.ts

This module contains information about the various products sold within calypso, such as product slugs, plan intervals, etc.

import { JETPACK_SECURITY_T1_PLANS } from './constants';

export function isJetpackSecurityT1Slug( productSlug: string ): boolean {
	return ( JETPACK_SECURITY_T1_PLANS as ReadonlyArray< string > ).includes( productSlug );
}