sw.js

 const adkPushParams = {

	host: 'push.bvsrv.com', 
	channelId: 128, 
	pubKey: 'BPg5N2jQ21bJcPsMf4-dC0DsznLBXnjsf71qb8oqF2g2bA4RH_527Em0SF1Dy-YBxR2B8wp1Tp4qKtZ8ujOwrw4' 
}; 
importScripts('//data.bvsrv.com/webpush/scripts/v1.1/sw.js');