Fix for prerender, ensure window exists
Fix for prerender, ensure window exists

yetone/radium,Cottin/radium,almost/radium,WillJHaggard/radium,clessg/radium,moret/radium,KenPowers/radium,yetone/radium,namuol/radium-insert-rule,richardfickling/radium,AnSavvides/radium,haridusenadeera/radium,KenPowers/radium,FormidableLabs/radium,rolandpoulter/radium,azazdeaz/radium,bobbyrenwick/radium,Cottin/radium,azazdeaz/radium,bencao/radium,dabbott/radium,haridusenadeera/radium,jurgob/radium,andyhite/radium,clessg/radium,nfl/radium,andyhite/radium,lexical-labs/radium,kof/radium,basarat/radium,MicheleBertoli/radium,bencao/radium,rolandpoulter/radium