support GHCJS, which does not have a GHC.Event IO manager
support GHCJS, which does not have a GHC.Event IO manager

omefire/lens,cchalmers/lens,Gabriel439/lens,Icelandjack/lens,rpglover64/lens,Fuuzetsu/lens,ddssff/lens,danidiaz/lens,cdepillabout/lens,timjb/lens