Optimize hasParens check in lib/patcher.js.
Optimize hasParens check in lib/patcher.js.

cpojer/recast,marcioj/recast,benjamn/recast,fkling/recast,shumov/recast,benjamn/recast,stefanpenner/recast,rwaldron/recast,ipeychev/recast,ersengultepe/recast,kyldvs/recast,benjamn/recast,kassens/recast