style: make fat arrow function standard compliant
style: make fat arrow function standard compliant

fopsdev/cerebral,bdjnk/cerebral,christianalfoni/cerebral,cerebral/cerebral,idream3/cerebral,cerebral/cerebral,yusufsafak/cerebral,yusufsafak/cerebral,FWeinb/cerebral,idream3/cerebral,fopsdev/cerebral,garth/cerebral,christianalfoni/cerebral,bdjnk/cerebral,FWeinb/cerebral,garth/cerebral