// simple mutable assign (extracted from fs-extra)// I really like object-assign package, but I wanted a lean package with zero depsfunction_assign(){varargs=[].slice.call(arguments).filter(function(i){returni})vardest=args.shift()args.forEach(function(src){Object.keys(src).forEach(function(key){dest[key]=src[key]})})returndest}// thank you baby Jesus for Node v4 and Object.assignmodule.exports=Object.assign||_assign