esm: fixup process Proxy to handle toString correctly
This fixes the following --experimental-modules
bug:
import process from 'process';
// returns [object Object] instead of [object process]
console.log(Object.prototype.toString.call(process));
//cc @devsnek
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines