Emmanuele Bassi authored Aug 31, 2018 and Ray Strode committed Mar 12, 2019

API changes in mozjs that need to be reflected in the JS authority:

 - the JS::CompileOptions constructor and the JS::CompartmentOptions
   do not allow setting a JS version any more

 - do not use NULL comparisons for C++ objects

 - the resize() method for a vector has a return value that needs
   to be handled

 - JSClassOps has different fields