SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:374:25)
at Object.Module._extensions..js (module.js:417:10)
at Module.load (module.js:344:32)
at Function.Module._load (module.js:301:12)
at Module.require (module.js:354:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (/home/mikepence/proj/openlayers/tasks/install.js:1:78)
at Module._compile (module.js:410:26)
at Object.Module._extensions..js (module.js:417:10)
Adding "use strict"; in build-ext.js at line 14 seems to fix that. Should I make a PR for that?