superspawn.js:169:23) at emitTwo (events.js:126:13) at ChildProcess.emit (events.js:214:7) at maybe Close (internal/child_process.js:925:16) at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5) (node:12176) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1) (node:12176) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecate