build failuer 失敗する「event-stream@~3.3.0」content of undefined event-stream yarn
When you build project in server, It may fail to build.
The error message show you some info about event-stream 3.3.0. so you will check that package's repogitory.
then you will see there are some problem packege itself.
you can solve it. Fix package.json like below.
the resolutions is force update sub dependence package.
I can now build it