Error watching file for changes: EMFILE
{"code":"EMFILE","errno":"syscall":"Error watching file for changes:",152);">"filename":null}
Error: for changes: EMFILE
at exports._errnoException (util.js:1008:11)
at FSEvent.FSWatcher._handle.onchange (fs.js:1406:11)
有人说：升级最新MacOS系统后，需要重新安装一次brew install watchman
此时会提示你：Error: You must `brew link autoconf automake` before watchman can be installed
VictordeMacBook-Pro:AwesomeProject victor$ brew link autoconf automake
在brew install watchman之前要：brew link autoconf automake
OK照做，然后再运行就成功了
