wscat 安装踩坑

安装 wscat 简单

npm install -g wscat

$ wscat -c ws://echo.websocket.org
Connected (press CTRL+C to quit)
> hi there
< hi there
> are you a happy parrot?
< are you a happy parrot?

据说可用了,但是环境报错了

wscat -h                                                                                                                                  
/usr/lib/node_modules/wscat/node_modules/ws/lib/websocket.js:354                                                                                                       
      ...options                                                                                                                                                       
      ^^^                                                                                                                                                              
                                                                                          

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