build dev failed:无法将属性'fileSystem'设置为null

Question

我正在尝试运行Ionic 2应用程序.我在运行时遇到以下错误ionic serve

build dev failed:无法将属性'fileSystem'设置为null

完整的日志如下:

? ionic serve                                                              

> ionic-hello-world@ ionic:serve D:\ionic         
> ionic-app-scripts serve                                                  

[18:11:23]  ionic-app-scripts 0.0.47                                       
[18:11:24]  watch started ...                                              
[18:11:24]  build dev started ...                                          
[18:11:24]  clean started ...                                              
[18:11:24]  clean finished in 6 ms                                         
[18:11:24]  copy started ...                                               
[18:11:24]  transpile started ...                                          
[18:11:28]  transpile finished in 4.15 s                                   
[18:11:28]  webpack started ...                                            
[18:11:28]  build dev failed: Cannot set property 'fileSystem' of null     
[18:11:28]  dev server running: http://localhost:8100/                     

[18:11:28]  copy finished in 4.39 s                                        
[18:11:28]  watch ready in 4.44 s   

Answer 1

将您的离子应用程序脚本更新到最新版本.RC5发布时为1.0.0.

npm install @ionic/app-scripts@latest --save-dev.

如建议的那样,从这里检查package.json .

跑 npm install