Angular，Webpack5模块联合:在需要流的位置提供了无效的对象

Question

我目前正在开发一个使用Webpack5模块联盟和Angular的微前端架构的项目。我正在处理一个有点奇怪的问题。事实上，我所有的微前端(远程)都可以单独工作，但在将它们集成到shell (主机)中时。我有一个错误出现，并显示了一些错误的应用程序。

ERROR TypeError: You provided an invalid object where a stream was expected.  
You can provide an Observable, Promise, Array, or Iterable.

此错误来自Angular Core，尤其是当存在集成的Angular材质组件时。

关于这个问题最疯狂的事情是，当我激活chrome扩展"Redux Dev Tools“时，它已经不存在了。你有什么想法吗？

共享库可能有问题，但我不知道在哪里？

我对主机和远程的各种配置。

Shell：

new ModuleFederationPlugin({
      remotes: {
          // all remotes that will be used in the shell
          'designer': "designer@http://localhost:4201/remoteEntry.js",
          'library':"library@http://localhost:4202/remoteEntry.js"
        },
      shared:  {
        // all libraries that will be shared with microfrontends
        "@angular/core": { singleton: true, strictVersion: false },
        "@angular/common": { singleton: true, strictVersion: false },
        "@angular/router": { singleton: true, strictVersion: false },
        "@angular/forms":{ singleton: true, strictVersion: false },
        "@angular/cdk":{ singleton: true, strictVersion: false },
        "@angular/material":{ singleton: true, strictVersion: false },
        //"@ngx-translate/core":{ singleton: true, strictVersion: false },
        "@bl/auth-token": { singleton: true, strictVersion: false },
        //"@bl/elements": { singleton: true, strictVersion: false },
        "@bl/theme": { singleton: true, strictVersion: false },
        "@bl/shared": { singleton: true, strictVersion: false },
        "@bl/bl-app-layout": { singleton: true, strictVersion: false },
      }
  })

远程1：

new ModuleFederationPlugin({
          
      // For remotes (please adjust)
      name: "library",
      filename: "remoteEntry.js",
      exposes: {
        './web-components': './src/bootstrap.ts',
      },        

      shared:  {
        "@angular/core": { singleton: true, strictVersion: false },
        "@angular/common": { singleton: true, strictVersion: false },
        "@angular/router": { singleton: true, strictVersion: false },
        "@angular/forms":{ singleton: true, strictVersion: false },
        "@angular/cdk":{ singleton: true, strictVersion: false },
        "@angular/material":{ singleton: true, strictVersion: false },
        //"@ngx-translate/core":{ singleton: true, strictVersion: false },
        "@bl/auth-token": { singleton: true, strictVersion: false },
        //"@bl/elements": { singleton: true, strictVersion: false },
        "@bl/theme": { singleton: true, strictVersion: false },
        "@bl/shared": { singleton: true, strictVersion: false },
        "@bl/bl-app-layout": { singleton: true, strictVersion: false },
      }
    }),

远程2：

new ModuleFederationPlugin({
          
      // For remotes (please adjust)
      name: "designer",
      filename: "remoteEntry.js",
      exposes: {
        './web-components': './src/bootstrap.ts',
      },        

      shared:  {
        "@angular/core": { singleton: true, strictVersion: false },
        "@angular/common": { singleton: true, strictVersion: false },
        "@angular/router": { singleton: true, strictVersion: false },
        "@angular/forms":{ singleton: true, strictVersion: false },
        "@angular/cdk":{ singleton: true, strictVersion: false },
        "@angular/material":{ singleton: true, strictVersion: false },
        //"@ngx-translate/core":{ singleton: true, strictVersion: false },
        "@bl/auth-token": { singleton: true, strictVersion: false },
        //"@bl/elements": { singleton: true, strictVersion: false },
        "@bl/theme": { singleton: true, strictVersion: false },
        "@bl/shared": { singleton: true, strictVersion: false },
        "@bl/bl-app-layout": { singleton: true, strictVersion: false },
      }
    }),

Answer 1

我刚遇到了和你一样的问题。对我来说，向ModuleFederationPlugin中的共享库添加rxjs和rxjs/操作符解决了这个问题。我为shell和远程应用程序添加了以下库：

'rxjs': { singleton: true, strictVersion: true, requiredVersion: 'auto' },
'rxjs/operators': { singleton: true, strictVersion: true, requiredVersion: '~6.6.0' }

有必要显式地共享rxjs/运算符，并给出一个固定的版本号来使用，如示例所示。