在 Angular 获取错误中 - “发生未处理的异常：找不到模块 './internal/Observable'”

Question

我在运行角度应用程序时遇到以下错误。
我刚刚将 Angular 从 13 版本升级到 14 版本。

$ npm run start

> [email protected] start
> ng serve

An unhandled exception occurred: Cannot find module './internal/Observable'
Require stack:
- C:\Wallet\AngularUpgradeV1\CodeWallet\node_modules\@angular-devkit\architect\node_modules\rxjs\index.js
- C:\Wallet\AngularUpgradeV1\CodeWallet\node_modules\@angular-devkit\architect\src\api.js
- C:\Wallet\AngularUpgradeV1\CodeWallet\node_modules\@angular-devkit\architect\src\index.js
- C:\Wallet\AngularUpgradeV1\CodeWallet\node_modules\@angular-devkit\build-angular\src\builders\dev-server\index.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\node-modules-architect-host.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\index.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\models\architect-command.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\commands\serve-impl.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\export-ref.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\index.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\utilities\json-schema.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\models\command-runner.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\lib\cli\index.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\lib\init.js
- C:\Users\Wallet\AppData\Roaming\npm\node_modules\@angular\cli\bin\ng
See "C:\Users\Wallet\AppData\Local\Temp\1\ng-ncIJTe\angular-errors.log" for further details.

Answer 1

就跑：

npm install --save rxjs-compat 

如下所示的导入将其提供在相应模块文件的导入数组中：

import { Observable } from 'rxjs/Observable';