无法确定@ angular/compiler-cli和打字稿的版本 [英] Versions of @angular/compiler-cli and typescript could not be determined

问题描述

我已经安装了Angular/cli，然后尝试运行ng serve命令，然后抛出以下错误.我已经尝试了很多事情，例如卸载angular/cli，npm cache clean等

I have installed Angular/cli and then try to run command ng serve then below error is throwing. I have tried lot of thing like uninstall angular/cli, npm cache clean, etc

@ angular/compiler-cli和打字稿的版本不能 决定.最常见的原因是npm安装失败.

Versions of @angular/compiler-cli and typescript could not be determined. The most common reason for this is a broken npm install.

请确保您的package.json同时包含@ angular/compiler-cli 然后在devDependencies中键入，然后删除node_modules和 package-lock.json(如果有)，然后再次运行npm install.

Please make sure your package.json contains both @angular/compiler-cli and typescript in devDependencies, then delete node_modules and package-lock.json (if you have one) and run npm install again.

推荐答案

在不隐式运行devDependencies的情况下，这可能是个问题.

This may be a problem in not implicitly running devDependencies.

尝试使用以下命令隐式运行它们.

Try running them implicitly with the command below.

npm install --dev

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