执行npm install时出现E404错误，请求技术指导

Hey there, I’ve dealt with this exact error before—let’s get it sorted out quickly!

问题根源 #

The error npm ERR! 404 Not Found - GET https://registry.npmjs.org/tsnode - Not found is almost certainly due to a typo in the package name. There’s no package called tsnode on the npm registry—you’re looking for ts-node (with a hyphen), the popular TypeScript execution environment for Node.js.

修复步骤 #

• 检查并修正package.json：打开你的package.json文件，找到dependencies或devDependencies里的tsnode条目，把它改成ts-node。
• 重新执行正确的安装命令：
  • 本地安装（项目依赖）：

    npm install ts-node
    

  • 全局安装（系统级可用）：

    npm install -g ts-node
    

• 可选：安装类型依赖：如果你的项目用TypeScript，建议同时安装@types/node来获得Node.js的类型定义，避免编译报错：

  npm install @types/node --save-dev
  

额外排查（如果上述步骤无效） #

If you’ve fixed the typo and still get the error, double-check your npm registry configuration to make sure it’s pointing to the official npm registry:

npm config get registry

If it returns something other than https://registry.npmjs.org/, you can reset it with:

npm config set registry https://registry.npmjs.org/

内容的提问来源于stack exchange，提问作者Anum