无法使用@ babel/preset-env运行node.js文件 [英] Unable to run a node.js file with @babel/preset-env

问题描述

我正在尝试运行一个简单的node.js文件，该文件需要@ babel/preset-env预设.运行js文件的那一刻，我收到一条消息

I'm trying to run a simple node.js file which needs the @babel/preset-env preset. The moment I run the js file, I get a message saying

需要Babel"7.0.0-0"，但已加载"6.26.3"

Requires Babel "7.0.0-0" but was loaded with "6.26.3"

要复制该问题，请在新文件夹中尝试以下操作: 1.运行以下命令

To replicate the issue, please try the following in a new folder: 1. Run the following commands

npm init
npm install @babel/register
npm install @babel/core@^7.2.2
npm install @babel/preset-env

1. 使用以下内容创建.babelrc文件

{
"presets": ["@babel/preset-env"],
"plugins": []
}

1. 使用以下内容创建示例emp.jsx

import React from "react";
class CommentBox extends React.Component {}

1. 使用以下内容创建parse.js文件

require('babel-register')({presets: ['env', 'react']});
let Emp = require('./emp.jsx');

现在通过运行来运行parse.js文件

Now run the parse.js file by running

node parse.js

您应该看到上面提到的错误.我已经尝试修复很长时间了.请帮忙.

You should see the error mentioned above. I have been trying to fix with for a long time now. Please help.

非常感谢

推荐答案

发现了问题. .babelrc文件包含对@ babel/preset-env的引用.删除它，并编译js文件就可以了.

Found the problem. The .babelrc file that contained a reference to @babel/preset-env. Removed it and the js file compiled just fine.

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