[英]Couldn't find preset “@babel/env” - reactjs
I want to build my application but I got this error message: 我想构建我的应用程序,但我收到此错误消息:
ERROR in ./src/index.js
Module build failed: Error: Couldn't find preset "@babel/env" relative to directory "/Users/mohammadmehdi/Documents/Work/sevenapp"
at /Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:293:19
at Array.map (<anonymous>)
at OptionManager.resolvePresets (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:275:20)
at OptionManager.mergePresets (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:264:10)
at OptionManager.mergeOptions (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:249:14)
at OptionManager.init (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:368:12)
at File.initOptions (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/index.js:212:65)
at new File (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/file/index.js:135:24)
at Pipeline.transform (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-core/lib/transformation/pipeline.js:46:16)
at transpile (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-loader/lib/index.js:50:20)
at Object.module.exports (/Users/mohammadmehdi/Documents/Work/sevenapp/node_modules/babel-loader/lib/index.js:173:20)
my package.json: 我的package.json:
{
"name": "sevenapp",
"version": "0.1.0",
"private": true,
"dependencies": {
"axios": "^0.18.0",
"babel-preset-react": "^6.24.1",
"bootstrap": "^4.0.0",
"html-webpack-plugin": "^3.2.0",
"jquery": "^3.3.1",
"rc-pagination": "^1.16.4",
"react": "^16.2.0",
"react-countup": "^3.0.3",
"react-dom": "^16.2.0",
"react-paginate": "^5.2.3",
"react-player": "^1.6.4",
"react-popup": "^0.9.3",
"react-redux": "^5.0.7",
"react-router": "^4.2.0",
"react-router-dom": "^4.2.2",
"react-scripts": "1.1.1",
"redux": "^4.0.0"
},
"scripts": {
"start": "webpack-dev-server --mode development --open",
"build": "webpack --mode production",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
},
"description": ":D",
"main": "index.js",
"devDependencies": {
"@babel/preset-env": "^7.0.0-beta.51",
"babel-core": "^6.26.0",
"babel-loader": "^7.1.4",
"babel-preset-env": "^1.7.0",
"babel-preset-stage-3": "^6.24.1",
"css-loader": "^0.28.11",
"jshint": "^2.9.5",
"jshint-loader": "^0.8.4",
"style-loader": "^0.21.0",
"url-loader": "^1.0.1",
"webpack": "^4.6.0",
"webpack-cli": "^2.0.15"
},
"author": "MM",
"license": "ISC"
}
my .babelrc
file: 我的
.babelrc
文件:
{
"presets": [
"@babel/env",
"@babel/preset-react",
[
"@babel/preset-stage-3",
{
"decoratorsLegacy": true
}
]
]
}
what is my wrong? 我错了什么?
my OS is macOS highSierra version 10.13.3 node js version 10 react version 16.2 nodejs version 10 webpack version 4 npm version 6.0.1 我的操作系统是macOS highSierra版本10.13.3节点js版本10反应版本16.2 nodejs版本10 webpack版本4 npm版本6.0.1
but couldn't find preset "@babel/env" 但找不到预设“@ babel / env”
How to solve this problem??? 如何解决这个问题呢???
This is the problem with your presets definition in your .babelrc
. 这是
.babelrc
预设定义的问题。 The correct preset name is preset-env
, not env
. 正确的预设名称是
preset-env
,而不是env
。
Update your .babelrc from @babel/env
to @babel/preset-env
will solve the problem. 将.babelrc从
@babel/env
更新为@babel/preset-env
将解决问题。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.