错误 in./src/app.js 模块构建失败（来自./node_modules/babel-loader/lib/index.js）：错误：找不到模块'@babel/preset-present-env'
[英]ERROR in ./src/app.js Module build failed (from ./node_modules/babel-loader/lib/index.js): Error: Cannot find module '@babel/preset-present-env'
问题描述
When I run command 'npm run build', I get this error:
当我运行命令“npm run build”时，出现此错误：
ERROR in./src/app.js Module build failed (from./node_modules/babel-loader/lib/index.js): Error: Cannot find module '@babel/preset-present-env' from 'F:\Project\frontend-project-lvl1' at Function.resolveSync [as sync] (F:\Project\frontend-project-lvl1\node_modules\resolve\lib\sync.js:89:15) at resolveStandardizedName (F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\files\plugins.js:101:31) at resolvePreset (F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\files\plugins.js:58:10) at loadPreset (F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\files\plugins.js:77:20) at createDescriptor (F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\config-descriptors.js:154:9) at F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\config-descriptors.js:109:50 at Array.map () at createDescriptors (F:\Project\frontend-project-lvl1\node_modules@babel\core\lib\config\config-descriptors.js:109:29) a
My config is: package.json我的配置是： package.json
{
"name": "frontend-project-lvl1",
"version": "1.0.0",
"description": "",
"main": "Main.js",
"scripts": {
"build": "webpack",
"start": "webpack --watch"
},
"repository": {
"type": "git",
"url": "git+https://github.com/an-palna/frontend-project-lvl1.git"
},
"author": "",
"license": "ISC",
"bugs": {
"url": "https://github.com/an-palna/frontend-project-lvl1/issues"
},
"homepage": "https://github.com/an-palna/frontend-project-lvl1#readme",
"devDependencies": {
"@babel/core": "^7.9.6",
"@babel/preset-env": "^7.9.6",
"babel-loader": "^8.1.0",
"css-loader": "^3.5.3",
"extract-text-webpack-plugin": "^4.0.0-beta.0",
"node-sass": "^4.14.1",
"sass-loader": "^8.0.2",
"style-loader": "^1.2.1",
"webpack": "^4.43.0",
"webpack-cli": "^3.3.11"
},
"files": [
"dist"
]
}
webpack.config.js webpack.config.js
const path = require('path');
const ExtractTextPlugin = require("extract-text-webpack-plugin");
module.exports = {
entry: './src/app.js',
output: {
path: path.resolve(__dirname, 'dist'),
filename: 'bundle.js'
},
module: {
rules: [
{
test: /\.scss$/,
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: ['css-loader', 'sass-loader']
})
},
{
test: /\.m?js$/,
exclude: /(node_modules|bower_components)/,
use: {
loader: 'babel-loader',
options: {
presets: [
['@babel/preset-env', { modules: false }]
]
}
}
}
]
},
plugins: [
new ExtractTextPlugin('style.css')
]
};
babel.config babel.config
module.exports = {
presets: [
['@babel/present-env', {
targets: {
node: 'current',
firefox: '60',
chrome: '67',
safari: '11.1',
},
}],
],
};
.babelrc .babelrc
{
"presets": [
"@babel/preset-env"
]
}
1 个解决方案
解决方案1
1 已采纳 2020-05-16 14:45:45
Change ['@babel/present-env' , { to ['@babel/preset-env' , in your babel.config在您的babel.config 中将['@babel/present-env' , { 更改为['@babel/preset-env'
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