webpack打包的时候报错,报错信息如下:
报错原因:使用了高版本的babel-loader,导致babel-loader和babel-core版本冲突,我降低之前babel-loader为8版本
解决办法:降低babel-loader版本,执行如下命令
npm install -D babel-loader@8 babel-core babel-preset-env
package.json文件内容如下:
{
"name": "demo1",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"build": "webpack --mode production",
"build:dev": "webpack --mode development"
},
"author": "",
"license": "ISC",
"dependencies": {
"file-loader": "^6.2.0",
"url-loader": "^4.1.1",
"webpack-cli": "^3.3.12"
},
"devDependencies": {
"@babel/core": "^7.21.8",
"@babel/plugin-transform-react-jsx": "^7.21.5",
"@babel/preset-env": "^7.21.5",
"babel-loader": "^8.3.0",
"webpack": "^4.46.0"
}
}
注意:使用sass-loader也容易出现版本问题,以下供参考: