你好,我正在尝试在我的反应应用程序中设置环境变量。我和webpack 4和巴贝尔一起在地下建筑。在webpack.config中添加dotenv-webpack插件后,我得到了这个错误。
TypeError: Cannot read property 'version' of undefined
at Dotenv.apply (C:\Users\vrana\Documents\codeproject\musicapp\client\node_modules\dotenv-webpack\dist\index.js:65:38)
at WebpackCLI.webpack (C:\Users\vrana\Documents\codeproject\musicapp\client\node_modules\webpack\lib\webpack.js:51:13)
at WebpackCLI.createCompiler (C:\Users\vrana\Documents\codeproject\musicapp\client\node_modules\webpack-cli\lib\webpack-cli.js:1678:29)
nt\node_modules\@webpack-cli\serve\lib\index.js:67:30)
at async Promise.all (index 1)
at async Command.<anonymous> (C:\Users\vrana\Documents\codeproject\musicapp\client\node_modules\webpack-cli\lib\webpack-cli.js:1120:13)这是我的devDependencies,来自package.json
"devDependencies": {
"@babel/core": "^7.12.17",
"@babel/preset-env": "^7.13.10",
"@babel/preset-react": "^7.12.13",
"babel-loader": "^8.2.2",
"babel-plugin-styled-components": "^1.12.0",
"css-loader": "^5.0.2",
"dotenv-webpack": "^7.0.1",
"error-overlay-webpack-plugin": "^0.4.2",
"html-webpack-plugin": "^4.5.2",
"mini-css-extract-plugin": "^1.3.8",
"react-hot-loader": "^4.13.0",
"sass": "^1.32.8",
"sass-loader": "^10.1.1",
"style-loader": "^2.0.0",
"webpack": "^4.46.0",
"webpack-cli": "^4.5.0",
"webpack-dev-server": "^3.11.2"
}有人知道怎么解决这个问题吗?
发布于 2021-03-15 07:44:57
我也有过类似的问题,当我将webpack更新到5.25之后,它就消失了。不确定实际原因,但我已经看到了问题,当组件没有很好地发挥与具体版本的webpack,所以它似乎是同样令人沮丧的开发经验,因为它得到。无论如何,这里是我的项目中的dev依赖项
"devDependencies": {
"copy-webpack-plugin": "4.5.1",
"css-loader": "4.3.0",
"dotenv-webpack": "7.0.1",
"style-loader": "1.2.1",
"ts-loader": "8.0.1",
"webpack": "5.25.0",
"webpack-bundle-analyzer": "4.4.0",
"webpack-cli": "4.5.0"
}另外,请注意,我没有使用插入符号(^)。IMO更好地控制了您实际运行的包版本。
https://stackoverflow.com/questions/66583048
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