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警告信息:
WARNING in configuration The 'mode' option has not been set, webpack will fallback to 'production' for this value. Set 'mode' option to 'development' or 'production' to enable defaults for each environment. You can also set it to 'none' to disable any default behavior. Learn more: https://webpack.js.org/concepts/mode/ 原因: 需要配置环境即到底是生产环境还是开发环境,也就是指定mode的值。 mode: development 开发环境 production 生产环境 会压缩文件 解决方案: 方案一:webpack.config.js文件中,添加mode,给定对应的值 module.exports={
//入口
entry:'./src/index.js',
//出口
output:{
filename:'./dist/index.js'
},
//环境
mode:'development',
//module 关于loader配置
module:{},
//插件的配置
plugins:[],
//服务器的配置
devServer:{}
}; 方案二: package.json中,直接指定mode的值"build": "webpack --mode development"参考:http://ke.gxaedu.com/course/186 |
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