BREAKING CHANGE: webpack ＜ 5 used to include polyfills

解决webpack5错误，类似下面这种错误信息

BREAKING CHANGE: webpack < 5 used to include polyfills for node.js core modules by default.
This is no longer the case. Verify if you need this module and configure a polyfill for it.If you want to include a polyfill, you need to:- add a fallback 'resolve.fallback: { "util": require.resolve("util/") }'- install 'util'
If you don't want to include a polyfill, you can use an empty module like this:resolve.fallback: { "util": false }

解决方法
在webpack.config.js加上报错提示的关键字
每一个alias属性，对应1个以上的错误

alias: {crypto: false,stream: false,assert: false,http: false,https: false,util: false,os: false,url: false}

解决process is not defined

将丢失的Polyfills全部给找回来，下载插件

npm install node-polyfill-webpack-plugin

在webpack.config.js中添加配置

const NodePolyfillPlugin = require('node-polyfill-webpack-plugin')plugins: [new NodePolyfillPlugin()
]

也可以找回指定的Polyfill，crypto模块，但容易缺胳膊少腿。。。还是一键加载吧。。。

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BREAKING CHANGE: webpack ＜ 5 used to include polyfills

解决webpack5错误，类似下面这种错误信息

解决process is not defined

BREAKING CHANGE: webpack ＜ 5 used to include polyfills相关推荐

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