Webpack 5不再对节点核心模块进行自动填充。 请问怎么修?

break CHANGE:默认情况下,webpack < 5用于为node.js核心模块包含polyfills。 现在情况已经不同了。验证你是否需要这个模块,并为它配置一个填充。


当前回答

新的vue-cli升级(v5)就是这样。为了修复它(空模块的方式),你必须这样改变vue.config.js:

configureWebpack: (config) => {
  config.resolve.fallback = {
    ...config.resolve.fallback,
    // Include here the "empty" modules
    url: false,
    util: false,
    querystring: false,
    https: false,
  };
}

其他回答

对于我(使用React => v17;React脚本=> v5;webpack => v5),由@Letton和@Richie Bendall建议的解决方案组合与另一个附加,即包一起工作。Json中,必须添加并安装以下包。还请注意fs版本“^2.0.0”抛出一个错误,因此更改为“0.0.1-security”。

"assert": "^2.0.0", 
"https-browserify": "^1.0.0", 
"os": "^0.1.2",
"os-browserify": "^0.3.0",
"react-app-rewired": "^2.1.9",
"stream-browserify": "^3.0.0",
"stream-http": "^3.2.0",
"fs":"^0.0.1-security",
"crypto-browserify": "3.12.0",
"buffer":"^6.0.3",
"node-polyfill-webpack-plugin": "^2.0.1"

安装完这些后,执行剩下的步骤,即将config-override .js添加到根目录,并更改包中的脚本内容。从react-scripts到react-app-rewired的Json修复了这个问题。

如果你使用Twilio:

Twilio模块不是用于客户端JavaScript的,这就是它在Angular应用中失败的原因。Twilio使用您的帐户SID和您的认证令牌,在客户端使用代表风险; 所以最好是在服务器端使用它并使用API。

Compiled with problems:X

ERROR in ./node_modules/body-parser/lib/read.js 24:11-26

Module not found: Error: Can't resolve 'zlib' in 'E:\My Documents\work\web\mbamasala\node_modules\body-parser\lib'

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: { "zlib": require.resolve("browserify-zlib") }'
    - install 'browserify-zlib'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "zlib": false }


ERROR in ./node_modules/body-parser/lib/types/urlencoded.js 217:12-34

Module not found: Error: Can't resolve 'querystring' in 'E:\My Documents\work\web\mbamasala\node_modules\body-parser\lib\types'

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: { "querystring": require.resolve("querystring-es3") }'
    - install 'querystring-es3'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "querystring": false }


ERROR in ./node_modules/destroy/index.js 15:17-41

Module not found: Error: Can't resolve 'fs' in 'E:\My Documents\work\web\mbamasala\node_modules\destroy'


ERROR in ./node_modules/destroy/index.js 17:13-30

Module not found: Error: Can't resolve 'stream' in 'E:\My Documents\work\web\mbamasala\node_modules\destroy'

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: { "stream": require.resolve("stream-browserify") }'
    - install 'stream-browserify'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "stream": false }


ERROR in ./node_modules/destroy/index.js 19:11-26

Module not found: Error: Can't resolve 'zlib' in 'E:\My Documents\work\web\mbamasala\node_modules\destroy'

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: { "zlib": require.resolve("browserify-zlib") }'
    - install 'browserify-zlib'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "zlib": false }


ERROR in ./node_modules/mime-types/index.js 15:14-37

Module not found: Error: Can't resolve 'path' in 'E:\My Documents\work\web\mbamasala\node_modules\mime-types'

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: { "path": require.resolve("path-browserify") }'
    - install 'path-browserify'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "path": false }


ERROR in ./node_modules/safer-buffer/safer.js 4:13-30

Module not found: Error: Can't resolve 'buffer' in 'E:\My Documents\work\web\mbamasala\node_modules\safer-buffer'

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: { "buffer": require.resolve("buffer/") }'
    - install 'buffer'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "buffer": false }


ERROR in ./node_modules/string_decoder/node_modules/safe-buffer/index.js 4:13-30

Module not found: Error: Can't resolve 'buffer' in 'E:\My Documents\work\web\mbamasala\node_modules\string_decoder\node_modules\safe-buffer'

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: { "buffer": require.resolve("buffer/") }'
    - install 'buffer'
If you don't want to include a polyfill, you can use an empty module like this:
    resolve.fallback: { "buffer": false }

我试了很多办法,但都没有解决。 在手动搜索后,我得到了一行代码,它自动插入到我的vs code中 从body-parser导入{json} 我移开了,节省了时间。 我希望它能帮助到一些人。 谢谢。

我喜欢把事情简单化,在这里之前不需要运行npm run-script eject,所以我降级回react-scripts@4.0.3而不是5.0.0 到目前为止,Webpack仍然没有解决这个问题

可悲的是,因为这包括一堆退役的包裹。

当从webpack v4升级到v5时,我也得到了这些错误。 通过对webpack.config.js进行以下更改来解决

添加的决心。回退财产

删除节点属性

{
resolve: {
  modules: [...],
  fallback: {
    "fs": false,
    "tls": false,
    "net": false,
    "path": false,
    "zlib": false,
    "http": false,
    "https": false,
    "stream": false,
    "crypto": false,
    "crypto-browserify": require.resolve('crypto-browserify'), //if you want to use this module also don't forget npm i crypto-browserify 
  } 
},
entry: [...],
output: {...},
module: {
  rules: [...]
},
plugins: [...],
optimization: {
  minimizer: [...],
},
// node: {
//   fs: 'empty',
//   net: 'empty',
//   tls: 'empty'
// },
}

从v4升级到v5 => https://webpack.js.org/migrate/5/#clean-up-configuration