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找不到模块：错误无法解决child_process，如何修复？

有骏祥
2023-03-14

我正在尝试创建一个JupyterLab扩展，它使用typescript。

我已经成功地添加了包“@类型/节点”，允许我使用诸如“要求”（“超文本传输协议”）这样的包。

但一旦我尝试使用子进程，使用“require”（“child_process”），我在尝试构建扩展时就会出现以下错误。

ModuleNotFoundError: Module not found: Error: Can't resolve 'child_process' in '/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/lib'
    at factory.create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/webpack/lib/Compilation.js:535:10)
    at factory (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/webpack/lib/NormalModuleFactory.js:397:22)
    at resolver (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/webpack/lib/NormalModuleFactory.js:130:21)
    at asyncLib.parallel (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/webpack/lib/NormalModuleFactory.js:224:22)
    at /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/neo-async/async.js:2825:7
    at /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/neo-async/async.js:6886:13
    at normalResolver.resolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/webpack/lib/NormalModuleFactory.js:214:25)
    at doResolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:184:12)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at resolver.doResolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js:37:5)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:12:1)
    at resolver.doResolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js:42:38)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn41 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:381:1)
    at resolver.doResolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/ModuleKindPlugin.js:23:37)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at args (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/forEachBail.js:30:14)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at resolver.doResolve (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/UnsafeCachePlugin.js:37:5)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5)
    at _fn0 (eval at create (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/tapable/lib/HookCodeFactory.js:32:10), <anonymous>:15:1)
    at hook.callAsync (/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/enhanced-resolve/lib/Resolver.js:238:5) resolve 'child_process' in '/home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/lib' Parsed request is a module   using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/package.json (relative path: ./lib)
    Field 'browser' doesn't contain a valid alias configuration
    resolve as module
      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/lib/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/jupyterlab-ext/share/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/jupyterlab-ext/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/envs/node_modules doesn't exist or is not a directory
      /home/fionn/anaconda3/node_modules doesn't exist or is not a directory
      /home/fionn/node_modules doesn't exist or is not a directory
      /home/node_modules doesn't exist or is not a directory
      /node_modules doesn't exist or is not a directory
      looking for modules in /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules
        using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/package.json (relative path: ./node_modules)
          Field 'browser' doesn't contain a valid alias configuration
      looking for modules in /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules
        using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/package.json (relative path: ./node_modules)
          Field 'browser' doesn't contain a valid alias configuration
          using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/package.json (relative path: .)
            no extension
              Field 'browser' doesn't contain a valid alias configuration
          using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/package.json (relative path: ./node_modules/child_process)
            no extension
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process is not a file
            .wasm
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process doesn't exist
            .wasm
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process.wasm doesn't exist
            .mjs
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process.wasm doesn't exist
            .mjs
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process.mjs doesn't exist
            .js
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process.mjs doesn't exist
            .js
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process.js doesn't exist
            .json
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process.js doesn't exist
            .json
              Field 'browser' doesn't contain a valid alias configuration
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process.json doesn't exist
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process.json doesn't exist
            as directory
              existing directory
                use ./index.js from main in package.json
                  using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/package.json (relative path: .)
                    Field 'browser' doesn't contain a valid alias configuration
            as directory
              /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/jupyerlab_xkdc/node_modules/child_process doesn't exist
                    using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/package.json (relative path: ./index.js)
                      no extension
                        Field 'browser' doesn't contain a valid alias configuration
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js doesn't exist
                      .wasm
                        Field 'browser' doesn't contain a valid alias configuration
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js.wasm doesn't exist
                      .mjs
                        Field 'browser' doesn't contain a valid alias configuration
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js.mjs doesn't exist
                      .js
                        Field 'browser' doesn't contain a valid alias configuration
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js.js doesn't exist
                      .json
                        Field 'browser' doesn't contain a valid alias configuration
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js.json doesn't exist
                      as directory
                        /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js doesn't exist
                using path: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index
                  using description file: /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/package.json (relative path: ./index)
                    no extension
                      Field 'browser' doesn't contain a valid alias configuration
                      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index doesn't exist
                    .wasm
                      Field 'browser' doesn't contain a valid alias configuration
                      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.wasm doesn't exist
                    .mjs
                      Field 'browser' doesn't contain a valid alias configuration
                      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.mjs doesn't exist
                    .js
                      Field 'browser' doesn't contain a valid alias configuration
                      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.js doesn't exist
                    .json
                      Field 'browser' doesn't contain a valid alias configuration
                      /home/fionn/anaconda3/envs/jupyterlab-ext/share/jupyter/lab/staging/node_modules/child_process/index.json doesn't exist error Command failed with exit code 1.

我在谷歌上搜索过，但仍然不知道如何解决这个问题。

如有任何提示或信息，将不胜感激。

我的包裹。json文件。

{
  "name": "jupyerlab_xkdc",
  "version": "0.1.0",
  "description": "Short description",
  "keywords": [
    "jupyter",
    "jupyterlab",
    "jupyterlab-extension"
  ],
  "homepage": "https://github.com/my_name/myextension",
  "bugs": {
    "url": "https://github.com/my_name/myextension/issues"
  },
  "license": "BSD-3-Clause",
  "author": "Fionn McKnight",
  "files": [
    "lib/**/*.{d.ts,eot,gif,html,jpg,js,js.map,json,png,svg,woff2,ttf}",
    "style/**/*.{css,eot,gif,html,jpg,json,png,svg,woff2,ttf}"
  ],
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "repository": {
    "type": "git",
    "url": "https://github.com/my_name/myextension.git"
  },
  "scripts": {
    "build": "tsc",
    "clean": "rimraf lib",
    "prepare": "npm run clean && npm run build",
    "watch": "tsc -w"
  },
  "dependencies": {
    "@jupyterlab/application": "^0.19.1",
    "@jupyterlab/apputils": "^0.19.1",
    "@phosphor/coreutils": "^1.3.0",
    "@phosphor/messaging": "^1.2.2",
    "@phosphor/widgets": "^1.6.0",
    "@types/jquery": "^3.3.29",
    "@types/node": "^10.12.19",
    "child_process": "^1.0.2",
    "npm": "^6.7.0"
  },
  "devDependencies": {
    "@types/node": "^10.12.19",
    "rimraf": "^2.6.1",
    "typescript": "~3.1.1"
  },
  "jupyterlab": {
    "extension": true
  }
}

共有3个答案

家志学
2023-03-14

在我使用的新版本中：

// webpack.config.js
...,
resolve: {
    extensions: [".ts", ".js"],
    fallback: {
      "child_process": false,
      // and also other packages that are not found
    }
  },
慕阳伯
2023-03-14

我在尝试运行故事书时遇到了类似的错误。js使用网页包。

您可以将以下内容添加到网页包的配置中以修复生成-

// webpack.config.js
...,
node: {
    child_process: "empty"
    // fs: "empty", // if unable to resolve "fs"
},

您还可以将其他冲突模块设置为“empty”，如果它们负责破坏生成。

网页包配置的参考。节点

况浩邈
2023-03-14

把它放进包裹里。json

"browser":{
"child_process": false
}

你在用webpack吗

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