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    npm run dev报错这个是为什么?
    20
    0

    zhangyedeMacBook-Pro:zbst_wx zhangye$ npm run dev

    vue-cli框架 执行代码,报错信息如下

    
    
       zhangyedeMacBook-Pro:zbst_wx zhangye$ npm run dev
    
    > zbst_wx@1.0.0 dev /Users/zhangye/Desktop/zbst_wx
    > webpack-dev-server --inline --progress --config build/webpack.dev.conf.js
    
    TypeError: Cannot destructure property `compile` of 'undefined' or 'null'.
        at addHooks (/Users/zhangye/Desktop/zbst_wx/node_modules/webpack-dev-server/lib/Server.js:131:49)
        at new Server (/Users/zhangye/Desktop/zbst_wx/node_modules/webpack-dev-server/lib/Server.js:144:5)
        at startDevServer (/Users/zhangye/Desktop/zbst_wx/node_modules/webpack-dev-server/bin/webpack-dev-server.js:355:14)
        at processOptions (/Users/zhangye/Desktop/zbst_wx/node_modules/webpack-dev-server/bin/webpack-dev-server.js:309:5)
        at process._tickCallback (internal/process/next_tick.js:68:7)
        at Function.Module.runMain (internal/modules/cjs/loader.js:744:11)
        at startup (internal/bootstrap/node.js:285:19)
        at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)
    zhangyedeMacBook-Pro:zbst_wx zhangye$ 
        
        

    package.json如下:

    {
      "name": "zbst_wx",
      "version": "1.0.0",
      "description": "A Vue.js project",
      "author": "mimacare <mimacare@foxmail.com>",
      "private": true,
      "scripts": {
        "dev": "webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",
        "start": "npm run dev",
        "unit": "jest --config test/unit/jest.conf.js --coverage",
        "e2e": "node test/e2e/runner.js",
        "test": "npm run unit && npm run e2e",
        "lint": "eslint --ext .js,.vue src test/unit test/e2e/specs",
        "build": "node build/build.js"
      },
      "dependencies": {
        "jquery": "^3.3.1",
        "vue": "^2.5.2",
        "vue-router": "^3.0.1",
        "vux": "^2.9.2",
        "webpack-dev-server": "^3.1.14"
      },
      "devDependencies": {
        "autoprefixer": "^7.1.2",
        "babel-core": "^6.22.1",
        "babel-eslint": "^8.2.1",
        "babel-helper-vue-jsx-merge-props": "^2.0.3",
        "babel-jest": "^21.0.2",
        "babel-loader": "^7.1.1",
        "babel-plugin-dynamic-import-node": "^1.2.0",
        "babel-plugin-syntax-jsx": "^6.18.0",
        "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",
        "babel-plugin-transform-runtime": "^6.22.0",
        "babel-plugin-transform-vue-jsx": "^3.5.0",
        "babel-preset-env": "^1.3.2",
        "babel-preset-stage-2": "^6.22.0",
        "babel-register": "^6.22.0",
        "chalk": "^2.0.1",
        "chromedriver": "^2.27.2",
        "copy-webpack-plugin": "^4.0.1",
        "cross-spawn": "^5.0.1",
        "css-loader": "^0.28.0",
        "eslint": "^4.15.0",
        "eslint-config-standard": "^10.2.1",
        "eslint-friendly-formatter": "^3.0.0",
        "eslint-loader": "^1.7.1",
        "eslint-plugin-import": "^2.7.0",
        "eslint-plugin-node": "^5.2.0",
        "eslint-plugin-promise": "^3.4.0",
        "eslint-plugin-standard": "^3.0.1",
        "eslint-plugin-vue": "^4.0.0",
        "extract-text-webpack-plugin": "^3.0.0",
        "file-loader": "^1.1.4",
        "friendly-errors-webpack-plugin": "^1.6.1",
        "html-webpack-plugin": "^2.30.1",
        "jest": "^22.0.4",
        "jest-serializer-vue": "^0.3.0",
        "nightwatch": "^0.9.12",
        "node-notifier": "^5.1.2",
        "optimize-css-assets-webpack-plugin": "^3.2.0",
        "ora": "^1.2.0",
        "portfinder": "^1.0.13",
        "postcss-import": "^11.0.0",
        "postcss-loader": "^2.0.8",
        "postcss-url": "^7.2.1",
        "rimraf": "^2.6.0",
        "selenium-server": "^3.0.1",
        "semver": "^5.3.0",
        "shelljs": "^0.7.6",
        "uglifyjs-webpack-plugin": "^1.1.1",
        "url-loader": "^0.5.8",
        "vue-jest": "^1.0.2",
        "vue-loader": "^13.3.0",
        "vue-style-loader": "^3.0.1",
        "vue-template-compiler": "^2.5.2",
        "vux-loader": "^1.2.9",
        "webpack": "^3.6.0",
        "webpack-bundle-analyzer": "^2.9.0",
        "webpack-cli": "^3.2.1",
        "webpack-merge": "^4.1.0"
      },
      "engines": {
        "node": ">= 6.0.0",
        "npm": ">= 3.0.0"
      },
      "browserslist": [
        "> 1%",
        "last 2 versions",
        "not ie <= 8"
      ]
    }
    
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    • 0
    • "npm run dev" 是一个 Node.js 开发环境,用于运行本地 Node.js 应用程序。然而,当它在运行时出现错误时,可能有很多原因,以下是一些可能的原因:

      1. 安装包错误:可能是你的 Node.js 包没有正确安装,或者安装包的版本与你的代码不兼容。你可以在运行时使用 npm list 命令来查看已安装的包及其版本。

      2. 文件或目录不存在:如果目标文件或目录不存在,Node.js 将无法找到它。你可以在运行时使用 npm install 命令来安装新包或文件。

      3. 环境变量问题:Node.js 在运行时需要几个环境变量来运行。你可以在运行时使用 export 命令来设置这些环境变量。

      4. 驱动器问题:如果你的 Node.js 应用程序需要运行在特定的驱动器上,例如在 Windows 上运行在 C盘上,那么在运行时需要将驱动器设置为 C盘。

      5. 模块或依赖项问题:如果一个 Node.js 模块或依赖项有错误,那么这个模块或依赖项可能无法正常工作。你可以在运行时使用 npm install 命令来安装新的模块或依赖项。

      6. 脚本错误:如果你的 Node.js 应用程序的脚本有错误,那么这个脚本可能无法正常工作。你可以在运行时使用 node 命令来运行脚本。

      以上是一些可能的原因,你可以根据实际情况尝试解决这些问题。如果你无法解决问题,可能需要寻求专业的 Node.js 开发人员的帮助。

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