Npm run dev reported an error. Why is this?

zhangyedeMacBook-Pro:zbst_wx zhangye$ npm run dev

vue-cli framework executes the code, and the error message is as follows



   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 is as follows:

{
  "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"
  ]
}

is vux-loader installed?

clipboard.png

https://doc.vux.li/zh-CN/abou...


clipboard.png
npm install vux-loader-- try save


you don't even install jquery


look at your package.json dependency on this vux-loader . As for why this error occurs, it is recommended that you delete the node_modules file and reinstall it.


webpack the version of this package is too low, use webpack4.x .

because webpack-dev-server when v3.1.14 , it supports webpack4.x. So there is an error in the addHooks method.

Menu