webpack打包问题

Question

打包过程中发现总是package.json里面的版本导致打包失败，npm的时候怎么才能找到合适的版本吗,难道只能打包错误的时候再一个个试版本吗

{
  "name": "lesson",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "webpack-dev-server"
  },
  "author": "Zhe Wang",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.2.0",
    "@babel/plugin-transform-runtime": "^7.2.0",
    "@babel/preset-env": "^7.2.0",
    "@babel/preset-react": "^7.14.5",
    "@types/autoprefixer": "^10.2.0",
    "autoprefixer": "^9.7.2",
    "babel-loader": "^8.0.4",
    "clean-webpack-plugin": "^3.0.0",
    "css-loader": "^1.0.1",
    "express": "^4.17.1",
    "file-loader": "^6.2.0",
    "html-webpack-plugin": "^4.5.0",
    "node-sass": "^4.10.0",
    "postcss-loader": "^3.0.0",
    "sass-loader": "^7.1.0",
    "style-loader": "^0.23.1",
    "url-loader": "^4.1.1",
    "webpack": "^4.46.0",
    "webpack-cli": "^3.3.12",
    "webpack-dev-middleware": "^5.0.0",
    "webpack-dev-server": "3.11.2"
  },
  "dependencies": {
    "@babel/polyfill": "^7.0.0",
    "@babel/runtime": "^7.2.0",
    "@babel/runtime-corejs2": "^7.2.0",
    "react": "^17.0.2",
    "react-dom": "^17.0.2"
  }
}

Answer 1

先看看你的node版本，再看看包依赖哪个node的版本，如果因为node版本过低，就更新node版本。如果不想更新，就只能降低包的版本

Answer 2

你npm install的时候有没有package-lock.json文件，如果只有package.json文件而且没有直接指定版本，版本出错很正常