Webpack 迁移到V4版本指南 需要升级的npm库列表 "webpack": "^4.6.0", "webpack-cli": "^2.0.15", "webpack-dev-middleware": "^3.1.2", "webpack-hot-middleware": "^2.22.1", "file-loader": "^1.1.11", "url-loader": "^1.0.1", "html-webpack-plugin": "^3.2.0", "less": "^3.0.4", "less-loader": "^4.1.0", webpac...