vue用npm报这个是什么意思

Question

$ npm install
npm WARN deprecated extract-text-webpack-plugin@3.0.2: Deprecated. Please use https://github.com/webpac k-contrib/mini-css-extract-plugin
npm WARN deprecated browserslist@2.11.3: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated bfj-node4@5.3.1: Switch to the bfj package for fixes and new features!
npm WARN deprecated flatten@1.0.2: I wrote this module a very long time ago; you should use something e lse.
npm WARN deprecated browserslist@1.7.7: Browserslist 2 could fail on reading Browserslist >3.0 config u sed in other tools.
npm WARN deprecated circular-json@0.3.3: CircularJSON is in maintenance only, flatted is its successor.

Answer 1

extract-text-webpack-plugin@3.0.2 这个插件被弃用了，要提取 css，用 mini-css-extract-plugin 插件代替。

这是由于 extract-text-webpack-plugin@3.0.2 版本只支持 webpack3 导致的。