question: when using webpack plug-in extract-text-webpack-plugin to separate multi-entry css styles, only one css file (main.css) is generated, and the rest of the entry styles are inserted into html"s header. Now what should I do if I want to insert the styles into header and extract them into vender.css?

my webpack.config.js configuration is as follows:

   

 how can I extract the insert into the page style? Thank you very much for the help of the great gods.