How to find the hash of a webpack build?

Question

JavaScript

I started using HandlebarsPlugin and everything would be fine, except that js and css have hash in them filename: 'js/[hash].js'. And HandlebarsPlugin doesn't inject css/js into pages like WebpackHtmlPlugin does.

I wanted to write an insert into css / js pages myself, so the plugin has events in which you can process the content, but without a clue how to find out the hash of the assembly