import { highlightAllUnder } from "https://deno.land/x/frugal@0.5.0/docs/dep/prism.ts";
Fetches all the descendants of container that have a .language-xxxx class and then calls
Prism.highlightElement on each one of them.
The following hooks will be run:
before-highlightall- All hooks of Prism.highlightElement for each element.
Parameters
The root element, whose descendants that have a .language-xxxx class will be highlighted.
optional
callback: HighlightCallback