Flarum\Frontend\Compiler  

AssetsRevision

Produces a single token representing the current state of all compiled asset revisions, so a long-lived client can detect when the assets it booted with have been superseded (e.g. after a rebuild or extension toggle).

FileVersioner

JsCompiler

JsDirectoryCompiler

Used to copy JS files from a package directory to the assets' directory.

LessCompiler

RevisionCompiler

CompilerInterface

VersionerInterface