[cljsjs/fela-plugin-prefixer "4.3.2-0"] ;; latest release
After adding the above dependency to your project you can require the packaged library like so:
(ns application.core
(:require
cljsjs.fela
cljsjs.fela-plugin-prefixer))
(.createRenderer js/Fela #js{:plugins (apply array [(js/FelaPluginPrefixer)])})