let MekanismJEI = Java.loadClass('mekanism.client.jei.MekanismJEI'); JEIEvents.hideCustom((event) => { const slurries = [/mekanism:clean_/, /mekanism:dirty_/, /mekanismprocessing:clean_/, /mekanismprocessing:dirty_/]; slurries.forEach((hiddenSlurry) => { event.get(MekanismJEI.TYPE_SLURRY).hide(hiddenSlurry); }); });