message: Reimplify condition
diff: @@ -7,7 +7,7 @@ setup.createClass = (town, npc) => {
  const dndClassTraits = lib.classTraits[npc.dndClass]
  const professionTraits = lib.professionTraits[npc.profession]
  - if (npc.hasClass !== false && typeof dndClassTraits !== 'undefined') {
  + if (npc.hasClass !== false && dndClassTraits) {
  background = Array.isArray(dndClassTraits.background)
  ? dndClassTraits.background.random()
  : professionTraits
  