fillView action in oneref-flux-challenge

fillView.js

/*
 * fill view by generating more requests if necessary
 */
function fillView(st,updater) {
  const lastSith = st.lastKnownSith();
  if (st.needsApprentice(lastSith)) {
    requestSithInfo(true,lastSith.info.apprenticeId,updater);
  } else {
    const firstSith = st.firstKnownSith();
    if (st.needsMaster(firstSith)) {
       requestSithInfo(false,firstSith.info.masterId,updater);
     }    
  }
}