// This is cleaner, but could run into recursion limits

// Note that this does not handle the removal of the original 50 seats assigned to each state.
// An update is in https://stackoverflow.com/a/70560879/1243641

const apportion = ( 
  total, 
  pops, 
  seats = Object.fromEntries (Object.entries(pops).map(([s, _]) => [s, 1])),
  state = nextSeat (seats, pops)
) => 
  total <= 0
    ? seats
    : apportion (total - 1, pops, {...seats, [state]: seats[state] + 1})