message: Use custom keys function
diff: @@ -13,7 +13,7 @@ interface SaveLoc {
  export function fetchRace (town: Town, saveLoc: SaveLoc) {
  console.log('Fetching race...')
  - const races = Object.keys(town.baseDemographics)
  + const races = keys(town.baseDemographics)
  // Calculate the sum of the raw demographic values.
  const sum = races
  @@ -28,7 +28,7 @@ export function fetchRace (town: Town, saveLoc: SaveLoc) {
  const args = town._demographicPercentile
  console.log(args)
  const pool = []
  - const namePool = Object.keys(args)
  + const namePool = keys(args)
  let totalWeight = 0
  for (const arg of keys(args)) {
  