message: micro micro opt
diff: @@ -72,6 +72,8 @@ let _idTracker: { [id: string]: number } = {};
  // A map from instance id to the last time it was manually moved this session
  const _moveTouchTimestamps = new Map<string, number>();
  +const SourceToD2Season = D2SeasonToSource.sources;
  +
  const statWhiteList = [
  4284893193, // Rounds Per Minute
  2961396640, // Charge Time
  @@ -617,14 +619,6 @@ function isLegendaryOrBetter(item) {
  return item.tier === 'Legendary' || item.tier === 'Exotic';
  }
  -// Invert the Season to Source map
  -const SourceToD2Season: { [key: number]: number } = {};
  -for (const season in D2SeasonToSource.seasons) {
  - for (const source of D2SeasonToSource.seasons[season]) {
  - SourceToD2Season[Number(source)] = Number(season);
  - }
  -}
  -
  function getSeason(item: D2Item): number {
  if (item.classified) {
  return D2CalculatedSeason;
  