message: missing null check
diff: @@ -6,7 +6,7 @@ import './compare.scss';
  export function StatRangeFilter() {
  // Turns a stat and a list of ranges into a 0-100 scale
  return function(stat, statRanges) {
  - const statRange = statRanges[stat.statHash];
  + const statRange = stat ? statRanges[stat.statHash] : null;
  if (stat.qualityPercentage) {
  return stat.qualityPercentage.min;
  }
  