message: Tidied up thanks to review comment.
diff: @@ -30,13 +30,7 @@ class ReviewDataCache {
  * @memberof ReviewDataCache
  */
  getRatingData(item) {
  - var matchingItem = this._getMatchingItem(item);
  -
  - if (!matchingItem) {
  - return null;
  - }
  -
  - return matchingItem;
  + return (this._getMatchingItem(item) || null);
  }
  _toAtMostOneDecimal(rating) {
  