message: Simplify simulated unfill
diff: @@ -344,17 +344,17 @@ module.exports = React.createClass({
  // pagination.
  //
  // If backwards is true, we unpaginate (remove) tiles from the back (top).
  - let i = backwards ? 0 : tiles.length - 1;
  - while (
  - (backwards ? i < tiles.length : i > 0) && excessHeight > tiles[i].clientHeight
  - ) {
  + for (let i = 0; i < tiles.length; i++) {
  + const tile = tiles[backwards ? tiles.length - 1 - i : i];
  // Subtract height of tile as if it were unpaginated
  - excessHeight -= tiles[i].clientHeight;
  + excessHeight -= tile.clientHeight;
  // The tile may not have a scroll token, so guard it
  - if (tiles[i].dataset.scrollToken) {
  - markerScrollToken = tiles[i].dataset.scrollToken;
  + if (tile.dataset.scrollToken) {
  + markerScrollToken = tile.dataset.scrollToken;
  + }
  + if (tile.clientHeight > excessHeight) {
  + break;
  }
  - i += backwards ? 1 : -1;
  }
  if (markerScrollToken) {
  