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bound checks in date header loop and cleanup

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Co-authored-by: R Midhun Suresh <MidhunSureshR@users.noreply.github.com>
This commit is contained in:
Bruno Windels 2022-11-25 10:49:26 +01:00
parent 3f7c1577e0
commit d889c7deeb
1 changed files with 8 additions and 2 deletions
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10
src/domain/session/room/timeline/TilesCollection.js
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@ -154,8 +154,14 @@ export class TilesCollection extends BaseObservableList {
//console.log("_evaluateDateHeaderAtIdx", tileIdx);
// consider the two adjacent tiles where the previous sibling changed:
// the new tile and the next tile
for (let i = 0; i < 5; i += 1) {
const idx = Math.max(tileIdx + i - 2, 0);
for (let i = -2; i < 3; i += 1) {
const idx = tileIdx + i;
if (idx < 0) {
continue;
}
if (idx >= this._tiles.length) {
break;
}
const tile = this._tiles[idx];
const prevTile = idx > 0 ? this._tiles[idx - 1] : undefined;
const hasDateSeparator = prevTile?.shape === TileShape.DateHeader;