From b83613924c4061d9ebf72c515bc3c95a7730e3eb Mon Sep 17 00:00:00 2001
From: Bruno Windels <bruno@windels.cloud>
Date: Thu, 3 Jun 2021 09:25:56 +0200
Subject: [PATCH] don't assume there is at least 1 tile before loading at top

it can happen that all tiles are not renderable, and we should just
keep calling loadAtTop
---
 src/domain/session/room/timeline/TimelineViewModel.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/domain/session/room/timeline/TimelineViewModel.js b/src/domain/session/room/timeline/TimelineViewModel.js
index 63791fa3..d91b9acb 100644
--- a/src/domain/session/room/timeline/TimelineViewModel.js
+++ b/src/domain/session/room/timeline/TimelineViewModel.js
@@ -52,7 +52,7 @@ export class TimelineViewModel extends ViewModel {
             return true;
         }
         const firstTile = this._tiles.getFirst();
-        if (firstTile.shape === "gap") {
+        if (firstTile?.shape === "gap") {
             return await firstTile.fill();
         } else {
             const topReached = await this._timeline.loadAtTop(10);