check if the tile exists before accessing

carbonplan · Feb 14, 2024 · 757f8b1 · 757f8b1
1 parent 6e624d2
commit 757f8b1
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/tiles.js b/src/tiles.js
@@ -403,10 +403,9 @@ export const createTiles = (regl, opts) => {
             tileIndex[0],
             tileIndex[1]
           )
-
-          if (!this.tiles[key].hasLoadedChunks(chunks)) {
+          if (!this.tiles[key]?.hasLoadedChunks(chunks)) {
             const loadingID = this.setLoading('chunk')
-            await this.tiles[key].loadChunks(chunks)
+            await this.tiles[key]?.loadChunks(chunks)
             this.clearLoading(loadingID)
           }
         })