From f2bba14174145d1a050833c9c772fd61c2da226c Mon Sep 17 00:00:00 2001
From: vcoppe <vianney.coppe@gmail.com>
Date: Tue, 7 May 2024 12:37:21 +0200
Subject: [PATCH] update bounds whenever files are added

---
 website/src/lib/stores.ts | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/website/src/lib/stores.ts b/website/src/lib/stores.ts
index 1df67982..8fedf07a 100644
--- a/website/src/lib/stores.ts
+++ b/website/src/lib/stores.ts
@@ -45,6 +45,16 @@ function updateGPXData() {
 }
 
 fileObservers.subscribe((files) => { // Maintain up-to-date statistics
+    if (files.size > fileStatistics.size) { // Files are added
+        let bounds = new mapboxgl.LngLatBounds([180, 90, -180, -90]);
+        let mapBounds = new mapboxgl.LngLatBounds([180, 90, -180, -90]);
+        if (fileStatistics.size > 0) { // Some files are already loaded
+            mapBounds = get(map)?.getBounds() ?? mapBounds;
+            bounds.extend(mapBounds);
+        }
+        targetMapBounds.set(bounds);
+    }
+
     fileStatistics.forEach((stats, fileId) => {
         if (!files.has(fileId)) {
             fileStatistics.delete(fileId);
@@ -150,14 +160,6 @@ export async function loadFiles(list: FileList) {
         }
     }
 
-    let bounds = new mapboxgl.LngLatBounds([180, 90, -180, -90]);
-    let mapBounds = new mapboxgl.LngLatBounds([180, 90, -180, -90]);
-    if (get(fileObservers).size > 0) {
-        mapBounds = get(map)?.getBounds() ?? mapBounds;
-        bounds.extend(mapBounds);
-    }
-    targetMapBounds.set(bounds);
-
     dbUtils.addMultiple(files);
 
     selectFileWhenLoaded(files[0]._data.id);