From: mtmail <mtmail@gmx.net>
Date: Wed, 14 Apr 2021 15:28:56 +0000 (+0200)
Subject: Cut down number of status fetch requests (#122)
X-Git-Url: https://git.openstreetmap.org./nominatim-ui.git/commitdiff_plain/82eae94284b6f0be5eeb1bc7e90350c4992994bf

Cut down number of status fetch requests (#122)
---

diff --git a/src/components/LastUpdated.svelte b/src/components/LastUpdated.svelte
index a51b4b6..a5b3277 100644
--- a/src/components/LastUpdated.svelte
+++ b/src/components/LastUpdated.svelte
@@ -6,11 +6,17 @@
 
   let last_updated_date;
   let last_api_request_url;
+  let fetch_running = false; // prevent multiple parallel fetch runs
 
   last_api_request_url_store.subscribe(url => {
+    if (fetch_running || last_updated_date) return;
+
+    fetch_running = true;
+
     last_api_request_url = url;
     fetch_from_api('status', { format: 'json' }, function (data) {
       last_updated_date = data.data_updated;
+      fetch_running = false;
     });
   });
 </script>