From 028184920b6bc380fceaa1c73f4fd4698247f106 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Thu, 5 Jun 2025 16:15:39 +0200
Subject: JS: Don't redirect an empty `layers=` parameter to the default layer
 selection.

---
 main.js | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/main.js b/main.js
index d857899..e72b95e 100644
--- a/main.js
+++ b/main.js
@@ -131,14 +131,9 @@ let baseMapLayer = 'topowebb_nedtonad';
   if (!isNaN(z)) {
     view.setZoom(z);
   }
-  if (params.has('layers')) {
-    const layers = params.get('layers').split(' ');
-    if (layers.length > 0 && !layers.some((l) => l.includes('.'))) {
-      /* compat redirect/layer subst for old non-hierachical names */
-      params.delete('layers');
-    }
-  }
-  if (!params.has('layers')) {
+  if (!params.has('layers') || (!params.get('layers').match(/^\s*$/) &&
+        /* compat redirect/layer subst for old non-hierachical names */
+        !params.get('layers').split(' ').some((l) => l.includes('.')))) {
     params.set('layers', [
         'svk.ledningar',
         'svk.stolpar',
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