Merge remote-tracking branch 'upstream/pull/5507'

app/assets/javascripts/leaflet.map.js

@@ -32,6 +32,8 @@ L.OSM.Map = L.Map.extend({
           layerOptions.apikey = OSM[value];
         } else if (property === "leafletOsmId") {
           layerConstructor = L.OSM[value];
+        } else if (property === "leafletOsmDarkId" && OSM.isDarkMap() && L.OSM[value]) {
+          layerConstructor = L.OSM[value];
         } else {
           layerOptions[property] = value;
         }
@@ -386,6 +388,14 @@ L.extend(L.Icon.Default.prototype, {
   }
 });
 
+OSM.isDarkMap = function () {
+  var mapTheme = $("body").attr("data-map-theme");
+  if (mapTheme) return mapTheme === "dark";
+  var siteTheme = $("html").attr("data-bs-theme");
+  if (siteTheme) return siteTheme === "dark";
+  return window.matchMedia("(prefers-color-scheme: dark)").matches;
+};
+
 OSM.getUserIcon = function (url) {
   return L.icon({
     iconUrl: url || OSM.MARKER_RED,

app/assets/stylesheets/common.scss

@@ -9,7 +9,7 @@
 
 body {
   font-size: $typeheight;
-  --dark-mode-map-filter: brightness(.8);
+  --dark-mode-map-filter: none;
 }
 
 time[title] {

config/layers.yml

@@ -39,6 +39,7 @@
         href: "https://www.thunderforest.com/"
 
 - leafletOsmId: "TransportMap"
+  leafletOsmDarkId: "TransportDarkMap"
   code: "T"
   layerId: "transportmap"
   nameId: "transport_map"