<p></p>
<p><b>@HolgerJeromin</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5522#discussion_r1925790520">app/assets/javascripts/embed.js.erb</a>:</p>
<pre style='color:#555'>> @@ -37,17 +36,17 @@ window.onload = function () {
   map.attributionControl.setPrefix('');
   map.removeControl(map.attributionControl);
 
-  if (args.layer === "cyclosm") {
-    new L.OSM.CyclOSM().addTo(map);
-  } else if (args.layer === "cyclemap" || args.layer === "cycle map") {
-    new L.OSM.CycleMap(thunderforestOptions).addTo(map);
-  } else if (args.layer === "transportmap") {
-    new L.OSM.TransportMap(thunderforestOptions).addTo(map);
-  } else if (args.layer === "hot") {
-    new L.OSM.HOT().addTo(map);
-  } else {
-    new L.OSM.Mapnik(mapnikOptions).addTo(map);
-  }
+  var isDarkTheme = args.theme === "dark" || args.theme !== "light" && window.matchMedia("(prefers-color-scheme: dark)").matches;
</pre>
<p dir="auto">Yes. Much easier.<br>
The code formatter <a href="https://prettier.io/playground/" rel="nofollow">prettier</a> returns this (with some line breaks):</p>
<div class="highlight highlight-source-js" dir="auto"><pre class="notranslate"><span class="pl-k">var</span> <span class="pl-s1">isDarkTheme</span> <span class="pl-c1">=</span> <span class="pl-s1">args</span><span class="pl-kos">.</span><span class="pl-c1">theme</span> <span class="pl-c1">===</span> <span class="pl-s">"dark"</span> <span class="pl-c1">||</span> <span class="pl-kos">(</span><span class="pl-s1">args</span><span class="pl-kos">.</span><span class="pl-c1">theme</span> <span class="pl-c1">!==</span> <span class="pl-s">"light"</span> <span class="pl-c1">&&</span> <span class="pl-smi">window</span><span class="pl-kos">.</span><span class="pl-en">matchMedia</span><span class="pl-kos">(</span><span class="pl-s">"(prefers-color-scheme: dark)"</span><span class="pl-kos">)</span><span class="pl-kos">.</span><span class="pl-c1">matches</span><span class="pl-kos">)</span><span class="pl-kos">;</span></pre></div>

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