<p></p>
<p><b>@tomhughes</b> requested changes on this pull request.</p>

<p dir="auto">I don't think leaflet-osm should be getting involved in automatic transforms - it should have the ability to select a dark tile version where there is one and any automatic transformations should only be in the osm.org code.</p><hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5396#discussion_r1882836643">vendor/assets/leaflet/leaflet.osm.js</a>:</p>
<pre style='color:#555'>>      options = L.Util.setOptions(this, options);
-    L.TileLayer.prototype.initialize.call(this, options.url);
+    url = isDarkMap ? options.darkUrl : options.lightUrl;
</pre>
<p dir="auto">There is no <code class="notranslate">lightUrl</code> anywhere?</p>

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