Transform the layer extent when a user projection is set

rendering/cases/layer-vector-extent-geographic/main.js

@@ -0,0 +1,27 @@
+import Map from '../../../src/ol/Map.js';
+import View from '../../../src/ol/View.js';
+import GeoJSON from '../../../src/ol/format/GeoJSON.js';
+import VectorLayer from '../../../src/ol/layer/Vector.js';
+import VectorSource from '../../../src/ol/source/Vector.js';
+import {useGeographic} from '../../../src/ol/proj.js';
+
+useGeographic();
+
+new Map({
+  target: 'map',
+  view: new View({
+    center: [0, 0],
+    zoom: 1
+  }),
+  layers: [
+    new VectorLayer({
+      extent: [-50, -45, 50, 45],
+      source: new VectorSource({
+        url: '/data/countries.json',
+        format: new GeoJSON()
+      })
+    })
+  ]
+});
+
+render();