Add an image vector layer for rendering vectors to an image

examples/image-vector-layer.js

@@ -1,6 +1,7 @@
 import Map from '../src/ol/Map.js';
 import View from '../src/ol/View.js';
 import GeoJSON from '../src/ol/format/GeoJSON.js';
+import VectorImageLayer from '../src/ol/layer/VectorImage.js';
 import VectorLayer from '../src/ol/layer/Vector.js';
 import VectorSource from '../src/ol/source/Vector.js';
 import {Fill, Stroke, Style, Text} from '../src/ol/style.js';
@@ -19,8 +20,7 @@ const style = new Style({
 
 const map = new Map({
   layers: [
-    new VectorLayer({
-      renderMode: 'image',
+    new VectorImageLayer({
       source: new VectorSource({
         url: 'data/geojson/countries.geojson',
         format: new GeoJSON()