Add onFocusOnly option to interaction defaults

examples/interaction-options.js

@@ -0,0 +1,22 @@
+import Map from '../src/ol/Map.js';
+import View from '../src/ol/View.js';
+import {defaults as defaultInteractions} from '../src/ol/interaction.js';
+import TileLayer from '../src/ol/layer/Tile.js';
+import OSM from '../src/ol/source/OSM.js';
+
+
+const map = new Map({
+  interactions: defaultInteractions({
+    constrainResolution: true, onFocusOnly: true
+  }),
+  layers: [
+    new TileLayer({
+      source: new OSM()
+    })
+  ],
+  target: 'map',
+  view: new View({
+    center: [0, 0],
+    zoom: 2
+  })
+});