Use ol.object.assign() instead of goog.object.clone()

src/ol/layer/heatmaplayer.js

@@ -2,12 +2,12 @@ goog.provide('ol.layer.Heatmap');
 
 goog.require('goog.asserts');
 goog.require('ol.events');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.dom');
 goog.require('ol.layer.Vector');
 goog.require('ol.math');
+goog.require('ol.object');
 goog.require('ol.render.EventType');
 goog.require('ol.style.Icon');
 goog.require('ol.style.Style');
@@ -39,7 +39,7 @@ ol.layer.HeatmapLayerProperty = {
 ol.layer.Heatmap = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.gradient;
   delete baseOptions.radius;

src/ol/layer/layer.js

@@ -2,11 +2,11 @@ goog.provide('ol.layer.Layer');
 
 goog.require('ol.events');
 goog.require('ol.events.EventType');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.layer.Base');
 goog.require('ol.layer.LayerProperty');
+goog.require('ol.object');
 goog.require('ol.render.EventType');
 goog.require('ol.source.State');
 
@@ -34,7 +34,7 @@ goog.require('ol.source.State');
  */
 ol.layer.Layer = function(options) {
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
   delete baseOptions.source;
 
   goog.base(this, /** @type {olx.layer.LayerOptions} */ (baseOptions));

src/ol/layer/layerbase.js

@@ -2,10 +2,10 @@ goog.provide('ol.layer.Base');
 goog.provide('ol.layer.LayerProperty');
 goog.provide('ol.layer.LayerState');
 
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.math');
+goog.require('ol.object');
 goog.require('ol.source.State');
 
 
@@ -57,7 +57,7 @@ ol.layer.Base = function(options) {
   /**
    * @type {Object.<string, *>}
    */
-  var properties = goog.object.clone(options);
+  var properties = ol.object.assign({}, options);
   properties[ol.layer.LayerProperty.OPACITY] =
       options.opacity !== undefined ? options.opacity : 1;
   properties[ol.layer.LayerProperty.VISIBLE] =

src/ol/layer/layergroup.js

@@ -1,9 +1,9 @@
 goog.provide('ol.layer.Group');
 
 goog.require('goog.asserts');
+goog.require('goog.object');
 goog.require('ol.events');
 goog.require('ol.events.EventType');
-goog.require('goog.object');
 goog.require('ol.Collection');
 goog.require('ol.CollectionEvent');
 goog.require('ol.CollectionEventType');
@@ -11,6 +11,7 @@ goog.require('ol.Object');
 goog.require('ol.ObjectEventType');
 goog.require('ol.extent');
 goog.require('ol.layer.Base');
+goog.require('ol.object');
 goog.require('ol.source.State');
 
 
@@ -37,7 +38,7 @@ ol.layer.Group = function(opt_options) {
 
   var options = opt_options || {};
   var baseOptions = /** @type {olx.layer.GroupOptions} */
-      (goog.object.clone(options));
+      (ol.object.assign({}, options));
   delete baseOptions.layers;
 
   var layers = options.layers;

src/ol/layer/tilelayer.js

@@ -1,8 +1,8 @@
 goog.provide('ol.layer.Tile');
 
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.layer.Layer');
+goog.require('ol.object');
 
 
 /**
@@ -31,7 +31,7 @@ ol.layer.TileProperty = {
 ol.layer.Tile = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.preload;
   delete baseOptions.useInterimTilesOnError;

src/ol/layer/vectorlayer.js

@@ -1,9 +1,9 @@
 goog.provide('ol.layer.Vector');
 
 goog.require('goog.asserts');
-goog.require('goog.object');
 goog.require('ol');
 goog.require('ol.layer.Layer');
+goog.require('ol.object');
 goog.require('ol.style.Style');
 
 
@@ -38,7 +38,7 @@ ol.layer.Vector = function(opt_options) {
       goog.isFunction(options.renderOrder),
       'renderOrder must be a comparator function');
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.style;
   delete baseOptions.renderBuffer;

src/ol/layer/vectortilelayer.js

@@ -1,7 +1,7 @@
 goog.provide('ol.layer.VectorTile');
 
-goog.require('goog.object');
 goog.require('ol.layer.Vector');
+goog.require('ol.object');
 
 
 /**
@@ -28,7 +28,7 @@ ol.layer.VectorTileProperty = {
 ol.layer.VectorTile = function(opt_options) {
   var options = opt_options ? opt_options : {};
 
-  var baseOptions = goog.object.clone(options);
+  var baseOptions = ol.object.assign({}, options);
 
   delete baseOptions.preload;
   delete baseOptions.useInterimTilesOnError;