Define options

src/ol/geolocation.js

@@ -62,7 +62,7 @@ ol.Geolocation = function(opt_options) {
 
   goog.base(this);
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * The unprojected (EPSG:4326) device position.

src/ol/graticule.js

@@ -20,7 +20,7 @@ goog.require('ol.style.Stroke');
  */
 ol.Graticule = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @type {ol.Map}

src/ol/layer/layergroup.js

@@ -38,7 +38,7 @@ ol.layer.GroupProperty = {
  */
 ol.layer.Group = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
   var baseOptions = /** @type {olx.layer.GroupOptions} */
       (goog.object.clone(options));
   delete baseOptions.layers;

src/ol/source/imagewmssource.js

@@ -31,7 +31,7 @@ goog.require('ol.source.wms.ServerType');
  */
 ol.source.ImageWMS = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   goog.base(this, {
     attributions: options.attributions,

src/ol/source/mapquestsource.js

@@ -18,7 +18,7 @@ goog.require('ol.source.XYZ');
  */
 ol.source.MapQuest = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
   goog.asserts.assert(options.layer in ol.source.MapQuestConfig,
       'known layer configured');
 

src/ol/source/osmsource.js

@@ -16,7 +16,7 @@ goog.require('ol.source.XYZ');
  */
 ol.source.OSM = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   var attributions;
   if (goog.isDef(options.attributions)) {

src/ol/source/tilearcgisrestsource.js

@@ -32,7 +32,7 @@ goog.require('ol.tilecoord');
  */
 ol.source.TileArcGISRest = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   var params = goog.isDef(options.params) ? options.params : {};
 

src/ol/source/tilewmssource.js

@@ -33,7 +33,7 @@ goog.require('ol.tilecoord');
  */
 ol.source.TileWMS = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   var params = goog.isDef(options.params) ? options.params : {};
 

src/ol/source/vectorsource.js

@@ -75,7 +75,7 @@ ol.source.VectorEventType = {
  */
 ol.source.Vector = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   goog.base(this, {
     attributions: options.attributions,

src/ol/source/zoomifysource.js

@@ -33,7 +33,7 @@ ol.source.ZoomifyTierSizeCalculation = {
  */
 ol.source.Zoomify = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   var size = options.size;
   var tierSizeCalculation = goog.isDef(options.tierSizeCalculation) ?

src/ol/style/atlasmanager.js

@@ -40,7 +40,7 @@ ol.style.AtlasManagerInfo;
  */
 ol.style.AtlasManager = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * The size in pixels of the latest atlas image.

src/ol/style/circlestyle.js

@@ -26,7 +26,7 @@ goog.require('ol.style.Stroke');
  */
 ol.style.Circle = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/style/fillstyle.js

@@ -16,7 +16,7 @@ goog.require('ol.structs.IHasChecksum');
  */
 ol.style.Fill = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/style/iconstyle.js

@@ -49,7 +49,7 @@ ol.style.IconOrigin = {
  */
 ol.style.Icon = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/style/strokestyle.js

@@ -21,7 +21,7 @@ goog.require('ol.structs.IHasChecksum');
  */
 ol.style.Stroke = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/style/style.js

@@ -26,7 +26,7 @@ goog.require('ol.style.Stroke');
  */
 ol.style.Style = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/style/textstyle.js

@@ -15,7 +15,7 @@ goog.require('ol.style.Fill');
  */
 ol.style.Text = function(opt_options) {
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private

src/ol/view.js

@@ -100,7 +100,7 @@ ol.ViewHint = {
  */
 ol.View = function(opt_options) {
   goog.base(this);
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   /**
    * @private
@@ -456,7 +456,7 @@ ol.View.prototype.fit = function(geometry, size, opt_options) {
     geometry = ol.geom.Polygon.fromExtent(geometry);
   }
 
-  var options = goog.isDef(opt_options) ? opt_options : {};
+  var options = opt_options || {};
 
   var padding = goog.isDef(options.padding) ? options.padding : [0, 0, 0, 0];
   var constrainResolution = goog.isDef(options.constrainResolution) ?