Simplify default export

src/ol/source/RasterOperationType.js

@@ -1,13 +1,12 @@
 /**
  * @module ol/source/RasterOperationType
  */
+
 /**
  * Raster operation type. Supported values are `'pixel'` and `'image'`.
  * @enum {string}
  */
-var _ol_source_RasterOperationType_ = {
+export default {
   PIXEL: 'pixel',
   IMAGE: 'image'
 };
-
-export default _ol_source_RasterOperationType_;

src/ol/source/TileEventType.js

@@ -1,10 +1,11 @@
 /**
  * @module ol/source/TileEventType
  */
+
 /**
  * @enum {string}
  */
-var _ol_source_TileEventType_ = {
+export default {
 
   /**
    * Triggered when a tile starts loading.
@@ -29,5 +30,3 @@ var _ol_source_TileEventType_ = {
   TILELOADERROR: 'tileloaderror'
 
 };
-
-export default _ol_source_TileEventType_;

src/ol/source/VectorEventType.js

@@ -1,10 +1,11 @@
 /**
  * @module ol/source/VectorEventType
  */
+
 /**
  * @enum {string}
  */
-var _ol_source_VectorEventType_ = {
+export default {
   /**
    * Triggered when a feature is added to the source.
    * @event ol.source.Vector.Event#addfeature
@@ -34,5 +35,3 @@ var _ol_source_VectorEventType_ = {
    */
   REMOVEFEATURE: 'removefeature'
 };
-
-export default _ol_source_VectorEventType_;

src/ol/source/WMSServerType.js

@@ -1,17 +1,16 @@
 /**
  * @module ol/source/WMSServerType
  */
+
 /**
  * Available server types: `'carmentaserver'`, `'geoserver'`, `'mapserver'`,
  *     `'qgis'`. These are servers that have vendor parameters beyond the WMS
  *     specification that OpenLayers can make use of.
  * @enum {string}
  */
-var _ol_source_WMSServerType_ = {
+export default {
   CARMENTA_SERVER: 'carmentaserver',
   GEOSERVER: 'geoserver',
   MAPSERVER: 'mapserver',
   QGIS: 'qgis'
 };
-
-export default _ol_source_WMSServerType_;