Pass only required params

lib/cartodb/controllers/named_maps.js

@@ -41,20 +41,20 @@ function NamedMapsController(prepareContext, namedMapProviderCache, tileBackend,
 module.exports = NamedMapsController;
 
 NamedMapsController.prototype.register = function(app) {
-    const tileOptions = {
-        namedMapProviderCache: this.namedMapProviderCache,
-        tileBackend: this.tileBackend,
-        label: 'NAMED_MAP_TILE'
-    };
-
     app.get(
         app.base_url_templated + '/:template_id/:layer/:z/:x/:y.(:format)',
         cors(),
         userMiddleware(),
         this.prepareContext,
-        getNamedMapProvider(tileOptions),
+        getNamedMapProvider({
+            namedMapProviderCache: this.namedMapProviderCache,
+            label: 'NAMED_MAP_TILE'
+        }),
         getAffectedTables(),
-        getTile(tileOptions),
+        getTile({
+            tileBackend: this.tileBackend,
+            label: 'NAMED_MAP_TILE'
+        }),
         setSurrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
         setCacheChannelHeader(),
         setLastModifiedHeader(),
@@ -64,25 +64,21 @@ NamedMapsController.prototype.register = function(app) {
         vectorError()
     );
 
-    const staticOptions = {
-        previewBackend: this.previewBackend,
-        namedMapProviderCache: this.namedMapProviderCache,
-        forcedFormat: 'png',
-        label: 'STATIC_VIZ_MAP'
-    };
-
     app.get(
         app.base_url_mapconfig + '/static/named/:template_id/:width/:height.:format',
         cors(),
         userMiddleware(),
         allowQueryParams(['layer', 'zoom', 'lon', 'lat', 'bbox']),
         this.prepareContext,
-        getNamedMapProvider(staticOptions),
+        getNamedMapProvider({ previewBackend: this.previewBackend, label: 'STATIC_VIZ_MAP', forcedFormat: 'png' }),
         getAffectedTables(),
-        getTemplate(staticOptions),
-        prepareLayerFilterFromPreviewLayers(staticOptions),
+        getTemplate({ label: 'STATIC_VIZ_MAP' }),
+        prepareLayerFilterFromPreviewLayers({
+            namedMapProviderCache: this.namedMapProviderCache,
+            label: 'STATIC_VIZ_MAP'
+        }),
         getStaticImageOptions({ tablesExtentApi: this.tablesExtentApi }),
-        getImage(staticOptions),
+        getImage({ previewBackend: this.previewBackend, label: 'STATIC_VIZ_MAP' }),
         incrementMapViews({ metadataBackend: this.metadataBackend }),
         setSurrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
         setCacheChannelHeader(),