Add ol.TileUrlFunction.createFromTemplates

src/ol/tileurlfunction.js

@@ -34,3 +34,12 @@ ol.TileUrlFunction.createFromTileUrlFunctions = function(tileUrlFunctions) {
     return tileUrlFunctions[index](tileCoord);
   };
 };
+
+
+/**
+ * @param {Array.<string>} templates Templates.
+ */
+ol.TileUrlFunction.createFromTemplates = function(templates) {
+  return ol.TileUrlFunction.createFromTileUrlFunctions(
+      goog.array.map(templates, ol.TileUrlFunction.createFromTemplate));
+};