From 4aac17bae30acbd53b319054941d7180e236af4d Mon Sep 17 00:00:00 2001
From: "Dan.Manastireanu" <Dan.Manastireanu@isdc.eu>
Date: Thu, 26 Oct 2017 18:00:06 +0300
Subject: [PATCH] openlayers: make TileWMS projection optional. Closes #20994

---
 types/openlayers/index.d.ts          | 3 ++-
 types/openlayers/openlayers-tests.ts | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/types/openlayers/index.d.ts b/types/openlayers/index.d.ts
index 441214cce6..4c66e1d970 100644
--- a/types/openlayers/index.d.ts
+++ b/types/openlayers/index.d.ts
@@ -4,6 +4,7 @@
 //                 Bin Wang <https://github.com/wb14123>
 //                 Junyoung Clare Jang <https://github.com/ailrun>
 //                 Alexandre Melard <https://github.com/mylen>
+//                 Dan Manastireanu <https://github.com/danmana>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // Definitions partially generated using tsd-jsdoc (https://github.com/englercj/tsd-jsdoc)
 
@@ -13414,7 +13415,7 @@ declare module olx {
             hidpi?: boolean;
             logo?: (string | olx.LogoOptions);
             tileGrid?: ol.tilegrid.TileGrid;
-            projection: ol.ProjectionLike;
+            projection?: ol.ProjectionLike;
             reprojectionErrorThreshold?: number;
             serverType?: (ol.source.wms.ServerType | string);
             tileLoadFunction?: ol.TileLoadFunctionType;
diff --git a/types/openlayers/openlayers-tests.ts b/types/openlayers/openlayers-tests.ts
index 50281ff0fe..5db7d06064 100644
--- a/types/openlayers/openlayers-tests.ts
+++ b/types/openlayers/openlayers-tests.ts
@@ -558,6 +558,12 @@ let tileWMS: ol.source.TileWMS = new ol.source.TileWMS({
     url: stringValue
 });
 
+//test without projection
+tileWMS = new ol.source.TileWMS({
+    params: {},
+    serverType: stringValue,
+    url: stringValue
+});
 voidValue = tileWMS.updateParams(tileWMS.getParams());
 stringValue = tileWMS.getGetFeatureInfoUrl([0, 0], 1, "EPSG:4326", {});