From 589666cc2b65fc884d66fed78f34ac05cf7b33b8 Mon Sep 17 00:00:00 2001
From: Guillaume Beraudo <guillaume.beraudo@camptocamp.com>
Date: Thu, 16 Aug 2018 11:48:03 +0200
Subject: [PATCH] Accept null styles

When a style is null, OpenLayers does not render the associated feature.
---
 types/openlayers/index.d.ts | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/types/openlayers/index.d.ts b/types/openlayers/index.d.ts
index 37cac7e65d..70af9ba081 100644
--- a/types/openlayers/index.d.ts
+++ b/types/openlayers/index.d.ts
@@ -1715,7 +1715,7 @@ export class Feature extends Object {
      * representing the current style of this feature.
      * @api stable
      */
-    getStyleFunction(): (ol.FeatureStyleFunction);
+    getStyleFunction(): (ol.FeatureStyleFunction | undefined);
 
     /**
      * Set the default geometry for the feature.  This will update the property
@@ -6412,7 +6412,7 @@ export namespace layer {
          * @return Layer style function.
          * @api stable
          */
-        getStyleFunction(): (ol.StyleFunction);
+        getStyleFunction(): (ol.StyleFunction | undefined);
 
         /**
          * Set the style for features.  This can be a single style object, an array
@@ -6424,7 +6424,7 @@ export namespace layer {
          * @param style Layer style.
          * @api stable
          */
-        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.StyleFunction | null)): void;
+        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.StyleFunction | null | undefined)): void;
     }
 
     /**
@@ -8472,7 +8472,7 @@ export namespace source {
          * @return Layer style function.
          * @api stable
          */
-        getStyleFunction(): (ol.StyleFunction);
+        getStyleFunction(): (ol.StyleFunction | undefined);
 
         /**
          * Set the style for features.  This can be a single style object, an array
@@ -8484,7 +8484,7 @@ export namespace source {
          * @param style Layer style.
          * @api stable
          */
-        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.StyleFunction)): void;
+        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.StyleFunction | null | undefined)): void;
     }
 
     /**
@@ -10831,7 +10831,7 @@ export type FeatureLoader = (extent: ol.Extent, resolution: number, proj: ol.pro
  * {@link ol.Feature} to be styled.
  *
  */
-export type FeatureStyleFunction = (resolution: number) => (ol.style.Style | ol.style.Style[]);
+export type FeatureStyleFunction = (resolution: number) => (ol.style.Style | ol.style.Style[] | null);
 
 /**
  * {@link ol.source.Vector} sources use a function of this type to get the url
@@ -10981,7 +10981,7 @@ export interface StyleImageOptions {
  * or an array of them. This way e.g. a vector layer can be styled.
  *
  */
-export type StyleFunction = (feature: (ol.Feature | ol.render.Feature), resolution: number) => (ol.style.Style | ol.style.Style[]);
+export type StyleFunction = (feature: (ol.Feature | ol.render.Feature), resolution: number) => (ol.style.Style | ol.style.Style[] | null);
 
 /**
  * A function that takes an {@link ol.Feature} as argument and returns an