From 8bc11d40689e7844133af181579e1dbc30f35404 Mon Sep 17 00:00:00 2001
From: ftoromanoff <francois.toromanoff@ign.fr>
Date: Tue, 17 Oct 2023 15:15:56 +0200
Subject: [PATCH] Style.setFromVectorTileLayer & sprites -> warn message if
 sprites is needed

---
 src/Core/Style.js | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/Core/Style.js b/src/Core/Style.js
index 5200e8ee25..8fa0cbbc6d 100644
--- a/src/Core/Style.js
+++ b/src/Core/Style.js
@@ -692,7 +692,10 @@ class Style {
             const { color, opacity } = rgba2rgb(readVectorProperty(layer.paint['fill-color'] || layer.paint['fill-pattern'], { type: 'color' }));
             this.fill.color = color;
             this.fill.opacity = readVectorProperty(layer.paint['fill-opacity']) || opacity;
-            if (layer.paint['fill-pattern'] && sprites) {
+            if (layer.paint['fill-pattern']) {
+                if (!sprites) {
+                    console.warn("argument sprites must not be null when using layer.paint['fill-pattern']");
+                }
                 this.fill.pattern = {
                     id: layer.paint['fill-pattern'],
                     source: sprites.source,
@@ -760,13 +763,15 @@ class Style {
             }
 
             // additional icon
-            const icon = readVectorProperty(layer.layout['icon-image']);
-            if (icon) {
-                this.icon.id = icon;
-                this.icon.source = sprites?.source || icon;
-                if (sprites) {
-                    this.icon.cropValues = sprites[icon];
+            const iconImg = readVectorProperty(layer.layout['icon-image']);
+            if (iconImg) {
+                if (!sprites) {
+                    console.warn("argument sprites must not be null when using layer.layout['icon-image']");
                 }
+                this.icon.id = iconImg;
+                this.icon.source = sprites.source;
+                this.icon.cropValues = sprites[iconImg];
+
                 this.icon.size = readVectorProperty(layer.layout['icon-size']) || 1;
                 const { color, opacity } = rgba2rgb(readVectorProperty(layer.paint['icon-color'], { type: 'color' }));
                 this.icon.color = color;