From b20916fba3b8d17ae2063cd88205a8b591306b5e Mon Sep 17 00:00:00 2001
From: ftoromanoff <francois.toromanoff@ign.fr>
Date: Wed, 8 Feb 2023 16:28:54 +0100
Subject: [PATCH] refactor(Style): instantiate canvas when no document

---
 src/Core/Style.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Core/Style.js b/src/Core/Style.js
index c158a8d9d0..12a2278864 100644
--- a/src/Core/Style.js
+++ b/src/Core/Style.js
@@ -8,7 +8,7 @@ import itowns_stroke_single_before from './StyleChunk/itowns_stroke_single_befor
 export const cacheStyle = new Cache();
 
 const inv255 = 1 / 255;
-const canvas = document.createElement('canvas');
+const canvas = (typeof document !== 'undefined') ? document.createElement('canvas') : {};
 const style_properties = {};
 
 function base_altitudeDefault(properties, coordinates = { z: 0 }) {
@@ -710,14 +710,17 @@ class Style {
 const CustomStyle = {
     itowns_stroke_single_before,
 };
-const customStyleSheet = document.createElement('style');
+
+const customStyleSheet = (typeof document !== 'undefined') ? document.createElement('style') : {};
 customStyleSheet.type = 'text/css';
 
 Object.keys(CustomStyle).forEach((key) => {
     customStyleSheet.innerHTML += `${CustomStyle[key]}\n\n`;
 });
 
-document.getElementsByTagName('head')[0].appendChild(customStyleSheet);
+if (typeof document !== 'undefined') {
+    document.getElementsByTagName('head')[0].appendChild(customStyleSheet);
+}
 
 const style = new Style();