Add option to ensure cross-origin isolation headers on web export

1 files changed, 13 insertions, 3 deletions

diff --git a/platform/web/js/engine/engine.js b/platform/web/js/engine/engine.js
index 3d6720a2fc..7e24ad9ae2 100644
--- a/platform/web/js/engine/engine.js
+++ b/platform/web/js/engine/engine.js
@@ -179,9 +179,7 @@ const Engine = (function () {
 							preloader.preloadedFiles.length = 0; // Clear memory
 							me.rtenv['callMain'](me.config.args);
 							initPromise = null;
-							if (me.config.serviceWorker && 'serviceWorker' in navigator) {
-								navigator.serviceWorker.register(me.config.serviceWorker);
-							}
+							me.installServiceWorker();
 							resolve();
 						});
 					});
@@ -242,6 +240,17 @@ const Engine = (function () {
 					this.rtenv['request_quit']();
 				}
 			},
+
+			/**
+			 * Install the progressive-web app service worker.
+			 * @returns {Promise} The service worker registration promise.
+			 */
+			installServiceWorker: function () {
+				if (this.config.serviceWorker && 'serviceWorker' in navigator) {
+					return navigator.serviceWorker.register(this.config.serviceWorker);
+				}
+				return Promise.resolve();
+			},
 		};
 
 		Engine.prototype = proto;
@@ -252,6 +261,7 @@ const Engine = (function () {
 		Engine.prototype['startGame'] = Engine.prototype.startGame;
 		Engine.prototype['copyToFS'] = Engine.prototype.copyToFS;
 		Engine.prototype['requestQuit'] = Engine.prototype.requestQuit;
+		Engine.prototype['installServiceWorker'] = Engine.prototype.installServiceWorker;
 		// Also expose static methods as instance methods
 		Engine.prototype['load'] = Engine.load;
 		Engine.prototype['unload'] = Engine.unload;