From d1876f72fa2563373787e5ba600a4c87c4700bc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jens=20M=C3=B6nig?= <jens@moenig.org>
Date: Wed, 9 Oct 2024 14:25:06 +0200
Subject: [PATCH] reenabled pwa service worker because the Chrome v129 memory
 issue seems to have been fixed by Google

---
 HISTORY.md                 |  1 +
 snap.html                  | 24 +++++++++++-------------
 sw_deactivated.js => sw.js |  6 +-----
 3 files changed, 13 insertions(+), 18 deletions(-)
 rename sw_deactivated.js => sw.js (99%)

diff --git a/HISTORY.md b/HISTORY.md
index 0dc062453..31537a9bd 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,7 @@
 * **New Features:**
     * added extensions to access the "Thread safe scripts" setting
 * **Notable Changes:**
+    * reenabled pwa service worker because the Chrome v129 memory issue seems to have been fixed by Google
     * changed polling scheduler for streaming data from serial ports to be in lock step with Morphic
     * updated Microblocks library to improve event streaming fluency
 * **Notable Fixes:**
diff --git a/snap.html b/snap.html
index ffd18a1e9..df784056b 100755
--- a/snap.html
+++ b/snap.html
@@ -43,23 +43,21 @@
                 var FPS = 67,
                     lastTime = 0,
 
-                loop = (timestamp) => {
-                    requestAnimationFrame(loop);
-                    if (timestamp - lastTime < 1000 / FPS) {
-                        return;
-                    }
-                    world.doOneCycle();
-                    lastTime = Math.max(
-                        lastTime + 1000 / FPS,
-                        timestamp - 1000 / FPS
-                    );
-                };
+                    loop = (timestamp) => {
+                        requestAnimationFrame(loop);
+                        if (timestamp - lastTime < 1000 / FPS) {
+                            return;
+                        }
+                        world.doOneCycle();
+                        lastTime = Math.max(
+                            lastTime + 1000 / FPS,
+                            timestamp - 1000 / FPS
+                        );
+                    };
 
-/*
                 if ('serviceWorker' in navigator) {
                     navigator.serviceWorker.register('sw.js');
                 }
-*/
                 world = new WorldMorph(document.getElementById('world'));
                 new IDE_Morph().openIn(world);
                 requestAnimationFrame(loop);
diff --git a/sw_deactivated.js b/sw.js
similarity index 99%
rename from sw_deactivated.js
rename to sw.js
index 7e18b9ef9..b4635a82b 100644
--- a/sw_deactivated.js
+++ b/sw.js
@@ -1,8 +1,4 @@
-/*
-    the PWA service worker is currently not used because of a memory leak
-    issue introduced in Chrome v129
-*/
-var snapVersion = '10.0.11', // currently unused
+var snapVersion = '10.0.11',
     cacheName = `snap-pwa-${snapVersion}`,
     filesToCache = [
         'snap.html',