From 01fccb791a73bd3c79604ab6b1282ef2fb0bc3ad Mon Sep 17 00:00:00 2001
From: Nathan Regner <nathanregner@gmail.com>
Date: Sat, 13 Jul 2024 15:25:43 -0600
Subject: [PATCH] perf: fix hang when leaving G-Code Preview page

---
 src/store/gcodeviewer/mutations.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/store/gcodeviewer/mutations.ts b/src/store/gcodeviewer/mutations.ts
index 2639357a1..86e2d3682 100644
--- a/src/store/gcodeviewer/mutations.ts
+++ b/src/store/gcodeviewer/mutations.ts
@@ -1,7 +1,7 @@
 import { getDefaultState } from './index'
 import { MutationTree } from 'vuex'
 import { GcodeviewerState } from '@/store/gcodeviewer/types'
-import Vue from 'vue'
+import Vue, { markRaw } from 'vue'
 
 export const mutations: MutationTree<GcodeviewerState> = {
     reset(state) {
@@ -9,7 +9,7 @@ export const mutations: MutationTree<GcodeviewerState> = {
     },
 
     setViewerBackup(state, backup) {
-        Vue.set(state, 'viewerBackup', backup)
+        Vue.set(state, 'viewerBackup', markRaw(backup) /* viewer object is large and quite slow to proxy */)
     },
 
     setCanvasBackup(state, backup) {