Refactor package.json and pnpm-lock.yaml to add rfdc dependency

package.json

@@ -72,6 +72,7 @@
     "png-chunk-text": "^1.0.0",
     "png-chunks-encode": "^1.0.0",
     "png-chunks-extract": "^1.0.0",
+    "rfdc": "^1.4.1",
     "rollup": "^3.29.4",
     "showdown": "^2.1.0",
     "sortablejs": "^1.15.2",

pnpm-lock.yaml

@@ -173,6 +173,9 @@ importers:
       png-chunks-extract:
         specifier: ^1.0.0
         version: 1.0.0
+      rfdc:
+        specifier: ^1.4.1
+        version: 1.4.1
       rollup:
         specifier: ^3.29.4
         version: 3.29.4
@@ -3083,6 +3086,9 @@ packages:
     resolution: {integrity: sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==}
     engines: {iojs: '>=1.0.0', node: '>=0.10.0'}
 
+  rfdc@1.4.1:
+    resolution: {integrity: sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==}
+
   rimraf@3.0.2:
     resolution: {integrity: sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==}
     hasBin: true
@@ -6710,6 +6716,8 @@ snapshots:
 
   reusify@1.0.4: {}
 
+  rfdc@1.4.1: {}
+
   rimraf@3.0.2:
     dependencies:
       glob: 7.2.3

src/ts/polyfill.ts

@@ -2,16 +2,20 @@ import { ReadableStream, WritableStream, TransformStream } from "web-streams-pol
 import { Buffer as BufferPolyfill } from 'buffer'
 import { polyfill as dragPolyfill} from "mobile-drag-drop"
 import {scrollBehaviourDragImageTranslateOverride} from 'mobile-drag-drop/scroll-behaviour'
-
+import rfdc from 'rfdc'
 /**
  * Safe variant of structuredClone for svelte 5 states
  * if structuredClone is not available, it will use JSON.parse(JSON.stringify(data)) instead
 */
+
+const rfdcClone = rfdc({
+  circles:false,
+})
 function safeStructuredClone<T>(data:T):T{
   try {
       return structuredClone(data)
   } catch (error) {
-      return JSON.parse(JSON.stringify(data))
+      return rfdcClone(data)
   }
 }