fix

dummdidumm · dummdidumm · commit ffded128e918 · 2025-06-17T22:48:23.000+02:00
diff --git a/packages/svelte/src/internal/client/dom/elements/attributes.js b/packages/svelte/src/internal/client/dom/elements/attributes.js
@@ -495,12 +495,14 @@ export function attribute_effect(
 		}
 
 		for (let symbol of Object.getOwnPropertySymbols(next)) {
-			var n = (current[symbol] = next[symbol]);
+			var n = next[symbol];
 
 			if (symbol.description === ATTACHMENT_KEY && (!prev || n !== prev[symbol])) {
 				if (effects[symbol]) destroy_effect(effects[symbol]);
 				effects[symbol] = branch(() => attach(element, () => n));
 			}
+
+			current[symbol] = n;
 		}
 
 		prev = current;

Original file line number	Diff line number	Diff line change
`@@ -495,12 +495,14 @@ export function attribute_effect(`
`495`	`495`	`}`
`496`	`496`
`497`	`497`	`for (let symbol of Object.getOwnPropertySymbols(next)) {`
`498`		`- var n = (current[symbol] = next[symbol]);`
	`498`	`+ var n = next[symbol];`
`499`	`499`
`500`	`500`	`if (symbol.description === ATTACHMENT_KEY && (!prev \|\| n !== prev[symbol])) {`
`501`	`501`	`if (effects[symbol]) destroy_effect(effects[symbol]);`
`502`	`502`	`effects[symbol] = branch(() => attach(element, () => n));`
`503`	`503`	`}`
	`504`	`+`
	`505`	`+ current[symbol] = n;`
`504`	`506`	`}`
`505`	`507`
`506`	`508`	`prev = current;`