fix: Don't break in attributeChangedCallback if $$component does …

…not exist yet (#8701) Since the custom element class waits one tick before instantiating the `$$component` field, it's possibly undefined when `attributeChangedCallback` is called.
sveltejs · Jun 14, 2023 · 4f10637 · 4f10637
1 parent f580e2e
commit 4f10637
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/svelte/src/runtime/internal/Component.js b/packages/svelte/src/runtime/internal/Component.js
@@ -287,7 +287,7 @@ if (typeof HTMLElement === 'function') {
 				this.$$props_definition,
 				'toProp'
 			);
-			this.$$component.$set({ [attr]: this.$$data[attr] });
+			this.$$component?.$set({ [attr]: this.$$data[attr] });
 		}
 
 		disconnectedCallback() {