Use options parameters with types and default on smoothScroll function

src/components/molecules/ShopLocationSwitcher.svelte

@@ -24,7 +24,7 @@
         const newPath = `/shop/poster-${value}`
         goto(newPath, { replaceState: true, noscroll: true, keepfocus: true })
         // Scroll to anchor
-        setTimeout(() => smoothScroll('poster'), 1000)
+        setTimeout(() => smoothScroll({ hash: 'poster' }), 1000)
     }
 </script>