Async Svelte: Using await Directly in Your Components

Every Svelte codebase eventually grows a little pile of scaffolding around asynchronous data. A let data = $state(null), an $effect that fetches and assigns, a loading flag, an error flag, and a {#if loading} in the template. Or the {#await} block, which is fine for one promise but nests badly the moment you need two. Either way, you end up...