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Svelte 5 error handling. Use for error boundaries, async await expressions, loading states, and form errors.
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| name | error-handling-patterns |
| description | Svelte 5 error handling. Use for error boundaries, async await expressions, loading states, and form errors. |
<svelte:boundary>
<ul>
{#each await get_contacts() as contact}
<li>{contact.name}</li>
{/each}
</ul>
{#snippet pending()}
<div class="loading">Loading...</div>
{/snippet}
{#snippet failed(error, reset)}
<div class="error">
<p>Error: {error.message}</p>
<button onclick={reset}>Retry</button>
</div>
{/snippet}
</svelte:boundary>
<svelte:boundary> to catch component
errorsreset function{#each await query()} directly in
markup.error property (e.g.,
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