<script>
	import { preloadData } from '$app/navigation';

	/** @type {Record<string, any> | null} */
	let data = null;

	async function onClick() {
		const result = await preloadData('/reroute/preload-data/a');
		if (result.type === 'loaded') {
			data = result.data;
		}
	}
</script>

<button on:click={onClick}>Preload</button>

{#if data}
	<pre>{JSON.stringify(data, null, 2)}</pre>
{/if}
