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svelte/test/runtime/samples/set-in-onstate-dedupes-renders/Widget.html

14 lines
202 B

<script>
import { beforeUpdate } from 'svelte';
export let foo;
export let bar;
beforeUpdate(() => {
if (foo.x !== bar.x) {
throw new Error('mismatch');
}
});
</script>
<div>{foo.x}</div>