usePrevious
Holds the previous value of a box or getter.
Demo
Previous: undefined
Usage
<script lang="ts">
import { usePrevious } from "runed";
let count = $state(0);
const previous = usePrevious(() => count);
</script>
<button onclick={() => count++}>Count: {count}</button>
<pre>Previous: {`${previous.value}`}</pre>