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App.svelte
<script>
let value = $state();
let helperArr = [];
let derivedArr = $derived.by(() => {
if (value) {
helperArr.push(value);
return helperArr;
}
});
function random () {
value = Math.floor(1 + Math.random() * 10)
}
</script>

<button onclick={random}>Generate Random Value</button>
<p>value: {value}</p>
<p>derivedArr: {derivedArr}</p>
loading Svelte compiler...
/* Select a component to see its compiled code */
result = svelte.compile(source, {
generate: ,
});
/* Select a component to see its compiled code */