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<script lang="ts">
import { onDestroy, onMount } from 'svelte';
export let max: number | undefined = undefined;
export let perMs = 1000;
export let start = '';
let dots = start;
let interval: ReturnType<typeof setInterval>;
onMount(() => {
interval = setInterval(() => {
dots += '.';
if (max && dots.length > max) dots = '';
}, perMs);
});
onDestroy(() => clearInterval(interval));
</script>
{dots}
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