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<script lang="ts">
import { createEventDispatcher, onDestroy, onMount } from "svelte";
import { cubicOut } from "svelte/easing";
import { fade } from "svelte/transition";
import Portal from "./Portal.svelte";
import { browser } from "$app/environment";
export let width = "max-w-sm";
let backdropEl: HTMLDivElement;
let modalEl: HTMLDivElement;
const dispatch = createEventDispatcher<{ close: void }>();
function handleKeydown(event: KeyboardEvent) {
// close on ESC
if (event.key === "Escape") {
event.preventDefault();
dispatch("close");
}
}
function handleBackdropClick(event: MouseEvent) {
if (window?.getSelection()?.toString()) {
return;
}
if (event.target === backdropEl) {
dispatch("close");
}
}
onMount(() => {
document.getElementById("app")?.setAttribute("inert", "true");
modalEl.focus();
});
onDestroy(() => {
if (!browser) return;
// remove inert attribute if this is the last modal
if (document.querySelectorAll('[role="dialog"]:not(#app *)').length === 1) {
document.getElementById("app")?.removeAttribute("inert");
}
});
</script>
<Portal>
<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
<div
role="presentation"
tabindex="-1"
bind:this={backdropEl}
on:click|stopPropagation={handleBackdropClick}
transition:fade|global={{ easing: cubicOut, duration: 300 }}
class="fixed inset-0 z-40 flex items-center justify-center bg-black/80 p-8 backdrop-blur-sm dark:bg-black/50"
>
<div
role="dialog"
tabindex="-1"
bind:this={modalEl}
on:keydown={handleKeydown}
class="max-h-[90dvh] overflow-y-auto overflow-x-hidden rounded-2xl bg-white shadow-2xl outline-none sm:-mt-10 {width}"
>
<slot />
</div>
</div>
</Portal>
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