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Add auto z-index to Modal instances #24

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Add auto z-index to Modal instances #24

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12 changes: 9 additions & 3 deletions src/lib/components/Modal.svelte
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
<script context="module">
let counter = 0;
</script>

<script lang="ts">
import { tick } from "svelte";

Expand All @@ -9,19 +13,21 @@
show = false;
tick().finally(cleanup);
}

$: count = show ? ++counter : -1;
</script>

<slot name="backdrop" {close}>
{#if closeOnClickOutside}
<div role="presentation" class="fixed inset-0 transition duration-1000" class:show class:pointer-events-none={!show} on:click={close} />
<div role="presentation" class="fixed inset-0 transition duration-1000" class:show style:z-index={count} class:pointer-events-none={!show} on:click={close} />
{:else}
<div class="pointer-events-none fixed inset-0 transition duration-1000" class:show />
<div class="pointer-events-none fixed inset-0 transition duration-1000" class:show style:z-index={count} />
{/if}
</slot>

{#if show}
<slot {close}>
<div class="pointer-events-none fixed inset-0 grid place-items-center [&>*]:pointer-events-auto">
<div class="pointer-events-none fixed inset-0 grid place-items-center [&>*]:pointer-events-auto" style:z-index={count}>
<slot name="content" {close} />
</div>
</slot>
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22 changes: 22 additions & 0 deletions src/routes/test/+page.svelte
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<script>
import Modal from "$lib/components/Modal.svelte";
import { onMount } from "svelte";

let show = false;

onMount(() => {
setTimeout(() => {
show = true;
}, 100);
});
</script>

<Modal {show}>
<div slot="content" class="h-30 w-70 bg-cyan" />
</Modal>

<Modal show>
<div slot="content" class="h-60 w-60 bg-red">
</Modal>

<div class="fixed bottom-20 self-center">the cyan square should be on top of the red one</div>
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