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<script lang="ts">
interface Item {
name: string;
url: string;
onClick?: () => void;
preventDefault?: boolean;
}
export let items: Item[] = [];
export let title: string | undefined = undefined;
export let header = true;
export let center = false;
let open = false;
const handleClickOutside = (event: any) => {
if (!event.target.closest('.dropdown')) open = false;
};
</script>
<svelte:window on:click={handleClickOutside} />
<div
class="dropdown"
id="dropdown"
style={`--dropdown-left: ${center ? '50%' : 'unset'}; --dropdown-transform: ${
center ? 'translateX(-50%)' : 'unset'
};`}
>
<span
class={`${header ? 'header-item' : ''} dropdown-toggle`}
id="dropdown-toggle"
on:click|preventDefault={() => (open = !open)}
on:keydown={() => {}}
role="button"
tabindex="0"
>
{#if title}
{title}
{:else}
<slot name="title" />
{/if}
</span>
<div class={`dropdown-content card card-small ${open ? 'dropdown-open' : ''}`}>
{#each items as item}
<a
href={item.url}
class="header-item"
on:click={(e) => {
if (item.preventDefault) e.preventDefault();
if (item.onClick) item.onClick();
}}
>
{item.name}
</a>
{/each}
</div>
</div>
<style lang="scss">
a {
color: var(--base06);
}
.header-item {
margin: 0 0.5rem;
}
.header-item:hover {
text-decoration: none;
}
.header-item:active {
outline: none;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: block;
position: absolute;
min-width: max-content;
padding: 0.5em 0;
opacity: 0;
transform: translateY(-20px);
visibility: hidden;
$delay: 0.25s;
transition: opacity $delay ease, transform $delay ease, visibility 0s linear $delay;
left: var(--dropdown-left);
transform: var(--dropdown-transform);
z-index: 1;
}
.dropdown-open {
opacity: 1;
transform: translateY(0);
visibility: visible;
transition-delay: 0s, 0s, 0s;
left: var(--dropdown-left);
transform: var(--dropdown-transform);
}
.dropdown:hover .dropdown-content {
opacity: 1;
transform: translateY(0);
visibility: visible;
transition-delay: 0s, 0s, 0s;
left: var(--dropdown-left);
transform: var(--dropdown-transform);
}
.dropdown-content a {
padding: 0.5em 0.75em;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {
border-radius: 8px;
backdrop-filter: blur(160px);
background-color: var(--base01);
}
</style>
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