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feat: Custom Collapsible component #3631

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merged 7 commits into from
Jul 6, 2024
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feat: Add custom Collapsible component for collapsible content
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ricky-davis committed Jul 4, 2024
commit d20601dc475034d51a7617ba9ceedb84fdbacabf
37 changes: 37 additions & 0 deletions src/lib/components/common/Collapsible.svelte
Original file line number Diff line number Diff line change
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<script lang="ts">
import { afterUpdate } from 'svelte';

export let open = false;


// Manage the max-height of the collapsible content for snappy transitions
let contentElement: HTMLElement;
let maxHeight = '0px'; // Initial max-height
// After any state update, adjust the max-height for the transition
afterUpdate(() => {
if (open) {
// Ensure the element is visible before measuring
maxHeight = `${contentElement.scrollHeight}px`;
} else {
maxHeight = '0px';
}
});

</script>

<style>
.collapsible-content {
overflow: hidden;
transition: max-height 0.3s ease-out;
max-height: 0;
}
</style>

<div>
<button on:click={() => open = !open}>
<slot name="head"></slot>
</button>
<div bind:this={contentElement} class="collapsible-content" style="max-height: {maxHeight};">
<slot name="content"></slot>
</div>
</div>