Skip to content

feat: back to top button on articles #153

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
dottmp merged 2 commits into from
Apr 21, 2026
Merged

feat: back to top button on articles #153

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
1a348aa
add icon
dottmp Apr 21, 2026
4fa3aad
add scroll to top button
dottmp Apr 21, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/lib/components/icons/icons.svelte
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
<script module lang="ts">
import ArrowLeft from '@lucide/svelte/icons/arrow-left';
import ArrowUp from '@lucide/svelte/icons/arrow-up';
import Box from '@lucide/svelte/icons/box';
import ChevronDown from '@lucide/svelte/icons/chevron-down';
import ChevronRight from '@lucide/svelte/icons/chevron-right';
Expand Down Expand Up @@ -34,6 +35,7 @@

export const Icons = {
arrowLeft: ArrowLeft,
arrowUp: ArrowUp,
chevronRight: ChevronRight,
chevronDown: ChevronDown,
external: ExternalLink,
Expand Down
28 changes: 28 additions & 0 deletions src/lib/features/feed/components/article.svelte
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,13 +9,31 @@
import { formatDate } from '$lib/utils/date.js';
import { isSafeUrl, sanitizeHtml } from '$lib/utils/sanitize';

const SCROLL_THRESHOLD = 500;

type ArticleProps = {
article: Article;
};

let { article }: ArticleProps = $props();

let showBackToTop = $state(hasScrolled());

function hasScrolled() {
return window.scrollY > SCROLL_THRESHOLD;
}

function handleScroll() {
showBackToTop = hasScrolled();
}

function scrollToTop() {
window.scrollTo({ top: 0, behavior: 'smooth' });
}
</script>

<svelte:window on:scroll={handleScroll} />

<article class="mx-auto max-w-3xl space-y-8 px-4 py-8">
<a href={resolve('/')} class="btn mb-8">
<Icons.arrowLeft class="mr-1" />
Expand Down Expand Up @@ -65,4 +83,14 @@
<Text>Original article link is unavailable.</Text>
{/if}
</div>

{#if showBackToTop}
<button
class="btn fixed right-2 bottom-2 z-50 btn-square shadow-lg btn-xl btn-primary sm:right-6 sm:bottom-6"
onclick={scrollToTop}
aria-label="Back to top"
>
<Icons.arrowUp />
</button>
{/if}
</article>
Loading