Add `minimize-user-comments` feature (#2146)

Co-Authored-By: Federico Brigante <github@bfred.it>

1 files changed, 18 insertions, 0 deletions

diff --git a/source/libs/anchor-scroll.ts b/source/libs/anchor-scroll.ts
new file mode 100644
index 00000000..559864da
--- /dev/null
+++ b/source/libs/anchor-scroll.ts
@@ -0,0 +1,18 @@
+export default async function anchorScroll(
+	action: VoidFunction | AsyncVoidFunction,
+	anchor: Element = document.elementFromPoint(innerWidth / 2, innerHeight / 2)!
+): Promise<void> {
+	if (anchor) {
+		const originalPosition = anchor.getBoundingClientRect().top;
+
+		await action();
+
+		requestAnimationFrame(() => {
+			const newPositon = anchor.getBoundingClientRect().top;
+			window.scrollBy(0, newPositon - originalPosition);
+		});
+	} else {
+		// Anchor not found; proceed without anchoring
+		action();
+	}
+}