From 83ed0286d65e3a80b4e1107ae8364c033b80d018 Mon Sep 17 00:00:00 2001
From: MathMan05 <mathmanrm@gmail.com>
Date: Sat, 7 Feb 2026 17:02:28 -0600
Subject: [PATCH] fix some perf issues

---
 src/webpage/infiniteScroller.ts | 15 ++++++++++++++-
 src/webpage/localuser.ts        |  1 +
 src/webpage/rights.ts           |  3 +++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/webpage/infiniteScroller.ts b/src/webpage/infiniteScroller.ts
index d52d761..162038d 100644
--- a/src/webpage/infiniteScroller.ts
+++ b/src/webpage/infiniteScroller.ts
@@ -152,7 +152,9 @@ class InfiniteScroller {
 			},
 			{root, threshold: 0.1},
 		);
-		root.addEventListener("scroll", () => {
+		let time = Date.now();
+		const handleScroll = async () => {
+			await new Promise((res) => requestAnimationFrame(res));
 			if (this.scrollBottom < 5) {
 				const scroll = this.scroller;
 				if (!scroll) return;
@@ -161,6 +163,17 @@ class InfiniteScroller {
 				if (this.backElm.get(last) || !this.backElm.has(last)) return;
 				this.reachesBottom();
 			}
+		};
+		let last = 0;
+		root.addEventListener("scroll", async () => {
+			const now = Date.now();
+			const thisid = ++last;
+			if (now - time < 500) {
+				await new Promise((res) => setTimeout(res, 500));
+				if (thisid !== last) return;
+			}
+			time = now;
+			handleScroll();
 		});
 	}
 
diff --git a/src/webpage/localuser.ts b/src/webpage/localuser.ts
index 595b752..3049ae8 100644
--- a/src/webpage/localuser.ts
+++ b/src/webpage/localuser.ts
@@ -681,6 +681,7 @@ class Localuser {
 	relationshipsUpdate = () => {};
 	rights: Rights;
 	updateRights(rights: string | number) {
+		if (this.rights.isSameAs(rights)) return;
 		this.rights.update(rights);
 		this.perminfo.user.rights = rights;
 	}
diff --git a/src/webpage/rights.ts b/src/webpage/rights.ts
index 86d3524..27bc22b 100644
--- a/src/webpage/rights.ts
+++ b/src/webpage/rights.ts
@@ -6,6 +6,9 @@ class Rights {
 	constructor(allow: string | number) {
 		this.update(allow);
 	}
+	isSameAs(allow: string | number) {
+		return this.allow === BigInt(allow);
+	}
 	update(allow: string | number) {
 		try {
 			this.allow = BigInt(allow);