From 327c447b9a390318b42839dd14a3bc1ee706bcb5 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Fri, 10 Jul 2026 15:03:00 +0900
Subject: [PATCH] Delete animation.ts

---
 packages/frontend/src/utility/animation.ts | 39 ----------------------
 1 file changed, 39 deletions(-)
 delete mode 100644 packages/frontend/src/utility/animation.ts

diff --git a/packages/frontend/src/utility/animation.ts b/packages/frontend/src/utility/animation.ts
deleted file mode 100644
index 28984ffdd1..0000000000
--- a/packages/frontend/src/utility/animation.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export const easing_easeInOutQuad = (t: number) => t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
-
-export function beginAnimation<const T extends Record<string, number>>(options: {
-	from: T;
-	to: T;
-	duration: number;
-	easing?: (t: number) => number;
-	apply: (state: T) => void;
-	onEnd?: () => void;
-}) {
-	const easing = options.easing ?? ((t: number) => t);
-
-	const startTime = performance.now();
-
-	function animate(now: number) {
-		const elapsed = now - startTime;
-		const t = easing(Math.min(elapsed / options.duration, 1));
-
-		const state = {} as T;
-		for (const _key in options.from) {
-			const key = _key as keyof T;
-			state[key] = options.from[key] + (options.to[key] - options.from[key]) * t;
-		}
-		options.apply(state);
-
-		if (t < 1) {
-			window.requestAnimationFrame(animate);
-		} else {
-			options.onEnd?.();
-		}
-	}
-
-	window.requestAnimationFrame(animate);
-}