From 7bf0984698e43b9aa2dd879f65951318ed410390 Mon Sep 17 00:00:00 2001
From: Maze <167211895+mazeincoding@users.noreply.github.com>
Date: Sat, 31 Jan 2026 00:20:04 +0100
Subject: codebase overhaul (#697)

---
 .../timeline/element/update-element-duration.ts    | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 apps/web/src/lib/commands/timeline/element/update-element-duration.ts

(limited to 'apps/web/src/lib/commands/timeline/element/update-element-duration.ts')

diff --git a/apps/web/src/lib/commands/timeline/element/update-element-duration.ts b/apps/web/src/lib/commands/timeline/element/update-element-duration.ts
new file mode 100644
index 00000000..6b3a860b
--- /dev/null
+++ b/apps/web/src/lib/commands/timeline/element/update-element-duration.ts
@@ -0,0 +1,37 @@
+import { Command } from "@/lib/commands/base-command";
+import type { TimelineTrack } from "@/types/timeline";
+import { EditorCore } from "@/core";
+
+export class UpdateElementDurationCommand extends Command {
+	private savedState: TimelineTrack[] | null = null;
+
+	constructor(
+		private trackId: string,
+		private elementId: string,
+		private duration: number,
+	) {
+		super();
+	}
+
+	execute(): void {
+		const editor = EditorCore.getInstance();
+		this.savedState = editor.timeline.getTracks();
+
+		const updatedTracks = this.savedState.map((t) => {
+			if (t.id !== this.trackId) return t;
+			const newElements = t.elements.map((el) =>
+				el.id === this.elementId ? { ...el, duration: this.duration } : el,
+			);
+			return { ...t, elements: newElements } as typeof t;
+		});
+
+		editor.timeline.updateTracks(updatedTracks);
+	}
+
+	undo(): void {
+		if (this.savedState) {
+			const editor = EditorCore.getInstance();
+			editor.timeline.updateTracks(this.savedState);
+		}
+	}
+}
-- 
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