From 1a8a1e889ab313e88fb0bbe6483c001ac751e2d8 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Fri, 3 Apr 2026 03:13:49 +0200
Subject: refactor: update command execute methods to return CommandResult |
 undefined

---
 .../timeline/element/update-element-start-time.ts  | 139 +++++++++++----------
 1 file changed, 70 insertions(+), 69 deletions(-)

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

diff --git a/apps/web/src/lib/commands/timeline/element/update-element-start-time.ts b/apps/web/src/lib/commands/timeline/element/update-element-start-time.ts
index ff81cff2..6232d539 100644
--- a/apps/web/src/lib/commands/timeline/element/update-element-start-time.ts
+++ b/apps/web/src/lib/commands/timeline/element/update-element-start-time.ts
@@ -1,69 +1,70 @@
-import { Command } from "@/lib/commands/base-command";
-import type { TimelineTrack } from "@/lib/timeline";
-import { EditorCore } from "@/core";
-import { enforceMainTrackStart } from "@/lib/timeline/placement";
-
-export class UpdateElementStartTimeCommand extends Command {
-	private savedState: TimelineTrack[] | null = null;
-	private readonly elements: { trackId: string; elementId: string }[];
-	private readonly startTime: number;
-
-	constructor({
-		elements,
-		startTime,
-	}: {
-		elements: { trackId: string; elementId: string }[];
-		startTime: number;
-	}) {
-		super();
-		this.elements = elements;
-		this.startTime = startTime;
-	}
-
-	execute(): void {
-		const editor = EditorCore.getInstance();
-		this.savedState = editor.timeline.getTracks();
-
-		const currentTracks = this.savedState;
-		const updatedTracks = currentTracks.map((track) => {
-			const hasElementsToUpdate = this.elements.some(
-				(elementEntry) => elementEntry.trackId === track.id,
-			);
-
-			if (!hasElementsToUpdate) {
-				return track;
-			}
-
-			const newElements = track.elements.map((element) => {
-				const shouldUpdate = this.elements.some(
-					(elementEntry) =>
-						elementEntry.elementId === element.id &&
-						elementEntry.trackId === track.id,
-				);
-				if (!shouldUpdate) {
-					return element;
-				}
-
-				const baseStartTime = Math.max(0, this.startTime);
-				const adjustedStartTime = enforceMainTrackStart({
-					tracks: currentTracks,
-					targetTrackId: track.id,
-					requestedStartTime: baseStartTime,
-					excludeElementId: element.id,
-				});
-
-				return { ...element, startTime: adjustedStartTime };
-			});
-			return { ...track, elements: newElements } as typeof track;
-		});
-
-		editor.timeline.updateTracks(updatedTracks);
-	}
-
-	undo(): void {
-		if (this.savedState) {
-			const editor = EditorCore.getInstance();
-			editor.timeline.updateTracks(this.savedState);
-		}
-	}
-}
+import { Command, type CommandResult } from "@/lib/commands/base-command";
+import type { TimelineTrack } from "@/lib/timeline";
+import { EditorCore } from "@/core";
+import { enforceMainTrackStart } from "@/lib/timeline/placement";
+
+export class UpdateElementStartTimeCommand extends Command {
+	private savedState: TimelineTrack[] | null = null;
+	private readonly elements: { trackId: string; elementId: string }[];
+	private readonly startTime: number;
+
+	constructor({
+		elements,
+		startTime,
+	}: {
+		elements: { trackId: string; elementId: string }[];
+		startTime: number;
+	}) {
+		super();
+		this.elements = elements;
+		this.startTime = startTime;
+	}
+
+	execute(): CommandResult | undefined {
+		const editor = EditorCore.getInstance();
+		this.savedState = editor.timeline.getTracks();
+
+		const currentTracks = this.savedState;
+		const updatedTracks = currentTracks.map((track) => {
+			const hasElementsToUpdate = this.elements.some(
+				(elementEntry) => elementEntry.trackId === track.id,
+			);
+
+			if (!hasElementsToUpdate) {
+				return track;
+			}
+
+			const newElements = track.elements.map((element) => {
+				const shouldUpdate = this.elements.some(
+					(elementEntry) =>
+						elementEntry.elementId === element.id &&
+						elementEntry.trackId === track.id,
+				);
+				if (!shouldUpdate) {
+					return element;
+				}
+
+				const baseStartTime = Math.max(0, this.startTime);
+				const adjustedStartTime = enforceMainTrackStart({
+					tracks: currentTracks,
+					targetTrackId: track.id,
+					requestedStartTime: baseStartTime,
+					excludeElementId: element.id,
+				});
+
+				return { ...element, startTime: adjustedStartTime };
+			});
+			return { ...track, elements: newElements } as typeof track;
+		});
+
+		editor.timeline.updateTracks(updatedTracks);
+		return undefined;
+	}
+
+	undo(): void {
+		if (this.savedState) {
+			const editor = EditorCore.getInstance();
+			editor.timeline.updateTracks(this.savedState);
+		}
+	}
+}
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