import { Command, type CommandResult } from "@/commands/base-command"; import type { SceneTracks } from "@/timeline"; import { EditorCore } from "@/core"; export class TracksSnapshotCommand extends Command { constructor({ before, after, }: { before: SceneTracks; after: SceneTracks; }) { super(); this.before = before; this.after = after; } private before: SceneTracks; private after: SceneTracks; execute(): CommandResult | undefined { EditorCore.getInstance().timeline.updateTracks(this.after); return undefined; } undo(): void { EditorCore.getInstance().timeline.updateTracks(this.before); } }