codebase overhaul (#697)

1 files changed, 40 insertions, 0 deletions

diff --git a/apps/web/src/lib/commands/timeline/track/toggle-track-visibility.ts b/apps/web/src/lib/commands/timeline/track/toggle-track-visibility.ts
new file mode 100644
index 00000000..e81714ac
--- /dev/null
+++ b/apps/web/src/lib/commands/timeline/track/toggle-track-visibility.ts
@@ -0,0 +1,40 @@
+import { Command } from "@/lib/commands/base-command";
+import type { TimelineTrack } from "@/types/timeline";
+import { EditorCore } from "@/core";
+import { canTrackBeHidden } from "@/lib/timeline";
+
+export class ToggleTrackVisibilityCommand extends Command {
+	private savedState: TimelineTrack[] | null = null;
+
+	constructor(private trackId: string) {
+		super();
+	}
+
+	execute(): void {
+		const editor = EditorCore.getInstance();
+		this.savedState = editor.timeline.getTracks();
+
+		const targetTrack = this.savedState.find(
+			(track) => track.id === this.trackId,
+		);
+		if (!targetTrack) {
+			return;
+		}
+
+		const updatedTracks = this.savedState.map((track) => {
+			if (track.id === this.trackId && canTrackBeHidden(track)) {
+				return { ...track, hidden: !track.hidden };
+			}
+			return track;
+		});
+
+		editor.timeline.updateTracks(updatedTracks);
+	}
+
+	undo(): void {
+		if (this.savedState) {
+			const editor = EditorCore.getInstance();
+			editor.timeline.updateTracks(this.savedState);
+		}
+	}
+}