1 files changed, 31 insertions, 0 deletions
diff --git a/apps/web/src/commands/base-command.ts b/apps/web/src/commands/base-command.ts
new file mode 100644
index 00000000..2ab9af09
--- /dev/null
+++ b/apps/web/src/commands/base-command.ts
@@ -0,0 +1,31 @@
+import type { EditorSelectionPatch } from "@/selection/editor-selection";
+import type { ElementRef } from "@/timeline/types";
+
+export interface CommandResult {
+	selection?: EditorSelectionPatch;
+}
+
+export function createElementSelectionResult(
+	selectedElements: ElementRef[],
+): CommandResult {
+	return {
+		selection: {
+			selectedElements,
+			selectedKeyframes: [],
+			keyframeSelectionAnchor: null,
+			selectedMaskPoints: null,
+		},
+	};
+}
+
+export abstract class Command {
+	abstract execute(): CommandResult | undefined;
+
+	undo(): void {
+		throw new Error("Undo not implemented for this command");
+	}
+
+	redo(): CommandResult | undefined {
+		return this.execute();
+	}
+}