feat: clipboard with keyframe paste

Made-with: Cursor

1 files changed, 48 insertions, 0 deletions

diff --git a/apps/web/src/lib/clipboard/handlers/elements.ts b/apps/web/src/lib/clipboard/handlers/elements.ts
new file mode 100644
index 00000000..1b58ac78
--- /dev/null
+++ b/apps/web/src/lib/clipboard/handlers/elements.ts
@@ -0,0 +1,48 @@
+import { PasteCommand } from "@/lib/commands/timeline";
+import type { ClipboardHandler } from "../types";
+
+export const ElementsClipboardHandler = {
+	type: "elements",
+
+	canCopy({ selectedElements }) {
+		return selectedElements.length > 0;
+	},
+
+	copy({ editor, selectedElements }) {
+		if (selectedElements.length === 0) {
+			return null;
+		}
+
+		const results = editor.timeline.getElementsWithTracks({
+			elements: selectedElements,
+		});
+		const items = results.map(({ track, element }) => {
+			const { id: _elementId, ...elementWithoutId } = element;
+			return {
+				trackId: track.id,
+				trackType: track.type,
+				element: elementWithoutId,
+			};
+		});
+
+		if (items.length === 0) {
+			return null;
+		}
+
+		return {
+			type: "elements",
+			items,
+		};
+	},
+
+	paste(entry, context) {
+		if (entry.items.length === 0) {
+			return null;
+		}
+
+		return new PasteCommand({
+			time: context.time,
+			clipboardItems: entry.items,
+		});
+	},
+} satisfies ClipboardHandler<"elements">;