1 files changed, 8 insertions, 0 deletions
diff --git a/web/src/types.ts b/web/src/types.ts
index 008d1ee..9b7a51a 100644
--- a/web/src/types.ts
+++ b/web/src/types.ts
@@ -35,3 +35,11 @@ export interface CellRef {
   rowIndex: number;
   cellIndex: number;
 }
+
+export function cellRefEquals(a: CellRef, b: CellRef): boolean {
+  return (
+    a.partIndex === b.partIndex &&
+    a.rowIndex === b.rowIndex &&
+    a.cellIndex === b.cellIndex
+  );
+}