From 91178a8e6fc300a79cb27a55cfdb935ee07060ba Mon Sep 17 00:00:00 2001
From: axjp <63340001+heapframe@users.noreply.github.com>
Date: Mon, 15 Jun 2026 09:05:24 +0100
Subject: [PATCH] Add integer check for alphabet size (#2458)

Co-authored-by: GCHQDeveloper581 <63102987+GCHQDeveloper581@users.noreply.github.com>
---
 src/core/operations/GenerateDeBruijnSequence.mjs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/core/operations/GenerateDeBruijnSequence.mjs b/src/core/operations/GenerateDeBruijnSequence.mjs
index f28d421f..1ac415da 100644
--- a/src/core/operations/GenerateDeBruijnSequence.mjs
+++ b/src/core/operations/GenerateDeBruijnSequence.mjs
@@ -50,6 +50,14 @@ class GenerateDeBruijnSequence extends Operation {
             throw new OperationError("Invalid alphabet size, required to be between 2 and 9 (inclusive).");
         }
 
+        if (!Number.isInteger(k)) {
+            throw new OperationError("Invalid alphabet size, required to be integer.");
+        }
+
+        if (!Number.isInteger(n)) {
+            throw new OperationError("Invalid key length, required to be integer.");
+        }
+
         if (n < 2) {
             throw new OperationError("Invalid key length, required to be at least 2.");
         }