From b419cd29f9391e52625f647b0d25a64ee62ef5a0 Mon Sep 17 00:00:00 2001
From: pythongosssss <125205205+pythongosssss@users.noreply.github.com>
Date: Mon, 16 Oct 2023 11:10:00 +0100
Subject: [PATCH] throw earlier to get less confusing error

---
 tests-ui/utils/ezgraph.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests-ui/utils/ezgraph.js b/tests-ui/utils/ezgraph.js
index 1124ca698..0e81fd47b 100644
--- a/tests-ui/utils/ezgraph.js
+++ b/tests-ui/utils/ezgraph.js
@@ -107,6 +107,8 @@ export class EzOutput extends EzSlot {
 	 * @param { EzInput } input
 	 */
 	connectTo(input) {
+		if (!input) throw new Error("Invalid input");
+
 		/**
 		 * @type { LG["LLink"] | null }
 		 */