From 9880f14f5434c14826813fc1a04ec18840396d8b Mon Sep 17 00:00:00 2001
From: Ivan Akulov <mail@iamakulov.com>
Date: Mon, 10 Jun 2024 21:26:59 +0200
Subject: [PATCH] `preventDefault()` on Cmd+Z/Cmd+Shift+Z/Cmd+Y

This commit calls `preventDefault()` for a few keyboard shortcuts. Partially addresses https://github.com/lewish/asciiflow/issues/189
---
 client/controller.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client/controller.ts b/client/controller.ts
index 1fb0275..edb6837 100644
--- a/client/controller.ts
+++ b/client/controller.ts
@@ -103,9 +103,13 @@ export class Controller {
         } else {
           store.currentCanvas.undo();
         }
+        // Disable browser-specific behavior on Cmd/Ctrl+Z: https://github.com/lewish/asciiflow/issues/189
+        event.preventDefault();
       }
       if (event.keyCode === 89) {
         store.currentCanvas.redo();
+        // Disable browser-specific behavior on Cmd/Ctrl+Y: https://github.com/lewish/asciiflow/issues/189
+        event.preventDefault();
       }
       if (event.keyCode === 88) {
         specialKeyCode = constants.KEY_CUT;