From 1ab3d87e37e3572baef37138707592fe6e808d2d Mon Sep 17 00:00:00 2001
From: Praful Bhawsar <prtsh32@gmail.com>
Date: Wed, 31 Jan 2024 13:49:39 -0500
Subject: [PATCH] Escape should only trigger Add Core inactivation once

---
 drawCanvas.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drawCanvas.js b/drawCanvas.js
index 960c4e3..14cbbe7 100644
--- a/drawCanvas.js
+++ b/drawCanvas.js
@@ -941,11 +941,11 @@ function drawCoresOnCanvasForTravelingAlgorithm() {
       window.viewer.removeAllHandlers("canvas-drag-end")
     } else {
       document.addEventListener("keydown", (e) => {
-        e.preventDefault()
         if (e.key === 'Escape') {
+          e.preventDefault()
           addCoreHandler()
         }
-      })
+      }, {once: true})
       addCoreBtn.classList.add("active")
       window.viewer.canvas.style.cursor = "crosshair"