From 2626eba5f1218dc79064598e2f43a30116bd5742 Mon Sep 17 00:00:00 2001
From: "Patrick H. Lauke" <redux@splintered.co.uk>
Date: Sun, 9 Apr 2017 16:19:20 +0100
Subject: [PATCH] Prevent default for ESC in modal.js

ESC can be used to close modals, but on OS X/macOS this also jumps out
of full-screen mode. `preventDefault` suppresses this.
---
 js/src/modal.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/js/src/modal.js b/js/src/modal.js
index 779b9a402f..02d463945b 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -289,6 +289,7 @@ const Modal = (($) => {
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
           if (event.which === ESCAPE_KEYCODE) {
+            event.preventDefault()
             this.hide()
           }
         })