From f8f672f00f8edb6ee9cd60205e99b6a1a0c9f23c Mon Sep 17 00:00:00 2001
From: kurtjmeyoung <paty-siegel@web.de>
Date: Tue, 11 Feb 2020 16:34:06 +0100
Subject: [PATCH] Fix ReferenceError: "TouchEvent is not defined" in Firefox

In Firefox a ReferenceError: "TouchEvent is not defined" is thrown. This commit fixes it by simply inserting "window.TouchEvent && " into the if-check in line 206
---
 src/draggable.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/draggable.ts b/src/draggable.ts
index 9916a09..7e281dd 100644
--- a/src/draggable.ts
+++ b/src/draggable.ts
@@ -203,7 +203,7 @@ export const Draggable: DirectiveOptions = {
 					top: event.clientY
 				}
 			}
-			if (event instanceof TouchEvent) {
+			if (window.TouchEvent && event instanceof TouchEvent) {
 				const touch = event.changedTouches[event.changedTouches.length - 1];
 				return {
 					left: touch.clientX,
@@ -269,4 +269,4 @@ export const Draggable: DirectiveOptions = {
 			return JSON.parse(handler.getAttribute("draggable-state") as string) || {};
 		}
 	}
-};
\ No newline at end of file
+};