From 1326c15d43241e6aa4820eec84ebb14965f27722 Mon Sep 17 00:00:00 2001
From: Mariusz Wachowski <wachowski.mariusz@gmail.com>
Date: Tue, 5 May 2020 20:59:59 +0200
Subject: [PATCH] fix: crash on SSR with 'window is not defined'

---
 src/components/Overlay.svelte | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/components/Overlay.svelte b/src/components/Overlay.svelte
index 4e5c7fe..ce215c3 100644
--- a/src/components/Overlay.svelte
+++ b/src/components/Overlay.svelte
@@ -40,12 +40,14 @@
 	$: openedState = isOpen && hasParent && hasContent;
 
 	function addListeners() {
+		if (!window) return;
 		window.addEventListener('resize', updatePosition);
 		if (closeOnScroll) window.addEventListener('scroll', close);
 		else if (updateOnScroll) window.addEventListener('scroll', updatePosition);
 	}
 
 	function removeListeners() {
+		if (!window) return;
 		window.removeEventListener('resize', updatePosition);
 		window.removeEventListener('scroll', updatePosition);
 		window.removeEventListener('scroll', close);