From 32b7a7df00c267d9bf3e38e51da1104a1995238f Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Fri, 8 Jul 2022 21:15:07 +0200
Subject: [PATCH] fix: Handle sanitizeUrl can receive non-string value closes
 #3746

---
 app/editor/components/LinkEditor.tsx | 2 +-
 shared/utils/urls.ts                 | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/editor/components/LinkEditor.tsx b/app/editor/components/LinkEditor.tsx
index 63711142e..02e497e60 100644
--- a/app/editor/components/LinkEditor.tsx
+++ b/app/editor/components/LinkEditor.tsx
@@ -113,7 +113,7 @@ class LinkEditor extends React.Component<Props, State> {
 
     this.discardInputValue = true;
     const { from, to } = this.props;
-    href = sanitizeHref(href);
+    href = sanitizeHref(href) ?? "";
 
     this.props.onSelectLink({ href, title, from, to });
   };
diff --git a/shared/utils/urls.ts b/shared/utils/urls.ts
index 2143b216c..640991116 100644
--- a/shared/utils/urls.ts
+++ b/shared/utils/urls.ts
@@ -77,7 +77,11 @@ export function isExternalUrl(url: string) {
  * @param href The href to sanitize
  * @returns The sanitized href
  */
-export function sanitizeHref(href: string) {
+export function sanitizeHref(href: string | null | undefined) {
+  if (!href) {
+    return undefined;
+  }
+
   if (
     !isUrl(href) &&
     !href.startsWith("/") &&