From 93aa2c546f2b312eaf55d387901f80a744133e2d Mon Sep 17 00:00:00 2001
From: Huyen Nguyen <25715018+huyenltnguyen@users.noreply.github.com>
Date: Wed, 3 May 2023 18:22:15 +0700
Subject: [PATCH] fix: prevent source duplication

---
 src/components/settings/sources.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/settings/sources.tsx b/src/components/settings/sources.tsx
index 2440a35..9742f6a 100644
--- a/src/components/settings/sources.tsx
+++ b/src/components/settings/sources.tsx
@@ -204,7 +204,9 @@ class SourcesTab extends React.Component<SourcesTabProps, SourcesTabState> {
 
     addSource = (event: React.FormEvent) => {
         event.preventDefault()
-        let trimmed = this.state.newUrl.trim()
+        
+        // Remove whitespace and trailing slash
+        const trimmed = this.state.newUrl.trim().replace(/\/$/, '')
         if (urlTest(trimmed)) this.props.addSource(trimmed)
     }