From b99eb7ebce21065b7ff59cdd3226d4fc173b3878 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Wed, 23 Aug 2023 19:11:24 +0000
Subject: [PATCH] docs: whitespace

---
 quartz/plugins/transformers/frontmatter.ts |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts
index 5b067f6..3f55b9c 100644
--- a/quartz/plugins/transformers/frontmatter.ts
+++ b/quartz/plugins/transformers/frontmatter.ts
@@ -41,7 +41,7 @@
             }
 
             // slug them all!!
-            data.tags = data.tags?.map((tag: string) => slugTag(tag)) ?? []
+            data.tags = [...new Set(data.tags?.map((tag: string) => slugTag(tag)))] ?? []
 
             // fill in frontmatter
             file.data.frontmatter = {

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