From 48452231d5fcd14ef218928bde9ae7e5bc745f4a Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Wed, 20 Sep 2023 23:09:18 +0000
Subject: [PATCH] perf: memoize filetree computation (#490)

---
 quartz/plugins/transformers/ofm.ts |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 8306f40..4d55eda 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -400,6 +400,10 @@
           return (tree: Root, file) => {
             const base = pathToRoot(file.data.slug!)
             findAndReplace(tree, tagRegex, (_value: string, tag: string) => {
+              // Check if the tag only includes numbers
+              if (/^\d+$/.test(tag)) {
+                return false
+              }
               tag = slugTag(tag)
               if (file.data.frontmatter && !file.data.frontmatter.tags.includes(tag)) {
                 file.data.frontmatter.tags.push(tag)

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