From 5a33b916670e5a8917ae0d51a0cff63a624ae405 Mon Sep 17 00:00:00 2001
From: Frazer Smith <frazer.dev@outlook.com>
Date: Sun, 29 Oct 2023 09:24:54 +0000
Subject: [PATCH] chore(index): add inline comment explaining regex cache

---
 src/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/index.js b/src/index.js
index 4360e56..904aa77 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,6 +9,7 @@ const errorMessages = {
 	3221225477: "Segmentation fault",
 };
 
+// Cache immutable regex as they are expensive to create and garbage collect
 const unrtfPathRegex = /(.+)unrtf/u;
 const unrtfVersionRegex = /^(\d{1,2}\.\d{1,2}\.\d{1,2})/u;
 const rtfMagicNumberRegex = /^\{\\rtf/u;