From 397489b8f03fb2a9225ce2799ca6f93fc0da5a16 Mon Sep 17 00:00:00 2001
From: Tan Li Hau <tanhauhau@users.noreply.github.com>
Date: Mon, 11 Jul 2022 09:19:44 +0800
Subject: [PATCH] add comment

---
 src/compiler/compile/utils/get_name_from_filename.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/compile/utils/get_name_from_filename.ts b/src/compiler/compile/utils/get_name_from_filename.ts
index 4dec0db59b..d846410388 100644
--- a/src/compiler/compile/utils/get_name_from_filename.ts
+++ b/src/compiler/compile/utils/get_name_from_filename.ts
@@ -15,6 +15,7 @@ export default function get_name_from_filename(filename: string) {
 		.replace(/%/g, 'u')
 		.replace(/\.[^.]+$/, '')
 		.replace(/[^a-zA-Z_$0-9]+/g, '_')
+		// remove leading and trailing '_'
 		.replace(/^_?(.+?)_?$/, '$1')
 		.replace(/^(\d)/, '_$1');