From 7dc49c841c629abdada000c7a6aeb28567addf00 Mon Sep 17 00:00:00 2001
From: Sam <sam@basx.dev>
Date: Thu, 21 Dec 2023 14:25:38 +0700
Subject: [PATCH] add: hyperscript support

---
 htmlgenerator/htmltags.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/htmlgenerator/htmltags.py b/htmlgenerator/htmltags.py
index 2276da1..9e7426d 100644
--- a/htmlgenerator/htmltags.py
+++ b/htmlgenerator/htmltags.py
@@ -738,9 +738,10 @@ def flatattrs(attributes: dict, context: dict) -> str:
         if value is None:
             continue
 
-        if key[0] == "_":
-            key = key[1:]
-        key = key.replace("_", "-")
+        if key != "_":
+            if key[0] == "_":
+                key = key[1:]
+            key = key.replace("_", "-")
         if isinstance(value, bool) and key != "value":
             if value is True:
                 attlist.append(f"{conditional_escape(key)}")