From 7f810ece217f7328f8dbde2d8cd69adcaaa548ac Mon Sep 17 00:00:00 2001
From: Elijah Ahianyo <elijahahianyo@gmail.com>
Date: Mon, 20 Nov 2023 19:33:48 +0000
Subject: [PATCH] To camel case fix (#2205)

---
 reflex/utils/format.py     | 6 ++++--
 tests/utils/test_format.py | 5 +++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/reflex/utils/format.py b/reflex/utils/format.py
index 8b7eaaf6b..03ee5c9c7 100644
--- a/reflex/utils/format.py
+++ b/reflex/utils/format.py
@@ -137,9 +137,11 @@ def to_camel_case(text: str) -> str:
     Returns:
         The camel case string.
     """
-    words = re.split("[_-]", text)
+    words = re.split("[_-]", text.lstrip("-_"))
+    leading_underscores_or_hyphens = "".join(re.findall(r"^[_-]+", text))
     # Capitalize the first letter of each word except the first one
-    return words[0] + "".join(x.capitalize() for x in words[1:])
+    converted_word = words[0] + "".join(x.capitalize() for x in words[1:])
+    return leading_underscores_or_hyphens + converted_word
 
 
 def to_title_case(text: str) -> str:
diff --git a/tests/utils/test_format.py b/tests/utils/test_format.py
index 00a14c89b..c83fd8c79 100644
--- a/tests/utils/test_format.py
+++ b/tests/utils/test_format.py
@@ -142,6 +142,11 @@ def test_to_snake_case(input: str, output: str):
         ("kebab-case", "kebabCase"),
         ("kebab-case-two", "kebabCaseTwo"),
         ("snake_kebab-case", "snakeKebabCase"),
+        ("_hover", "_hover"),
+        ("-starts-with-hyphen", "-startsWithHyphen"),
+        ("--starts-with-double-hyphen", "--startsWithDoubleHyphen"),
+        ("_starts_with_underscore", "_startsWithUnderscore"),
+        ("__starts_with_double_underscore", "__startsWithDoubleUnderscore"),
     ],
 )
 def test_to_camel_case(input: str, output: str):