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Fix: pascal_case() formatter breaks PascalCase capitalization when adding prefix #69

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Merged
hit9 merged 1 commit into from
Aug 27, 2025
Merged

Fix: pascal_case() formatter breaks PascalCase capitalization when adding prefix #69

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13 changes: 8 additions & 5 deletions compiler/bitproto/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -343,16 +343,19 @@ def pascal_case(word: str) -> str:

>>> pascal_case("someWord")
"SomeWord"

>>> pascal_case("my_prefix_someWord")
"MyPrefixSomeWord"
"""
items: List[str] = []
parts = word.split("_")
contains_underscore = len(parts) > 1

for part in parts:
if part:
if contains_underscore:
items.append(part.title())
else:
first_char, remain_part = part[0], part[1:]
first_char, remain_part = part[0], part[1:]
if remain_part and remain_part.isupper(): # UPPERCASE
items.append(first_char.upper() + remain_part.lower())
else: # flatcase or camelCase or PascalCase
items.append(first_char.upper() + remain_part)
return "".join(items)

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