uv/.claude/hooks/post-edit-format.py

82 lines
1.9 KiB
Python

# /// script
# requires-python = ">=3.12"
# dependencies = []
# ///
"""Post-edit hook to auto-format files after Claude edits."""
import json
import subprocess
import sys
from pathlib import Path
def format_rust(file_path: str, cwd: str) -> None:
"""Format Rust files with cargo fmt."""
try:
subprocess.run(
["cargo", "fmt", "--", file_path],
cwd=cwd,
capture_output=True,
)
except FileNotFoundError:
pass
def format_python(file_path: str, cwd: str) -> None:
"""Format Python files with ruff."""
try:
subprocess.run(
["uvx", "ruff", "format", file_path],
cwd=cwd,
capture_output=True,
)
except FileNotFoundError:
pass
def format_prettier(file_path: str, cwd: str, prose_wrap: bool = False) -> None:
"""Format files with prettier."""
args = ["npx", "prettier", "--write"]
if prose_wrap:
args.extend(["--prose-wrap", "always"])
args.append(file_path)
try:
subprocess.run(args, cwd=cwd, capture_output=True)
except FileNotFoundError:
pass
def main() -> None:
import os
input_data = json.load(sys.stdin)
tool_name = input_data.get("tool_name")
tool_input = input_data.get("tool_input", {})
file_path = tool_input.get("file_path")
# Only process Write, Edit, and MultiEdit tools
if tool_name not in ("Write", "Edit", "MultiEdit"):
return
if not file_path:
return
cwd = os.environ.get("CLAUDE_PROJECT_DIR", os.getcwd())
path = Path(file_path)
ext = path.suffix
if ext == ".rs":
format_rust(file_path, cwd)
elif ext in (".py", ".pyi"):
format_python(file_path, cwd)
elif ext in (".json5", ".yaml", ".yml"):
format_prettier(file_path, cwd)
elif ext == ".md":
format_prettier(file_path, cwd, prose_wrap=True)
if __name__ == "__main__":
main()