smart-formatting-hook-example-code.json

{
  "description": "Smart code formatting based on file type. Automatically formats code using Prettier, Black, gofmt, rustfmt, and other language-specific formatters.",
  "hooks": {
    "PostToolUse": [
      {
        "matcher": "Edit|MultiEdit",
        "hooks": [
          {
            "type": "command",
            "command": "if [[ \"$CLAUDE_TOOL_FILE_PATH\" == *.js || \"$CLAUDE_TOOL_FILE_PATH\" == *.ts || \"$CLAUDE_TOOL_FILE_PATH\" == *.jsx || \"$CLAUDE_TOOL_FILE_PATH\" == *.tsx || \"$CLAUDE_TOOL_FILE_PATH\" == *.json || \"$CLAUDE_TOOL_FILE_PATH\" == *.css || \"$CLAUDE_TOOL_FILE_PATH\" == *.html ]]; then npx prettier --write \"$CLAUDE_TOOL_FILE_PATH\" 2>/dev/null || true; elif [[ \"$CLAUDE_TOOL_FILE_PATH\" == *.py ]]; then black \"$CLAUDE_TOOL_FILE_PATH\" 2>/dev/null || true; elif [[ \"$CLAUDE_TOOL_FILE_PATH\" == *.go ]]; then gofmt -w \"$CLAUDE_TOOL_FILE_PATH\" 2>/dev/null || true; elif [[ \"$CLAUDE_TOOL_FILE_PATH\" == *.rs ]]; then rustfmt \"$CLAUDE_TOOL_FILE_PATH\" 2>/dev/null || true; elif [[ \"$CLAUDE_TOOL_FILE_PATH\" == *.php ]]; then php-cs-fixer fix \"$CLAUDE_TOOL_FILE_PATH\" 2>/dev/null || true; fi"
          }
        ]
      }
    ]
  }
}