camelizeJson

README.md

Example:

pbpaste | camelizeJson

camelizeJson

#!/usr/bin/env python3

import sys, re, json


def camelize(input_string):
  """
  Convert a string to camelCase.
  """
  if not input_string:
    return ""
  words = re.split(r'[^a-zA-Z0-9]', input_string)
  words = [word for word in words if word]
  return words[0].lower() + ''.join(word.capitalize() for word in words[1:])


def camelize_json_keys(data):
  """
    Recursively camelize JSON keys in a dictionary or list.

    Args:
        data: The JSON object to camelize. Can be a dictionary, list, or other types.

    Returns:
        The JSON object with camelCased keys.
  """
  if isinstance(data, dict):
    # Process dictionaries
    return {camelize(key): camelize_json_keys(value) for key, value in data.items()}
  elif isinstance(data, list):
    # Process lists
    return [camelize_json_keys(item) for item in data]
  else:
    # Base case: return data as is for non-dict, non-list
    return data


if __name__ == "__main__":
  try:
    # Read JSON input from stdin
    input_data = sys.stdin.read()
    # Parse the JSON string
    json_data = json.loads(input_data)
    # Camelize the JSON keys
    camelized_json = camelize_json_keys(json_data)
    # Output the camelized JSON
    print(json.dumps(camelized_json, indent=2))
  except json.JSONDecodeError as e:
    print(f"Error: Invalid JSON input. {e}", file=sys.stderr)
    sys.exit(1)