mapKeys

mapKeys(object, fn) → object · Object

Transform the keys of an object, keeping values unchanged.

• object (required): the object to transform

• fn (required): lambda (key) -> newKey

echo '{"first_name": "Alice", "last_name": "Johnson", "age": 30}' | utlx -e 'mapKeys($input, (key) -> camelCase(key))'
# {"firstName": "Alice", "lastName": "Johnson", "age": 30}