class PostHog::FieldParser

def parse_for_identify(fields)
  common = parse_common_fields(fields)
  properties = fields[:properties] || {}
  check_is_hash!(properties, 'properties')
  isoify_dates! properties
  common.merge(
    {
      type: 'identify',
      event: '$identify',
      '$set': properties,
      properties: properties.merge(common[:properties] || {})
    }
  )
end