const deepContainsProperty = (data, testProperty) => {
  const hasProperty = testObject => Object.keys(testObject).includes(testProperty);

  // check if top level object has the property itself before looping
  if (hasProperty(data)) {
    return true;
  }

  let propertyFound = false;

  for (let property in data) {
    const currentProperty = data[property];

    if (typeof currentProperty !== 'object' || Array.isArray(currentProperty)) {
      continue;
    }

     propertyFound = deepContainsProperty(currentProperty, testProperty);

    if (propertyFound) {
      break;
    }
  }

  return propertyFound;
};