function deepEqual(object1: any, object2: any) {
  const keys1 = Object.keys(object1);
  const keys2 = Object.keys(object2);

  if (keys1.length !== keys2.length) {
    return false;
  }

  for (let index = 0; index < keys1.length; index++) {
    const val1 = object1[keys1[index]];
    const val2 = object2[keys2[index]];
    const areObjects = isObject(val1) && isObject(val2);
    if ((areObjects && !deepEqual(val1, val2)) || (!areObjects && val1 !== val2)) {
      return false;
    }
  }

  return true;
}

function isObject(object: any) {
  return object != null && typeof object === 'object';
}

export default deepEqual;