console.clear()

const freeze = false;

var state = {
  name: 'joe',
  profile: {
    hobby: 'hobby 1',
    age: 11,
    address: {
      street: 'street 1',
      city: 'city 1'
    }
  }
}
d('1', state)

if (freeze) {
	Object.freeze(state)
  Object.freeze(state.profile)
	Object.freeze(state.profile.address)
}

state.newProp = 'new-prop'
state.name = 'name 2'
state.profile.hobby = 'hobby 2'
state.profile.age = 22
state.profile.sex = 'm'

state.profile.address.city = 'city 2'
state.profile.address.street = 'street 2'
d('2', state)

function d(msg, state) {
  console.log('----------')
  console.info(msg, state)
}