A javascript class representing a game of Blackjack

blackjack.js

const https = require('https')

module.exports =  class BlackJackGame {
  constructor() {
    this.game = {
      deckId: null,
      remaining: null,
      player: {
        hand: [],
        count: 0
      },
      dealer: {
        hand: [],
        count: 0
      },
    }
  }

  newDeck() {
    return new Promise((resolve, reject) => {
      https.get('https://deckofcardsapi.com/api/deck/new/shuffle/?deck_count=1', (response) => {
        let _body = ''
        response.on('data', (data) => {
          _body += data
        })
        response.on('end', () => {
          this.game.deckId = JSON.parse(_body).deck_id
          console.log(`New Deck Created ${this.game.deckId}`)
          resolve()
        })
      })
    })
  }

  dealCard(dealer = false) {
    if(this.game.deckId) {
      return new Promise((resolve, reject) => {
        https.get(`https://deckofcardsapi.com/api/deck/${this.game.deckId}/draw/?count=1`, (response) => {
          let _body = ''
          response.on('data', (data) => {
            _body += data
          })
          response.on('end', () => {
            const _response = JSON.parse(_body)
            if(dealer) {
              this.assignCard('dealer', _response)
            } else {
              this.assignCard('player', _response)
            }
            this.remaining = _response.remaining
            resolve(_response.cards[0])
          })
        })
      })
    }
  }

  assignCard(person, response) {
    const _card = response.cards[0]
    const { code } = _card
    const _cardValue = this.getValueOfCard(_card)
    this.game[person].hand.push(code)
    this.game[person].count += _cardValue
    console.log(`Assigning card ${code} to ${person}`)
  }

  getValueOfCard(card) {
    const VALUES_MAPPED = {
      JACK: 10,
      QUEEN: 10,
      KING: 10,
      ACE: 10,
    }
    const _value = card.value
    const _integer = parseInt(_value)

    return _integer ? _integer : VALUES_MAPPED[_value]
  }

  getPlayerHand(person) {
    return this.game[person].hand
  }

  getPlayerHandCount(person) {
    return this.game[person].count
  }

  getWinner() {
    const _playerCount = this.getPlayerHandCount('player')
    const _dealerCount = this.getPlayerHandCount('dealer')

    return _playerCount > _dealerCount ? 'player' : 'dealer'
  }

  isPersonBust(person) {
    return this.getPlayerHandCount(person) > 21
  }

  isThereWinner() {
    if(this.isPersonBust('dealer')) {
      console.log('Dealer Busts')
      return { player: this.game.player.count }
    } else if(this.isPersonBust('player')) {
      console.log('Player Busts')
      return { dealer: this.game.dealer.count }
    } else {
      console.log('No Winner Yet')
      return {
        none: {
          player: this.game.player.count,
          dealer: this.game.dealer.count
        }
      }
    }
  }
}