blackjack.js v1.0.0

blackjack.js

blackjack.js is a Javascript blackjack library that is used for playing blackjack

Installation

To install the stable version:

# NPM
npm install blackjack.js

Example Code

The code blow plays a blackjack 1 vs 1

API

Constructor: BlackJack({options})

options |Name|Type|Description| |--|--|--| |no-bet|boolean|not used yet| |players|number|How many players in the game (default : 1)|

// 1 vs 1 blackjack defaults when called with no parameters
const blackjack = new BlackJack();

// pass options
const blackjack = new BlackJack({ players: 2 });

start()

The dealer deals two cards to everyone, including himself

const blackjack = new BlackJack();
blackjack.start();

show()

Returns a string card situation that everyone holds
The dealer`s card is opened when the game is ends

const blackjack = new BlackJack();
blackjack.start();
blackjack.show()

// +------------------------+
// |        Dealer-X        |
// |                        |
// |         1. **          |
// |         2. HK          |
// |                        |
// |         < ?? >         |
// +------------------------+
// +------------------------+
// |        Player-0        |
// |                        |
// |         1. D9          |
// |         2. CA          |
// |                        |
// |         < 19 >         |
// +------------------------+

const blackjack = new BlackJack();
blackjack.start();
blackjack.end();
blackjack.show()

// +------------------------+
// |        Dealer-X        |
// |                        |
// |         1. CQ          |
// |         2. HK          |
// |                        |
// |         < 20 >         |
// +------------------------+
// +------------------------+
// |        Player-0        |
// |                        |
// |         1. D9          |
// |         2. CA          |
// |                        |
// |         < 19 >         |
// +------------------------+

action(action)

The dealer deals two cards to everyone, including himself

parameter |Name|Type|Description| |----|--|--| |Hit|String|get one more card| |Stand|String|stop and the turn goes to the next person|

const blackjack = new BlackJack();
blackjack.start();

// player 0 turn
blackjack.action("Hit");
blackjack.action("Hit");
blackjack.action("Stand");

// player 1 turn
blackjack.action("Hit");
blackjack.action("Stand");

blackjack.show();

// +------------------------+
// |        Dealer-X        |
// |                        |
// |         1. **          |
// |         2. HK          |
// |                        |
// |       < Dealer >       |
// +------------------------+
// +------------------------+
// |        Player-0        |
// |                        |
// |         1. D9          |
// |         2. CA          |
// |         3. CK          |
// |         4. SK          |
// |                        |
// |       < player >       |
// +------------------------+
// +------------------------+
// |        Player-1        |
// |                        |
// |         1. D7          |
// |         2. H3          |
// |         3. DT          |
// |                        |
// |       < player >       |
// +------------------------+

end()

The dealer takes action according to the dealer's rules.

• dealers_rule :
  The dealer must get one extra card if the sum of cards is 16 or less, and stop if it is 17 or more.

const blackjack = new BlackJack();
blackjack.start();
blackjack.end(); 
blackjack.show();
// +------------------------+
// |        Dealer-X        |
// |                        |
// |         1. H5          |
// |         2. ST          |
// |         3. HJ          |
// |                        |
// |         < 25 >         |
// +------------------------+
// +------------------------+
// |        Player-0        |
// |                        |
// |         1. H9          |
// |         2. DK          |
// |                        |
// |         < 19 >         |
// +------------------------+