Update 7.01- deckOfCards.js to use class constructors

chapter07/7.01 - Deck of Cards/deckOfCards.js

@@ -1,121 +1,127 @@
-var Card = function(suit, number) {
-  this.suit = suit;
-  this.number = number;
-  this.value = `${this.number} ${this.suit}`;
-};
-
-var Deck = function() {
-  this.cards = [];
-  this.newDeck();
-};
-
-Deck.prototype.newDeck = function() {
-  this.clear();
-  var suits = ['\u2660', '\u2663', '\u2665', '\u2666'];
-  var numbers = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'];
-  suits.forEach((suit) => {
-    numbers.forEach((number) => {
-      this.cards.push(new Card(suit, number));
-    });
-  });
-};
-
-Deck.prototype.clear = function() {
-  while (this.cards.length > 0) {
-    this.cards.pop();
+// Create a deck of cards
+class Card {
+  constructor(suit, number) {
+      this.suit = suit
+      this.number = number
+      this.value = `${this.suit} ${this.number}`
   }
-};
-
-Deck.prototype.shuffle = function() {
-  this.cards.sort(() => Math.random() > 0.5 ? 1 : -1); 
-};
-
-Deck.prototype.deal = function() {
-  return this.cards.pop();
-};
-
-// dealer - hand and deck
-var Dealer = function() {
-  this.deck = new Deck();
-  this.hand = [];
-};
+}
 
-Dealer.prototype.shuffleCards = function() {
-  this.deck.shuffle();
-  this.deck.shuffle();
-  this.deck.shuffle();
-};
-
-Dealer.prototype.dealCard = function() {
-  return this.deck.deal();
-};
-
-Dealer.prototype.receiveCard = function(card) {
-  this.hand.push(card);
-};
+class Deck {
+  constructor() {
+      this.cards = []
+      this.newDeck()
+  }
 
-var Player = function() {
-  this.hand = [];
-};
+  newDeck() {
+      this.clear()
+      let suits = ['clubs', 'hearts', 'spades', 'diamonds']
+      let numbers = ['A', '2', '3','4','5','6','7','8','9','10','J','Q','K']
+      suits.forEach( s => {
+          numbers.forEach( n => {
+              this.cards.push(new Card(s, n))
+          })
+      })
+  }
 
-Player.prototype.receiveCard = function(card) {
-  this.hand.push(card);
-};
+  shuffle() {
+      this.cards.sort(() => Math.random() > 0.5 ? 1 : -1)
+  }
 
-Player.prototype.discardHand = function() {
-  this.hand = [];
-};
+  clear() {
+      while (this.cards.length > 0) {
+          this.cards.pop()
+      }
+  }
 
-// blackjack game table
+  deal() {
+      return this.cards.pop()
+  }
 
-var Table = function() {
-  this.dealer = new Dealer();
-  this.players = [];
-};
+}
 
-Table.prototype.join = function(player) {
-  if (this.players.length > 5) {
-    console.log('player is full');
-  } else if (this.players.indexOf(player) > -1) {
-    console.log('player is already on table');
-  } else {
-    this.players.push(player);  
-  }
-};
+class Dealer {
+  constructor() {
+      this.deck = new Deck()
+      this.hand = []
+  }
+  shuffleCards() {
+      this.deck.shuffle()
+      this.deck.shuffle()
+      this.deck.shuffle()
+  }
+  dealCard() {
+      return this.deck.deal()
+  }
+  receiveCard(card) {
+      this.hand.push(card)
+  }
+}
 
-Table.prototype.runGame = function() {
-  var dealer = this.dealer;
-  var players = this.players;
+class Player {
+  constructor(name){
+      this.hand = []
+      this.name = name
+  }
+  receiveCard(card) {
+      this.hand.push(card)
+  }
+  discardHand() {
+      this.hand = []
+  }
+}
 
-  if (players.length === 0) {
-    console.log('no players on table: game did not take place');
-  } else {
-    console.log('start blackjack game!');
-    dealer.shuffleCards();
-    for (var i = 0; i < 2; i++) {
+class Table {
+  constructor() {
+      this.dealer = new Dealer()
+      this.players = []
+  }
+  join(player) {
+      if (this.players.length > 5) {
+          console.log('table is full')
+      }
+      else if (this.players.indexOf(player) > -1) {
+          console.log('Already at table')
+      }
+      else {
+          this.players.push(player)
+      }
+  }
+  runGame() {
+      const dealer = this.dealer
+      const players = this.players
+
+      if (players.length === 0) {
+          console.log("no players. Game over")
+      }
+      else {
+          console.log("start blackjack")
+          dealer.shuffleCards()
+          for (let i = 0; i < 2; i++) {
+              players.forEach( p => {
+                  p.receiveCard(dealer.dealCard())
+              })
+              dealer.receiveCard(dealer.dealCard())
+          }
+      }
+      console.log('dealer hand', dealer.hand.map((card) => card.value))
       players.forEach((player) => {
-        player.receiveCard(dealer.dealCard());
-      });
-      dealer.receiveCard(dealer.dealCard());
-    }
-    console.log('dealer hand', dealer.hand.map((card) => card.value));
-    players.forEach((player) => {
-      console.log('player hand', player.hand.map((card) => card.value));
-    });
-  }
-};
+          console.log(`${player.name} hand`, player.hand.map((card) => card.value))
+      })
+  }
+}
 
 /* TEST */
 var table = new Table();
-var eugene = new Player();
-var david = new Player();
-var luis = new Player();
-var eric = new Player();
+var eugene = new Player("eugene");
+var david = new Player("david");
+var luis = new Player("luis");
+var eric = new Player("eric");
 
 table.join(eugene);
 table.join(david);
 table.join(luis);
 table.join(eric);
 
 /* build until dealing of first hand */
-table.runGame();
+table.runGame();