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const _ = require("lodash"); | |
class CardShuffler { | |
constructor(deck) { | |
this.deck = _.shuffle(deck); | |
this.activeCards = []; | |
} | |
/** | |
* Get an iterator that will iterate through the cards. | |
*/ | |
*getCardDrawer() { | |
while (this.deck.length > 0) { | |
// Draw new card | |
const card = this.deck.shift(); | |
yield { | |
card: card, | |
remainingCards: this.deck.length, | |
}; | |
} | |
} | |
} | |
// 1st using an event like a button click that will call the function | |
const cardDrawer1 = new CardShuffler([ | |
{ value: "1", type: "♥️" }, | |
{ value: "J", type: "♦️" }, | |
{ value: "9", type: "♠️" }, | |
{ value: "4", type: "♣️" }, | |
]).getCardDrawer(); | |
// Onclick function | |
const onClick = () => { | |
const nextCardStatus = cardDrawer1.next(); | |
if (nextCardStatus.done) { | |
console.log("Deck is now empty!"); | |
} else { | |
console.log("Picked card is: ", nextCardStatus.value.card); | |
console.log("Remaining cards in the deck: ", nextCardStatus.value.remainingCards); | |
} | |
}; | |
console.log("=== Method 1: using iterator .next function ==="); | |
console.log("Will start drawing card from the deck"); | |
onClick(); | |
onClick(); | |
onClick(); | |
onClick(); | |
// 2nd using iterator for…of Let's draw the integral deck in a loop | |
const cardDrawer2 = new CardShuffler([ | |
{ value: "1", type: "♥️" }, | |
{ value: "J", type: "♦️" }, | |
{ value: "9", type: "♠️" }, | |
{ value: "4", type: "♣️" }, | |
]).getCardDrawer(); | |
console.log("=== Method 2: using for…of loop ==="); | |
console.log("Will start drawing card from the deck"); | |
for (const cardStatus of cardDrawer2) { | |
console.log("Picked card is: ", cardStatus.card); | |
console.log("Remaining cards in the deck: ", cardStatus.remainingCards); | |
} | |
console.log("Deck is now empty!"); |
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