Initial data commit

Task/Poker-hand-analyser/JavaScript/poker-hand-analyser-1.js

@@ -0,0 +1,31 @@
+const FACES = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'j', 'q', 'k', 'a'];
+const SUITS = ['♥', '♦', '♣', '♠'];
+
+function analyzeHand(hand){
+	let cards  = hand.split(' ').filter(x => x !== 'joker');
+	let jokers = hand.split(' ').length - cards.length;
+	
+	let faces = cards.map( card => FACES.indexOf(card.slice(0,-1)) );
+	let suits = cards.map( card => SUITS.indexOf(card.slice(-1)) );
+	
+	if( cards.some( (card, i, self) => i !== self.indexOf(card) ) || faces.some(face => face === -1) || suits.some(suit => suit === -1) )
+		return 'invalid';
+	
+	let flush    = suits.every(suit => suit === suits[0]);
+	let groups   = FACES.map( (face,i) => faces.filter(j => i === j).length).sort( (x, y) => y - x );
+	let shifted  = faces.map(x => (x + 1) % 13);
+	let distance = Math.min( Math.max(...faces) - Math.min(...faces), Math.max(...shifted) - Math.min(...shifted));
+	let straight = groups[0] === 1 && distance < 5;
+	groups[0] += jokers;
+	
+	if      (groups[0] === 5)                    return 'five-of-a-kind'
+	else if (straight && flush)                  return 'straight-flush'
+	else if (groups[0] === 4)                    return 'four-of-a-kind'
+	else if (groups[0] === 3 && groups[1] === 2) return 'full-house'
+	else if (flush)                              return 'flush'
+	else if (straight)                           return 'straight'
+	else if (groups[0] === 3)                    return 'three-of-a-kind'
+	else if (groups[0] === 2 && groups[1] === 2) return 'two-pair'
+	else if (groups[0] === 2)                    return 'one-pair'
+	else                                         return 'high-card';
+}

Task/Poker-hand-analyser/JavaScript/poker-hand-analyser-2.js

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+let testHands = [
+	"2♥ 2♦ 2♣ k♣ q♦",
+	"2♥ 5♥ 7♦ 8♣ 9♠",
+	"a♥ 2♦ 3♣ 4♣ 5♦",
+	"2♥ 3♥ 2♦ 3♣ 3♦",
+	"2♥ 7♥ 2♦ 3♣ 3♦",
+	"2♥ 7♥ 7♦ 7♣ 7♠",
+	"10♥ j♥ q♥ k♥ a♥",
+	"4♥ 4♠ k♠ 5♦ 10♠",
+	"q♣ 10♣ 7♣ 6♣ 4♣",
+	"joker 4♣ k♣ 5♦ 10♠",
+	"joker 2♦ 2♠ k♠ q♦",
+	"joker 3♥ 2♦ 3♠ 3♦",
+	"joker 7♥ 7♦ 7♠ 7♣",
+	"joker 2♦ joker 4♠ 5♠",
+	"joker 2♠ joker a♠ 10♠",
+	"joker q♦ joker a♦ 10♦"
+];
+	
+for(hand of testHands) console.log(hand + ": " + analyzeHand(hand));