Points moved to an IIFE object, added game exit option

index.js

@@ -9,52 +9,76 @@ function playRound(playerChoice, computerChoice) {
     let computerChoiceCapital = computerChoice.slice(0,1).toUpperCase() + computerChoice.slice(1,computerChoice.length)
 
     if (playerChoice == computerChoice) {
-        return {string: `It's a tie! ${playerChoiceCapital} vs ${computerChoiceCapital}.`,
-                points: {player: true, computer: true}};
+        points.playerAddPoints();
+        points.computerAddPoints();
+        return `It's a tie! ${playerChoiceCapital} vs ${computerChoiceCapital}.`;
     } else if ((playerChoice == "rock" && computerChoice == "paper")
             || (playerChoice == "paper" && computerChoice == "scissors")
             || (playerChoice == "scissors" && computerChoice == "rock")) {
-        return {string: `You lost! ${computerChoiceCapital} beats ${playerChoiceCapital}.`,
-                points: {player: false, computer: true}};
+        points.computerAddPoints();
+        return `You lost! ${computerChoiceCapital} beats ${playerChoiceCapital}.`;
     } else if ((playerChoice == "rock" && computerChoice == "scissors")
             || (playerChoice == "paper" && computerChoice == "rock")
             || (playerChoice == "scissors" && computerChoice == "paper")) {
-        return {string: `You won! ${playerChoiceCapital} beats ${computerChoiceCapital}.`,
-                points: {player: true, computer: false}};
+        points.playerAddPoints();
+        return `You won! ${playerChoiceCapital} beats ${computerChoiceCapital}.`;
     }
 }
 
-function game() {
-    let points = {
-        player: 0,
-        computer: 0,
+const points = (() => {
+    this.player = 0;
+    this.computer = 0;
+    function playerAddPoints() {
+        player++;
     }
+    function computerAddPoints() {
+        computer++;
+    }
+    function reset() {
+        player = 0;
+        computer = 0
+    }
+    return {get player() {return player},
+            get computer() {return computer},
+            playerAddPoints, computerAddPoints, reset};
+})()
+
+function game() {
+    points.reset();
 
     for (let i = 0; i < 5; i++) {
         let correctOption = false
         let playerChoice;
         
         while (correctOption == false) {
-            playerChoice = prompt("What do you choose, 'rock', 'paper' or 'scissors'?").toLowerCase().trim();
-        
-            choices.forEach(element => {
-                if (playerChoice == element) {
-                    correctOption = true
-                    return;
-                }
-            })
+            playerChoice = prompt("What do you choose, 'rock', 'paper' or 'scissors'?");
+            if (playerChoice) {
+                choices.forEach(element => {
+                    if (playerChoice.toLowerCase().trim() == element) {
+                        correctOption = true
+                        return;
+                    }
+                })
+            } else if (confirm(`Do you wanna quit the game?`)) {
+                throw new Error("Exited the game on user's request");
+            }
         }
         
         let round = playRound(playerChoice, getComputerChoice());
-
-        if (round.points.player) {
-            points.player++;
-        }
-        if (round.points.computer) {
-            points.computer++;
-        }
         let pointsString = `Points: ${points.player}:${points.computer}\n`;
-        alert(pointsString + round.string);
+        alert(pointsString + round);
+    }
+
+    let confirmString;
+    if (points.player > points.computer) {
+        confirmString = `You won ${points.player}:${points.computer}`
+    } else if (points.player == points.computer) {
+        confirmString = `That was a ${points.player}:${points.computer} tie`
+    } else if (points.player < points.computer) {
+        confirmString = `You lost ${points.player}:${points.computer}`
+    }
+    if (confirm(`${confirmString}, do you wanna restart the game?`)) {
+        game();
     }
 }