Fix hand winner state not being emitted

src/player.ts

@@ -156,11 +156,10 @@ export default class Player extends GameObject {
   }
 
   attributes(): PlayerAttributes {
-    // TODO: Get `Object.fromEntries` working when running `npm run test`.
-    const handWinner: { [key: string]: string } = {};
-    for (const key of this.handWinner.keys()) {
-      const value = this.handWinner.get(key);
-      if (value) {
+    const handWinner: Record<string, string> = {};
+
+    for (const [key, value] of this.handWinner.entries()) {
+      if (typeof value !== 'undefined') {
         handWinner[key] = handWinnerToString(value);
       }
     }
@@ -169,7 +168,6 @@ export default class Player extends GameObject {
       id: this.id,
       balance: this.balance,
       hands: this.hands.map((hand) => hand.attributes()),
-      // handWinner: Object.fromEntries(this.handWinner),
       handWinner,
     };
   }

test/src/game.ts

@@ -165,6 +165,7 @@ describe('Game', function () {
 
     context('when the player bets and wins', function () {
       let playerBalanceBefore: number;
+      let emittedHandWinner = false;
 
       const game = setupGame({
         // Force a winning hand for the player (blackjack with A-J).
@@ -175,6 +176,15 @@ describe('Game', function () {
       before(function () {
         playerBalanceBefore = game.player.balance;
 
+        game.on(Event.Change, (name, value) => {
+          if (
+            name === 'player' &&
+            value.handWinner[value.hands[0].id] === 'player'
+          ) {
+            emittedHandWinner = true;
+          }
+        });
+
         runGame(game, {
           input: [
             {
@@ -189,6 +199,10 @@ describe('Game', function () {
           playerBalanceBefore + game.betAmount * (3 / 2)
         );
       });
+
+      it('should emit the correct handWinner state', () => {
+        expect(emittedHandWinner).to.be.true;
+      });
     });
 
     context('when autoDeclineInsurance is enabled', function () {
@@ -426,7 +440,6 @@ describe('Game', function () {
         });
 
         game.on(Event.Change, (name, value) => {
-          console.log('EMIT', name, value);
           if (name === 'dealer' && value.hands[0].blackjack) {
             emittedBlackjack = true;
           }