server/machines/lobby.test.ts

@@ -86,13 +86,15 @@ describe("lobbyMachine", () => {
 
   describe("On playerLeaves", () => {
     it("transitions from OnePlayer to Empty state", () => {
-      expect(
-        lobbyMachine.transition("OnePlayer", "playerLeaves").value
-      ).toBe("Empty");
+      expect(lobbyMachine.transition("OnePlayer", "playerLeaves").value).toBe(
+        "Empty",
+      );
     });
 
     it("transitions from Multiple players to one player when player leaves", () => {
-      expect(lobbyMachine.transition("MultiplePlayers", "playerLeaves").value).toBe("OnePlayer")
+      expect(
+        lobbyMachine.transition("MultiplePlayers", "playerLeaves").value,
+      ).toBe("OnePlayer");
     });
 
     it("transitions from GameStart to OnePlayer if there is only one player left", () => {
@@ -110,7 +112,7 @@ describe("lobbyMachine", () => {
         });
       });
 
-      actor.send({ type: "playerClicksStart"});
+      actor.send({ type: "playerClicksStart" });
       expect(actor.getSnapshot().value).toBe("GameStart");
 
       actor.send({ type: "playerLeaves", socketId: "id" });

server/machines/lobby.ts

@@ -33,7 +33,8 @@ export const isNewPlayer = (
   { player }: { player: Player },
 ) => players.map((player) => player.socketId).indexOf(player.socketId) === -1;
 
-export const isOnlyPlayer = ({ players }: { players: Array<Player> }) => players.length === 1;
+export const isOnlyPlayer = ({ players }: { players: Array<Player> }) =>
+  players.length === 1;
 
 export const lobbyMachine = createMachine(
   {
@@ -74,11 +75,10 @@ export const lobbyMachine = createMachine(
       },
       GameStart: {
         entry: ["setQuestion"],
-        always: 
-          {
-            target: "OnePlayer",
-            cond: "isOnlyPlayer",
-          }, 
+        always: {
+          target: "OnePlayer",
+          cond: "isOnlyPlayer",
+        },
         on: {
           playerLeaves: { actions: "removePlayer" },
         },
@@ -92,7 +92,7 @@ export const lobbyMachine = createMachine(
       }),
       removePlayer: assign({
         players: ({ players }, { socketId }) =>
-        players.filter((p) => p.socketId !== socketId),
+          players.filter((p) => p.socketId !== socketId),
       }),
       setQuestion: assign({
         selectedQuestion: ({ questions }) => {