Update server.js

server.js

@@ -170,24 +170,22 @@ function checkWin(board, row, col) {
     const WINNING_LENGTH = 4;
 
     const directions = [
-    [0, 1], // horizontal
-    [1, 0], // vertical
-    [1, 1], // diagonale descendante
-    [1, -1], // diagonale montante
+        [0, 1],   // horizontal →
+        [1, 0],   // vertical ↓
+        [1, 1],   // diagonale descendante ↘
+        [1, -1]   // diagonale montante ↗
     ];
 
     for (const [dx, dy] of directions) {
         let count = 1;
 
-    // Dans une direction
+        
         for (let step = 1; step < WINNING_LENGTH; step++) {
             const newRow = row + step * dx;
             const newCol = col + step * dy;
             if (
-        newRow >= 0 &&
-        newRow < ROWS &&
-        newCol >= 0 &&
-        newCol < COLS &&
+                newRow >= 0 && newRow < ROWS &&
+                newCol >= 0 && newCol < COLS &&
                 board[newRow][newCol] === player
             ) {
                 count++;
@@ -196,15 +194,13 @@ function checkWin(board, row, col) {
             }
         }
 
-    // Dans l’autre direction
+        // Direction opposée 
         for (let step = 1; step < WINNING_LENGTH; step++) {
             const newRow = row - step * dx;
             const newCol = col - step * dy;
             if (
-        newRow >= 0 &&
-        newRow < ROWS &&
-        newCol >= 0 &&
-        newCol < COLS &&
+                newRow >= 0 && newRow < ROWS &&
+                newCol >= 0 && newCol < COLS &&
                 board[newRow][newCol] === player
             ) {
                 count++;
@@ -216,7 +212,7 @@ function checkWin(board, row, col) {
         if (count >= WINNING_LENGTH) {
             return player;
         }
+    }
 
     return null;
 }
-}
\ No newline at end of file