Add Diamond Chess

[vchess.git] / client / src / variants / Berolina.js

diff --git a/client/src/variants/Berolina.js b/client/src/variants/Berolina.js
index b14b19e..a7f7afa 100644 (file)
--- a/client/src/variants/Berolina.js
+++ b/client/src/variants/Berolina.js
@@ -62,7 +62,9 @@ export class BerolinaRules extends ChessRules {
     const startRank = color == "w" ? sizeX - 2 : 1;
     const lastRank = color == "w" ? 0 : sizeX - 1;
     const finalPieces =
-      x + shiftX == lastRank ? [V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN] : [V.PAWN];
+      x + shiftX == lastRank
+        ? [V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN]
+        : [V.PAWN];
 
     // One square diagonally
     for (let shiftY of [-1, 1]) {
@@ -94,10 +96,11 @@ export class BerolinaRules extends ChessRules {
       this.board[x + shiftX][y] != V.EMPTY &&
       this.canTake([x, y], [x + shiftX, y])
     ) {
-      for (let piece of finalPieces)
+      for (let piece of finalPieces) {
         moves.push(
           this.getBasicMove([x, y], [x + shiftX, y], { c: color, p: piece })
         );
+      }
     }
 
     // Next condition so that other variants could inherit from this class
@@ -126,15 +129,11 @@ export class BerolinaRules extends ChessRules {
 
   isAttackedByPawn([x, y], color) {
     let pawnShift = (color == "w" ? 1 : -1);
-    if (x + pawnShift >= 0 && x + pawnShift < V.size.x) {
-      if (
-        this.getPiece(x + pawnShift, y) == V.PAWN &&
-        this.getColor(x + pawnShift, y) == color
-      ) {
-        return true;
-      }
-    }
-    return false;
+    return (
+      x + pawnShift >= 0 && x + pawnShift < V.size.x &&
+      this.getPiece(x + pawnShift, y) == V.PAWN &&
+      this.getColor(x + pawnShift, y) == color
+    );
   }
 
   static get SEARCH_DEPTH() {
@@ -148,7 +147,7 @@ export class BerolinaRules extends ChessRules {
       const finalSquare = V.CoordsToSquare(move.end);
       let notation = "";
       if (move.vanish.length == 2)
-        //capture
+        // Capture
         notation = "Px" + finalSquare;
       else {
         // No capture: indicate the initial square for potential ambiguity