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"contributors": [ { "name": "Joshua Thomas", diff --git a/src/algebraicGameClient.js b/src/algebraicGameClient.js index 824c19b..312d8c4 100644 --- a/src/algebraicGameClient.js +++ b/src/algebraicGameClient.js @@ -69,11 +69,13 @@ function notate (validMoves, gameClient) { p = null, prefix = '', sq = null, + src = null, suffix = ''; // iterate through each starting squares valid moves for (; i < validMoves.length; i++) { - p = validMoves[i].src.piece; + src = validMoves[i].src; + p = src.piece; // iterate each potential move and build prefix and suffix for notation for (n = 0; n < validMoves[i].squares.length; n++) { @@ -91,7 +93,15 @@ function notate (validMoves, gameClient) { // squares with pawns if (sq.piece && p.type === PieceType.Pawn) { - prefix = validMoves[i].src.file; + prefix = src.file; + } + + // en passant + // fix for #53 + if (p.type === PieceType.Pawn && + src.file !== sq.file && + !sq.piece) { + prefix = [src.file, 'x'].join(''); } // squares with Bishop, Knight, Queen or Rook pieces @@ -103,25 +113,25 @@ function notate (validMoves, gameClient) { // can more than 1 land on the specified square? movesForPiece = getValidMovesByPieceType(p.type, validMoves); if (movesForPiece.length > 1) { - prefix = getNotationPrefix(validMoves[i].src, sq, movesForPiece); + prefix = getNotationPrefix(src, sq, movesForPiece); } else { - prefix = validMoves[i].src.piece.notation; + prefix = src.piece.notation; } } // squares with a King piece if (p.type === PieceType.King) { // look for castle left and castle right - if (validMoves[i].src.file === 'e' && sq.file === 'g') { + if (src.file === 'e' && sq.file === 'g') { // fix for issue #13 - if PGN is specified should be letters, not numbers prefix = gameClient.PGN ? 'O-O' : '0-0'; suffix = ''; - } else if (validMoves[i].src.file === 'e' && sq.file === 'c') { + } else if (src.file === 'e' && sq.file === 'c') { // fix for issue #13 - if PGN is specified should be letters, not numbers prefix = gameClient.PGN ? 'O-O-O' : '0-0-0'; suffix = ''; } else { - prefix = validMoves[i].src.piece.notation; + prefix = src.piece.notation; } } @@ -130,30 +140,30 @@ function notate (validMoves, gameClient) { // Rook promotion algebraicNotation[prefix + suffix + 'R'] = { dest : sq, - src : validMoves[i].src + src }; // Knight promotion algebraicNotation[prefix + suffix + 'N'] = { dest : sq, - src : validMoves[i].src + src }; // Bishop promotion algebraicNotation[prefix + suffix + 'B'] = { dest : sq, - src : validMoves[i].src + src }; // Queen promotion algebraicNotation[prefix + suffix + 'Q'] = { dest : sq, - src : validMoves[i].src + src }; } else { algebraicNotation[prefix + suffix] = { dest : sq, - src : validMoves[i].src + src }; } } diff --git a/test/src/algebraicGameClient.js b/test/src/algebraicGameClient.js index 1f30b0b..7dc9eeb 100644 --- a/test/src/algebraicGameClient.js +++ b/test/src/algebraicGameClient.js @@ -1,6 +1,7 @@ /* eslint no-magic-numbers:0 */ import { Piece, PieceType, SideType } from '../../src/piece'; import { AlgebraicGameClient } from '../../src/algebraicGameClient'; +import { assert } from 'chai'; describe('AlgebraicGameClient', () => { // test create and getStatus @@ -888,6 +889,24 @@ describe('AlgebraicGameClient', () => { assert.ok(status.isCheckmate, 'should properly parse gxf3+'); }); + // Issue #53 + // Algebraic and PGN formatting of en Passant is not correct + it('should properly notate en Passant', () => { + let + gc = AlgebraicGameClient.create(), + status; + + gc.move('e4'); + gc.move('d5'); + gc.move('e5'); + gc.move('f5'); + + status = gc.getStatus(); + + assert.isUndefined(status.notatedMoves['f6'], 'should properly notate en Passant'); + assert.isDefined(status.notatedMoves['exf6'], 'should properly notate en Passant'); + }); + // getFen test it ('should properly generate FEN of start position', () => { let