En Passant not possible in "Without in-memory" mode

[kkalamarski]

First of all, it's a great project - I'm using it as a base to build my chess AI.

I've noticed that in static mode en passant is not listed as a possible move.

Steps to reproduce:
FEN: rn1qk2r/pbp1nppp/1p2p3/3pP3/1bBP4/2N2N2/PPP2PPP/R1BQK2R w KQkq d6 0 7
Expected legal move: E5 takes D6
board object:

{
        moves: {
          C4: [
            'B5', 'A6',
            'D5', 'B3',
            'D3', 'E2',
            'F1'
          ],
          F3: [ 'G5', 'H4', 'D2', 'G1' ],
          A2: [ 'A3', 'A4' ],
          B2: [ 'B3' ],
          G2: [ 'G3', 'G4' ],
          H2: [ 'H3', 'H4' ],
          A1: [ 'B1' ],
          C1: [ 'D2', 'E3', 'F4', 'G5', 'H6' ],
          D1: [ 'D2', 'D3', 'E2' ],
          E1: [ 'E2', 'F1', 'D2', 'G1' ],
          H1: [ 'G1', 'F1' ]
        },
        pieces: {
          A8: 'r',
          B8: 'n',
          D8: 'q',
          E8: 'k',
          H8: 'r',
          A7: 'p',
          B7: 'b',
          C7: 'p',
          E7: 'n',
          F7: 'p',
          G7: 'p',
          H7: 'p',
          B6: 'p',
          E6: 'p',
          D5: 'p',
          E5: 'P',
          B4: 'b',
          C4: 'B',
          D4: 'P',
          C3: 'N',
          F3: 'N',
          A2: 'P',
          B2: 'P',
          C2: 'P',
          F2: 'P',
          G2: 'P',
          H2: 'P',
          A1: 'R',
          C1: 'B',
          D1: 'Q',
          E1: 'K',
          H1: 'R'
        },
        turn: 'white',
        isFinished: false,
        check: false,
        checkMate: false,
        castling: {
          whiteLong: true,
          whiteShort: true,
          blackLong: true,
          blackShort: true
        },
        enPassant: 'd6',
        halfMove: 0,
        fullMove: 7
      }

running this code fails:

jsChess.move('rn1qk2r/pbp1nppp/1p2p3/3pP3/1bBP4/2N2N2/PPP2PPP/R1BQK2R w KQkq d6 0 7', 'E5', 'D6')

Error message: Invalid move from E5 to D6 for white

Keep up the good work!

[josefjadrny]

Hi @kkalamarski
firstly, let me thank you for your feedback!

I can confirm that you found a BUG! 👍

Thank you for #12 , but there is a new bug with this solution. Please check my review. Or, if you prefer, I can fix it on my own.

[kkalamarski]

That makes sense, I will update my PR later today 👍

[josefjadrny]

Thank you!