@mychess/openings/fen.js

Chess openings.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var openings_1 = require("./openings");
var openings_2 = require("./openings");
exports.Openings = openings_2.Openings;
var chess_js_1 = require("chess.js");
var Fen = /** @class */ (function () {
    function Fen(pgn) {
        this.pgn = pgn;
        this.chess = new chess_js_1.Chess(pgn);
    }
    Fen.prototype.getFens = function () {
        var moves = this.getMoves();
        var fen = [];
        var chess = new chess_js_1.Chess();
        for (var i = 0; i < 30; i++) {
            if (!moves[i])
                continue;
            var yam = moves[i].split(' ');
            var w = yam[0];
            var b = yam[1];
            chess.move(w);
            fen.push(chess.fen());
            chess.move(b);
            fen.push(chess.fen());
        }
        return fen;
    };
    Fen.prototype.getOpenings = function () {
        var fens = this.getFens();
        var openings = [];
        for (var i = 0; i < fens.length; i++) {
            var opening = openings_1.Openings.byFen(fens[i]);
            if (opening) {
                openings.push(opening);
            }
        }
        return openings;
        //return Object.values(Book)
    };
    Fen.prototype.getMoves = function (group) {
        if (group === void 0) { group = true; }
        var moves = this.pgn.split('.');
        var result = [];
        for (var i = 0; i < moves.length; i++) {
            var move = moves[i];
            var clean = move.trim();
            var sector = clean.split(' ');
            var one = typeof sector[0] == 'undefined' ? '' : sector[0];
            var two = typeof sector[1] == 'undefined' ? '' : sector[1];
            if (group) {
                result.push((one + " " + two).trim());
            }
            else {
                if (one)
                    result.push(one.trim());
                if (two)
                    result.push(two.trim());
            }
        }
        return result.slice(1);
    };
    return Fen;
}());
exports.Fen = Fen;