chessground/config.js

lichess.org chess ui

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.configure = void 0;
const board_1 = require("./board");
const fen_1 = require("./fen");
function configure(state, config) {
    var _a;
    if ((_a = config.movable) === null || _a === void 0 ? void 0 : _a.dests)
        state.movable.dests = undefined;
    merge(state, config);
    if (config.fen) {
        state.pieces = fen_1.read(config.fen);
        state.drawable.shapes = [];
    }
    if (config.hasOwnProperty('check'))
        board_1.setCheck(state, config.check || false);
    if (config.hasOwnProperty('lastMove') && !config.lastMove)
        state.lastMove = undefined;
    else if (config.lastMove)
        state.lastMove = config.lastMove;
    if (state.selected)
        board_1.setSelected(state, state.selected);
    if (!state.animation.duration || state.animation.duration < 100)
        state.animation.enabled = false;
    if (!state.movable.rookCastle && state.movable.dests) {
        const rank = state.movable.color === 'white' ? '1' : '8', kingStartPos = ('e' + rank), dests = state.movable.dests.get(kingStartPos), king = state.pieces.get(kingStartPos);
        if (!dests || !king || king.role !== 'king')
            return;
        state.movable.dests.set(kingStartPos, dests.filter(d => !(d === 'a' + rank && dests.includes(('c' + rank))) &&
            !(d === 'h' + rank && dests.includes(('g' + rank)))));
    }
}
exports.configure = configure;
function merge(base, extend) {
    for (const key in extend) {
        if (isObject(base[key]) && isObject(extend[key]))
            merge(base[key], extend[key]);
        else
            base[key] = extend[key];
    }
}
function isObject(o) {
    return typeof o === 'object';
}
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