chessgroundxx/dist/autoPieces.js

lichess.org chess ui

import { key2pos, createEl, posToTranslate as posToTranslateFromBounds, translateAndScale, } from "./util.js";
import { whitePov } from "./board.js";
import { syncShapes } from "./sync.js";
export function render(state, autoPieceEl) {
    const autoPieces = state.drawable.autoShapes.filter((autoShape) => autoShape.piece);
    const autoPieceShapes = autoPieces.map((s) => {
        return {
            shape: s,
            hash: hash(s),
            current: false,
        };
    });
    syncShapes(autoPieceShapes, autoPieceEl, (shape) => renderShape(state, shape, state.dom.bounds()));
}
export function renderResized(state) {
    var _a;
    const asWhite = whitePov(state), posToTranslate = posToTranslateFromBounds(state.dom.bounds());
    let el = (_a = state.dom.elements.autoPieces) === null || _a === void 0 ? void 0 : _a.firstChild;
    while (el) {
        translateAndScale(el, posToTranslate(key2pos(el.cgKey), asWhite), el.cgScale);
        el = el.nextSibling;
    }
}
function renderShape(state, { shape, hash }, bounds) {
    var _a, _b, _c;
    const orig = shape.orig;
    const role = (_a = shape.piece) === null || _a === void 0 ? void 0 : _a.role;
    const color = (_b = shape.piece) === null || _b === void 0 ? void 0 : _b.color;
    const scale = (_c = shape.piece) === null || _c === void 0 ? void 0 : _c.scale;
    const pieceEl = createEl("piece", `${role} ${color}`);
    pieceEl.setAttribute("cgHash", hash);
    pieceEl.cgKey = orig;
    pieceEl.cgScale = scale;
    translateAndScale(pieceEl, posToTranslateFromBounds(bounds)(key2pos(orig), whitePov(state)), scale);
    return pieceEl;
}
const hash = (autoPiece) => {
    var _a, _b, _c;
    return [
        autoPiece.orig,
        (_a = autoPiece.piece) === null || _a === void 0 ? void 0 : _a.role,
        (_b = autoPiece.piece) === null || _b === void 0 ? void 0 : _b.color,
        (_c = autoPiece.piece) === null || _c === void 0 ? void 0 : _c.scale,
    ].join(",");
};
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