@logic-pad/core/dist/src/data/solver/backtrack/rules/uniqueShape.js

import RegionShapeBTModule from './regionShape.js';
export default class UniqueShapeBTModule extends RegionShapeBTModule {
    instr;
    constructor(instr) {
        super(instr);
        this.instr = instr;
    }
    checkGlobal(grid) {
        const regions = this.getShapeRegions(grid);
        return regions.every(r => r.count === 1)
            ? { tilesNeedCheck: null, ratings: null }
            : false;
    }
}