Game of life [iSeatz] (Germán Burgardt)

GameOfLife.js

const getLivingNeighbors = (board, xCell, yCell) => {
    let livingNeighbors = 0;
    for (let row = -1; row <= 1; row++){
        for (let column = -1; column <= 1; column++) {
            if (row === 0 && column === 0) {
                continue;
            }
            if((board[yCell + column]) && (board[yCell + column][xCell + row])
                && (board[yCell + column][xCell + row] === 1)) {
                livingNeighbors++;
            }
        }
    }   
    return livingNeighbors;
};

const nextGeneration = board => {
    let nextBoard = board.map((row, yCell) => {
        return nextRow = row.map((cell, xCell) => {
            let newCellLife = cell;
            let livingNeighbors = getLivingNeighbors(board, xCell, yCell);
            if (cell === 1) {
                if (livingNeighbors < 2 || livingNeighbors > 3) {
                    newCellLife = 0
                }
            } else {
                if (livingNeighbors === 3) {
                    newCellLife = 1
                }
            }
            return newCellLife;
        })

    }); 
    return nextBoard;
};

nextGeneration([
    [1, 1, 1],
    [1, 0, 0],
    [1, 1, 0]
]);