Function checkNeighbors

javascript/0286-walls-and-gates.js:82–93

(rooms, queue)

};

const checkNeighbors = (rooms, queue) => {
    const [rows, cols] = [rooms.length, rooms[0].length];
    const [row, col] = queue.dequeue();

    for (const [_row, _col] of getNeighbors(row, rows, col, cols)) {
        const isINF = rooms[_row][_col] === 2147483647; /* (2 ** 31) - 1 */
        if (!isINF) continue;

        rooms[_row][_col] = rooms[row][col] + 1;
        queue.enqueue([_row, _col]);
    }
};

var getNeighbors = (row, rows, col, cols) =>
    [