Function searchGrid

javascript/0286-walls-and-gates.js:59–72

(rooms, queue = new Queue([]))

};

const searchGrid = (rooms, queue = new Queue([])) => {
    const [rows, cols] = [rooms.length, rooms[0].length];

    for (let row = 0; row < rows; row++) {
        for (let col = 0; col < cols; col++) {
            const isGate = rooms[row][col] === 0;
            if (!isGate) continue;

            queue.enqueue([row, col]);
        }
    }

    return queue;
};

const bfs = (rooms, queue) => {
    while (!queue.isEmpty()) {