Function bfs

javascript/0269-alien-dictionary.js:64–70

(queue, frequencyMap, graph, buffer)

};

const bfs = (queue, frequencyMap, graph, buffer) => {
    while (!queue.isEmpty()) {
        for (let level = queue.size() - 1; 0 <= level; level--) {
            checkNeighbors(queue, frequencyMap, graph, buffer);
        }
    }
};

var checkNeighbors = (queue, frequencyMap, graph, buffer) => {
    const char = queue.dequeue();