Function buildGraph

javascript/0269-alien-dictionary.js:25–36

(words)

});

var buildGraph = (words) => {
    const { graph, frequencyMap, queue, buffer } = initGraph();

    for (const word of words) {
        for (const char of word) {
            frequencyMap.set(char, 0);
            graph.set(char, []);
        }
    }

    return { graph, frequencyMap, queue, buffer };
};

var canBuildGraph = (words, graph, frequencyMap) => {
    for (let index = 0; index < words.length - 1; index++) {