Function findItinerary

javascript/0332-reconstruct-itinerary.js:6–12

(tickets)

 * @return {string[]}
 */
var findItinerary = (tickets) => {
    tickets.sort();

    const graph = buildGraph(tickets);

    return dfs(tickets, graph);
};

const dfs = (tickets, graph, city = 'JFK', path = ['JFK']) => {
    const isBaseCase = path.length === tickets.length + 1;