const findShortestPath = async (graph, start, end) => { const { default: PriorityQueue } = await import('https://cdn.jsdelivr.net/npm/js-priority-queue@0.1.5/+esm') const dists = new Map([[start, 0]]) const pq = new PriorityQueue({ comparator: (a, b) => a.w - b.w }) pq.queue({ n: start, w: 0 }) while (pq.length) { const { n, w } = pq.dequeue() if (n === end) return w if (w > (dists.get(n) ?? 1 / 0)) continue for (const [neighbor, weight] of Object.entries(graph[n] || {})) { const newWeight = w + weight if (newWeight < (dists.get(neighbor) ?? 1 / 0)) { dists.set(neighbor, newWeight) pq.queue({ n: neighbor, w: newWeight }) } } } return 1 / 0 } export default findShortestPath;