mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-13 16:17:54 +00:00
28 lines
758 B
JavaScript
28 lines
758 B
JavaScript
export const findShortestPath = async (graph, start, end) => {
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const { default: PQ } = await import('https://cdn.skypack.dev/js-priority-queue');
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const dists = { [start]: 0 };
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const pq = new PQ({ comparator: (a, b) => a.w - b.w });
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pq.queue({ n: start, w: 0 });
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while (pq.length) {
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const { n, w } = pq.dequeue();
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if (n === end) return w;
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if (w > (dists[n] ?? Infinity)) continue;
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for (const [neighbor, weight] of Object.entries(graph[n] ?? {})) {
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const total = w + weight;
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if (total < (dists[neighbor] ?? Infinity)) {
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dists[neighbor] = total;
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pq.queue({ n: neighbor, w: total });
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}
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}
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}
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return Infinity;
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};
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export default findShortestPath;
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// Generation time: 12.594s
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// Result: PASS
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