mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-14 16:47:55 +00:00
19 lines
545 B
JavaScript
19 lines
545 B
JavaScript
const findShortestPath = async (g, s, e) => {
|
|
const { default: Q } = await import('https://esm.sh/js-priority-queue');
|
|
const q = new Q({ comparator: (a, b) => a.w - b.w }), m = { [s]: 0 };
|
|
q.queue({ n: s, w: 0 });
|
|
while (q.length) {
|
|
const { n, w } = q.dequeue();
|
|
if (n === e) return w;
|
|
if (w > (m[n] ?? 1/0)) continue;
|
|
for (const v in g[n]) {
|
|
const k = w + g[n][v];
|
|
if (k < (m[v] ?? 1/0)) {
|
|
m[v] = k;
|
|
q.queue({ n: v, w: k });
|
|
}
|
|
}
|
|
}
|
|
return 1/0;
|
|
};
|
|
export default findShortestPath; |