export default { prompt: ` // Your goal is to write a production-ready and maintainable JavaScript function. Apply code-golfing practices without sacrificing readability by putting everything on one line. Do not include any comments in your code. // // Write an async JavaScript function 'findShortestPath' that finds the shortest path in a weighted, undirected graph using Dijkstra's algorithm. // - The function must accept a graph, a start node, and an end node. // - You MUST use a dynamic import() to load the 'js-priority-queue' library from a CDN (e.g., jsdelivr) for the priority queue. // - The function should return the total weight of the shortest path, or Infinity if no path exists. // - Graph format: { 'A': { 'B': 1, 'C': 4 }, 'B': { ... }, ... } `, harness: ` import assert from 'assert'; async function runTest() { const graph = { A: { B: 2, C: 5 }, B: { A: 2, C: 6, D: 1, E: 3 }, C: { A: 5, B: 6, F: 8 }, D: { B: 1, E: 4 }, E: { B: 3, D: 4, F: 2 }, F: { C: 8, E: 2 } }; try { const dist = await findShortestPath(graph, 'A', 'F'); assert.strictEqual(dist, 7, "Test Failed: Path A to F should be 7."); console.log("Test Passed!"); process.exit(0); } catch (e) { console.error("Test Execution Error:", e.message); process.exit(1); } } runTest(); ` };