a3ad073d96
Importing metrics.server.ts from yjs-server.ts caused collectDefaultMetrics() to re-register during HMR, crashing the planner dev server. Check if metrics already exist first. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
32 lines
1 KiB
TypeScript
32 lines
1 KiB
TypeScript
import client from "prom-client";
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// Collect default Node.js metrics (event loop, heap, GC)
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// Guard against duplicate registration during HMR
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if (!client.register.getSingleMetric("process_cpu_user_seconds_total")) {
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client.collectDefaultMetrics();
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}
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export const httpRequestDuration = new client.Histogram({
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name: "http_request_duration_seconds",
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help: "Duration of HTTP requests in seconds",
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labelNames: ["method", "route", "status"] as const,
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buckets: [0.01, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5],
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});
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export const plannerActiveSessions = new client.Gauge({
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name: "planner_active_sessions",
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help: "Number of active planner sessions",
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});
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export const plannerConnectedClients = new client.Gauge({
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name: "planner_connected_clients",
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help: "Number of connected WebSocket clients",
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});
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export const brouterRequestDuration = new client.Histogram({
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name: "brouter_request_duration_seconds",
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help: "Duration of BRouter API requests in seconds",
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buckets: [0.1, 0.25, 0.5, 1, 2, 5, 10],
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});
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export const registry = client.register;
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