Add tracker health badges for magnets

js/trackerConfig.js

@@ -0,0 +1,39 @@
+import { WSS_TRACKERS as DEFAULT_WSS_TRACKERS } from "./constants.js";
+
+export const TRACKER_TIMEOUT_MS = 3000;
+export const TRACKER_PER_MAGNET = 3;
+export const HEALTH_TTL_MS = 2 * 60 * 1000;
+export const CONCURRENCY = 3;
+export const TRACKER_ERROR_COOLDOWN_MS = 60 * 1000;
+
+export function resolveTrackerList({ magnetTrackers } = {}) {
+  const combined = [];
+  const seen = new Set();
+
+  const pushUnique = (url) => {
+    if (typeof url !== "string") {
+      return;
+    }
+    const trimmed = url.trim();
+    if (!trimmed) {
+      return;
+    }
+    if (!/^wss:\/\//i.test(trimmed)) {
+      return;
+    }
+    const normalized = trimmed.toLowerCase();
+    if (seen.has(normalized)) {
+      return;
+    }
+    seen.add(normalized);
+    combined.push(trimmed);
+  };
+
+  if (Array.isArray(magnetTrackers)) {
+    magnetTrackers.forEach(pushUnique);
+  }
+
+  DEFAULT_WSS_TRACKERS.forEach(pushUnique);
+
+  return combined.slice(0, TRACKER_PER_MAGNET);
+}