Load limiting safeguards

dashboard/src/domains.md

@@ -3,25 +3,27 @@ title: Domains
 ---
 
 ```js
-import {API, POLL} from "./components/config.js";
+import {API, POLL_HEAVY, apiFetch, pollDelay, sleep} from "./components/config.js";
 ```
 
 ```js
 const domainsState = (async function*() {
+  let failures = 0;
   while (true) {
     let domains = [], repos = [], ok = false;
     try {
       const [rd, rr] = await Promise.all([
-        fetch(`${API}/domains/?status=all`),
-        fetch(`${API}/repos/`),
+        apiFetch("/domains/?status=all"),
+        apiFetch("/repos/"),
       ]);
       ok = rd.ok && rr.ok;
       if (ok) {
         [domains, repos] = await Promise.all([rd.json(), rr.json()]);
       }
     } catch {}
+    failures = ok ? 0 : failures + 1;
     yield {domains, repos, ok, ts: new Date()};
-    await new Promise(res => setTimeout(res, POLL));
+    await sleep(pollDelay({ok, base: POLL_HEAVY, failures}));
   }
 })();
 ```