https://fitradio.com/js/standby.js?version=20260914

1(function () {
2  // Bypass: ?bypassstandby=true|false. The server mirrors the param into a
3  // session cookie (Bootstrap::_initStandbyBypass) on every request, so the
4  // bypass survives server-side redirects and pages whose layout doesn't load
5  // this script. The cookie is the single source of truth.
6  var params = new URLSearchParams(window.location.search);
7  if (params.get('bypassstandby') === 'true') { return; }
8  if (/(^|;\s*)bypassstandby=true(;|$)/.test(document.cookie)) { return; }
9
10  // Read config injected by PHP
11  var config = window.__standbyConfig;
12  if (!config || !config.statusApiUrl || !config.standbyUrl) { return; }
13
14  // Prevent redirect loop if current page is already the standby URL
15  if (window.location.href.indexOf(config.standbyUrl) === 0) { return; }
16
17  var pollInterval = config.pollInterval || 30000;
18
19  function checkStandby() {
20    fetch(config.statusApiUrl)
21      .then(function (res) {
22        if (res.status === 503) {
23          // The status API answers 503 standby_not_active while standby is
24          // off; that is the normal "inactive" signal, not a failure.
25          return res.json().then(function (body) {
26            if (body && body.error === 'standby_not_active') { return null; }
27            throw new Error('HTTP 503');
28          });
29        }
30        if (!res.ok) { throw new Error('HTTP ' + res.status); }
31        return res.json();
32      })
33      .then(function (data) {
34        if (!data) { return; }
35        // Only the "active" state redirects. "ready" means FitWeb is back
36        // (data.active is still true then, for legacy mobile clients).
37        if (data.state === 'active' && data.surfaces && data.surfaces.web === true) {
38          window.location.replace(config.standbyUrl);
39        }
40      })
41      .catch(function (err) {
42        console.warn('[standby] Status check failed:', err.message);
43      });
44  }
45
46  // Initial check
47  checkStandby();
48
49  // Poll on interval
50  setInterval(checkStandby, pollInterval);
51
52  // Re-check when tab becomes visible
53  document.addEventListener('visibilitychange', function () {
54    if (document.visibilityState === 'visible') {
55      checkStandby();
56    }
57  });
58})();