ryos/index.html at main · ryokun6/ryos · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/x-icon" href="/favicon.ico" />
    <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
    <link rel="manifest" href="/manifest.json" />
    <meta name="mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
    <meta name="apple-mobile-web-app-title" content="ryOS" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0, viewport-fit=cover"
    />
    <meta
      name="description"
      content="An AI OS experience, made with Cursor"
    />
    <meta name="theme-color" content="#000000" />
    <meta http-equiv="Permissions-Policy" content="camera=(self)" />
    <!-- Disable pull-to-refresh and overscroll behaviors on mobile -->
    <meta name="format-detection" content="telephone=no" />
    <meta name="msapplication-tap-highlight" content="no" />

    <!-- Cache control -->
    <meta http-equiv="Cache-Control" content="max-age=86400" />

    <!-- Preconnect to external domains for faster resource loading -->
    <link rel="preconnect" href="https://www.youtube.com" />
    <link rel="preconnect" href="https://i.ytimg.com" />
    <link rel="preconnect" href="https://fonts.googleapis.com" />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
    <link rel="dns-prefetch" href="https://www.youtube.com" />
    <link rel="dns-prefetch" href="https://i.ytimg.com" />

    <!-- Google Fonts: Noto Serif JP/KR, Kosugi Maru, and Nanum Gothic (700) -->
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@700&family=Noto+Serif+KR:wght@700&family=Kosugi+Maru&family=Nanum+Gothic:wght@700&display=swap" rel="stylesheet" />

    <!-- Preload critical fonts (used immediately on page load) -->
    <link rel="preload" href="/fonts/ChicagoKare-Regular.woff2" as="font" type="font/woff2" crossorigin />
    <link rel="preload" href="/fonts/geneva-12.woff2" as="font" type="font/woff2" crossorigin />
    <link rel="preload" href="/fonts/LucidaGrande.woff2" as="font" type="font/woff2" crossorigin />

    <!-- Preload critical JSON data -->
    <link rel="preload" href="/data/filesystem.json" as="fetch" type="application/json" crossorigin />
    <link rel="preload" href="/data/applets.json" as="fetch" type="application/json" crossorigin />

    <!-- Open Graph / Facebook -->
    <meta property="og:type" content="website" />
    <meta property="og:url" content="https://os.ryo.lu/" />
    <meta property="og:title" content="ryOS" />
    <meta
      property="og:description"
      content="An AI OS experience, made with Cursor"
    />
    <meta property="og:image" content="https://os.ryo.lu/icons/mac-512.png" />
    <meta property="og:site_name" content="ryOS" />

    <!-- Twitter Card -->
    <meta name="twitter:card" content="summary" />
    <meta name="twitter:title" content="ryOS" />
    <meta
      name="twitter:description"
      content="An AI OS experience, made with Cursor"
    />
    <meta name="twitter:image" content="https://os.ryo.lu/icons/mac-512.png" />

    <title>ryOS</title>

    <!-- Stale bundle detection: reload if cached index.html references missing JS bundles -->
    <script>
      (function() {
        var reloadKey = 'ryos-stale-reload';

        // After a successful recovery redirect (?_cb= present), clear the
        // cooldown flag so listeners below get a fresh attempt.  Without
        // this the 10 s cooldown from the *previous* page load would cause
        // the IIFE to bail and never attach error listeners — leaving the
        // page defenceless if a different chunk still 404s.
        try {
          if (window.location.search.indexOf('_cb=') !== -1) {
            sessionStorage.removeItem(reloadKey);
          }
        } catch (e) { /* sessionStorage may throw */ }

        // Guard to prevent multiple reload attempts on the same page load
        var isReloading = false;

        // ---- error listeners (always attached) ----

        // <script> tag load errors (capture phase)
        window.addEventListener('error', function(event) {
          if (isReloading) return;
          var target = event.target || event.srcElement;
          if (target && target.tagName === 'SCRIPT') {
            var src = target.src || '';
            if (src.indexOf('/assets/') !== -1 && src.indexOf('.js') !== -1) {
              console.error('[ryOS] Bundle failed to load:', src);
              triggerStaleReload('Script tag error: ' + src);
            }
          }
        }, true);

        // Dynamic import / module failures (unhandled rejections)
        window.addEventListener('unhandledrejection', function(event) {
          if (isReloading) return;
          var reason = event.reason;
          if (!reason) return;

          var message = reason.message || String(reason);
          var stack = reason.stack || '';

          var isModuleError =
            message.indexOf('dynamically imported module') !== -1 ||
            message.indexOf('Loading module') !== -1 ||
            message.indexOf('module script failed') !== -1 ||
            message.indexOf('Unable to preload CSS') !== -1;

          var isAssetError =
            (message.indexOf('/assets/') !== -1 && message.indexOf('.js') !== -1) ||
            (stack.indexOf('/assets/') !== -1 && stack.indexOf('.js') !== -1);

          if (isModuleError || isAssetError) {
            console.error('[ryOS] Module import failed:', message);
            triggerStaleReload('Module import error: ' + message);
          }
        });

        // ---- recovery flow ----

        function triggerStaleReload(reason) {
          if (isReloading) return;

          // Counter-based loop guard (shared with prefetch.ts and main.tsx)
          var countKey = 'ryos:reload-count';
          var windowKey = 'ryos:reload-window-start';
          try {
            var now = Date.now();
            var count = parseInt(sessionStorage.getItem(countKey) || '0', 10);
            var wStart = parseInt(sessionStorage.getItem(windowKey) || '0', 10);
            if (wStart && now - wStart <= 60000 && count >= 3) {
              console.warn('[ryOS] Too many reloads (' + count + '), stopping to prevent loop');
              return;
            }
            if (!wStart || now - wStart > 60000) {
              sessionStorage.setItem(windowKey, String(now));
              sessionStorage.setItem(countKey, '1');
            } else {
              sessionStorage.setItem(countKey, String(count + 1));
            }
          } catch (e) { /* sessionStorage may throw */ }

          // Cooldown check — prevent rapid-fire reloads (10 s window)
          var lastReload = sessionStorage.getItem(reloadKey);
          if (lastReload && (Date.now() - parseInt(lastReload, 10)) < 10000) {
            console.warn('[ryOS] Recently reloaded for stale bundle, skipping to prevent loop');
            return;
          }

          isReloading = true;
          console.warn('[ryOS] Stale bundle detected, clearing caches and reloading...', reason);
          sessionStorage.setItem(reloadKey, String(Date.now()));

          if (window.caches) {
            caches.keys().then(function(names) {
              return Promise.all(names.map(function(name) {
                return caches.delete(name);
              }));
            }).then(function() {
              console.log('[ryOS] Caches cleared');
              doReload();
            }).catch(function() {
              doReload();
            });
          } else {
            doReload();
          }
        }

        function doReload() {
          if (navigator.serviceWorker) {
            navigator.serviceWorker.getRegistration().then(function(reg) {
              if (reg) {
                reg.unregister().then(function() {
                  console.log('[ryOS] Service worker unregistered');
                  forceReload();
                }).catch(function() {
                  forceReload();
                });
              } else {
                forceReload();
              }
            }).catch(function() {
              forceReload();
            });
          } else {
            forceReload();
          }
        }

        function forceReload() {
          var url = new URL(window.location.href);
          url.searchParams.set('_cb', Date.now());
          window.location.replace(url.toString());
        }
      })();
    </script>
  </head>
  <body style="background-color: black">
    <div id="root"></div>
    <script src="/app-config.js"></script>
    <script type="module" src="/src/main.tsx"></script>
  </body>
</html>