const error = function (title, text, links) {  if (text == null) {    text = "";  }  if (links == null) {    links = "";  }  if (text) {    text = `<p class="_error-text">${text}</p>`;  }  if (links) {    links = `<p class="_error-links">${links}</p>`;  }  return `<div class="_error"><h1 class="_error-title">${title}</h1>${text}${links}</div>`;}; const back = '<a href="#" data-behavior="back" class="_error-link">Go back</a>'; app.templates.notFoundPage = () =>  error(    " Page not found. ",    " It may be missing from the source documentation or this could be a bug. ",    back,  ); app.templates.pageLoadError = () =>  error(    " The page failed to load. ",    ` It may be missing from the server (try reloading the app) or you could be offline (try <a href="/offline">installing the documentation for offline usage</a> when online again).<br>If you're online and you keep seeing this, you're likely behind a proxy or firewall that blocks cross-domain requests. `,    ` ${back} &middot; <a href="/#${location.pathname}" target="_top" class="_error-link">Reload</a>&middot; <a href="#" class="_error-link" data-retry>Retry</a> `,  ); app.templates.bootError = () =>  error(    " The app failed to load. ",    ` Check your Internet connection and try <a href="#" data-behavior="reload">reloading</a>.<br>If you keep seeing this, you're likely behind a proxy or firewall that blocks cross-domain requests. `,  ); app.templates.offlineError = function (reason, exception) {  if (reason === "cookie_blocked") {    return error(" Cookies must be enabled to use offline mode. ");  }   reason = (() => {    switch (reason) {      case "not_supported":        return ` DevDocs requires IndexedDB to cache documentations for offline access.<br>Unfortunately your browser either doesn't support IndexedDB or doesn't make it available. `;      case "buggy":        return ` DevDocs requires IndexedDB to cache documentations for offline access.<br>Unfortunately your browser's implementation of IndexedDB contains bugs that prevent DevDocs from using it. `;      case "private_mode":        return ` Your browser appears to be running in private mode.<br>This prevents DevDocs from caching documentations for offline access.`;      case "exception":        return ` An error occurred when trying to open the IndexedDB database:<br><code class="_label">${exception.name}: ${exception.message}</code> `;      case "cant_open":        return ` An error occurred when trying to open the IndexedDB database:<br><code class="_label">${exception.name}: ${exception.message}</code><br>This could be because you're browsing in private mode or have disallowed offline storage on the domain. `;      case "version":        return ` The IndexedDB database was modified with a newer version of the app.<br><a href="#" data-behavior="reload">Reload the page</a> to use offline mode. `;      case "empty":        return ' The IndexedDB database appears to be corrupted. Try <a href="#" data-behavior="reset">resetting the app</a>. ';    }  })();   return error("Offline mode is unavailable.", reason);}; app.templates.unsupportedBrowser = `\<div class="_fail">  <h1 class="_fail-title">Your browser is unsupported, sorry.</h1>  <p class="_fail-text">DevDocs is an API documentation browser which supports the following browsers:  <ul class="_fail-list">    <li>Recent versions of Firefox, Chrome, or Opera    <li>Safari 11.1+    <li>Edge 17+    <li>iOS 11.3+  </ul>  <p class="_fail-text">    If you're unable to upgrade, we apologize.    We decided to prioritize speed and new features over support for older browsers.  <p class="_fail-text">    Note: if you're already using one of the browsers above, check your settings and add-ons.    The app uses feature detection, not user agent sniffing.  <p class="_fail-text">    &mdash; <a href="https://twitter.com/DevDocs">@DevDocs</a></div>\`;