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* 🛟 fix: Auto-Recover from Stale Service Worker Assets After Deploys - 404 missing static assets in the SPA fallback instead of serving index.html - inline recovery script unregisters stale SWs and reloads once on chunk failure - route vite:preloadError into the same recovery path for stale lazy chunks * 🛟 fix: Address Review — SW-Side Recovery, Scoped Unregister, Shared Fallback - importScripts'd sw-heal.js pings window clients on activation and reloads ones that can't pong: stale pages carry no recovery code of their own - scope SW unregistration to the deployment base for subpath installs - preventDefault vite:preloadError only when a recovery reload was initiated - extract createSpaFallback and apply the asset 404 guard to experimental.js
143 lines
5 KiB
HTML
143 lines
5 KiB
HTML
<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta charset="utf-8" />
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<base href="/" />
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<meta name="theme-color" content="#171717" />
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<meta name="mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="description" content="LibreChat - An open source chat application with support for multiple AI models" />
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<title>LibreChat</title>
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<link rel="icon" type="image/png" sizes="32x32" href="assets/favicon-32x32.png" />
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<link rel="icon" type="image/png" sizes="16x16" href="assets/favicon-16x16.png" />
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<link rel="apple-touch-icon" href="assets/apple-touch-icon-180x180.png" />
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<meta name="viewport" content="width=device-width, initial-scale=1, interactive-widget=resizes-content" />
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<style>
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html,
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body {
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margin: 0;
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padding: 0;
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height: 100%;
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}
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</style>
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<script>
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const theme = localStorage.getItem('color-theme');
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const loadingContainerStyle = document.createElement('style');
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let backgroundColor;
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if (theme === 'dark') {
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backgroundColor = '#0d0d0d';
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} else if (theme === 'light') {
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backgroundColor = '#ffffff';
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} else if (theme === 'system') {
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const prefersDarkScheme = window.matchMedia('(prefers-color-scheme: dark)').matches;
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backgroundColor = prefersDarkScheme ? '#0d0d0d' : '#ffffff';
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} else {
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backgroundColor = '#ffffff';
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}
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loadingContainerStyle.innerHTML = `
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#loading-container {
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display: flex;
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align-items: center;
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justify-content: center;
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height: 100vh;
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background-color: ${backgroundColor};
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}
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`;
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document.head.appendChild(loadingContainerStyle);
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</script>
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<script>
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(function () {
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var KEY = 'lc-asset-recovery-at';
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function shouldRecover() {
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try {
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var last = Number(sessionStorage.getItem(KEY)) || 0;
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if (Date.now() - last < 60000) {
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return false;
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}
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sessionStorage.setItem(KEY, String(Date.now()));
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return true;
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} catch (e) {
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return false;
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}
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}
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/** Recovers from stale builds (e.g. an outdated service worker serving old
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* hashed chunks after a deploy) by unregistering workers and reloading once.
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* Returns true when a recovery reload was initiated. */
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window.__lcRecoverStaleAssets = function () {
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if (!shouldRecover()) {
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return false;
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}
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var reload = function () {
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window.location.reload();
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};
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if (navigator.serviceWorker) {
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var scopeBase = new URL('./', document.baseURI || window.location.href).href;
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navigator.serviceWorker
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.getRegistrations()
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.then(function (registrations) {
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return Promise.all(
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registrations
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.filter(function (registration) {
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return registration.scope.indexOf(scopeBase) === 0;
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})
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.map(function (registration) {
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return registration.unregister();
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}),
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);
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})
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.then(reload, reload);
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} else {
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reload();
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}
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return true;
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};
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if (navigator.serviceWorker) {
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navigator.serviceWorker.addEventListener('message', function (event) {
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if (!event.data || event.data.type !== 'LC_SW_PING') {
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return;
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}
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var source = event.source || navigator.serviceWorker.controller;
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if (source) {
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source.postMessage({ type: 'LC_SW_PONG' });
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}
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});
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}
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window.addEventListener(
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'error',
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function (event) {
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var el = event.target;
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if (!el || !el.tagName) {
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return;
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}
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var failedScript = el.tagName === 'SCRIPT' && el.src;
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var failedPreload =
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el.tagName === 'LINK' && /preload/.test(el.rel || '') && /\.js$/.test(el.href || '');
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if (failedScript || failedPreload) {
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window.__lcRecoverStaleAssets();
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}
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},
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true,
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);
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window.addEventListener('unhandledrejection', function (event) {
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var message = event.reason && event.reason.message;
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if (
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typeof message === 'string' &&
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(message.indexOf('dynamically imported module') !== -1 ||
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message.indexOf('Importing a module script failed') !== -1)
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) {
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window.__lcRecoverStaleAssets();
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}
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});
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})();
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</script>
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<script defer type="module" src="/src/main.jsx"></script>
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</head>
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<body>
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<div id="root">
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<div id="loading-container"></div>
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</div>
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</body>
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</html>
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