Compare commits
7 Commits
| Author | SHA1 | Date | |
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ea62204d8e | ||
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3bafcbafed | ||
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1a00f27c6a | ||
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1bcbd3e37d | ||
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e88770dd3f | ||
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5cef15c032 | ||
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970d1ac3ed |
@@ -65,8 +65,8 @@
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<div id="root"></div>
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<script type="module" src="/src/main.tsx"></script>
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<!-- Cloudflare Web Analytics -->
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<script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "2aecdc025eb043bc89ce931b54a80054"}'></script>
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<!-- Cloudflare Web Analytics - Only in Production -->
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<!--CLOUDFLARE_ANALYTICS_PLACEHOLDER-->
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<!-- End Cloudflare Web Analytics -->
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</body>
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</html>
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@@ -1,7 +1,7 @@
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{
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"name": "litek",
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"private": true,
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"version": "0.0.31",
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"version": "0.0.34",
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"type": "module",
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"scripts": {
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"dev": "vite",
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@@ -53,7 +53,6 @@ const AVAILABLE_CURRENCIES: Currency[] = [
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const REQUIRED_CURRENCIES = ["USD", "CNY"];
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const STORAGE_KEY = "selectedCurrencies";
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const RATES_CACHE_KEY = "currencyRatesCache";
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const Tool: FC = () => {
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const [amounts, setAmounts] = useState<Record<string, string>>({});
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@@ -91,42 +90,13 @@ const Tool: FC = () => {
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}
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}, [selectedCurrencies]);
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// Fetch exchange rates with date-based caching
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// Fetch exchange rates (Service Worker handles caching)
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useEffect(() => {
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const fetchRates = async () => {
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try {
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// 1. Try to load from cache
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const cached = localStorage.getItem(RATES_CACHE_KEY);
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if (cached) {
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try {
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const { rates: cachedRates, date: cachedDate, fetchedAt } = JSON.parse(cached);
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const now = Date.now();
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const twelveHoursInMs = 12 * 60 * 60 * 1000;
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// Strategy: Use cache if it's recent enough (within 12 hours)
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// This handles all edge cases: weekends, holidays, timezone differences
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// Exchange rates update once per day, so 12-hour cache is reasonable
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if (fetchedAt && (now - fetchedAt < twelveHoursInMs)) {
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setRates(cachedRates);
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setLoading(false);
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return;
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} else {
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// Cache is older than 12 hours, show it first then update in background
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setRates(cachedRates);
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setLoading(false);
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// Continue to fetch new data below
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}
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} catch (e) {
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console.error("Failed to parse cached rates:", e);
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}
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}
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// 2. Fetch latest data from network
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setLoading(true);
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const response = await fetch("https://api.frankfurter.app/latest?base=USD", {
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cache: "no-cache",
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});
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// Service Worker will handle caching with StaleWhileRevalidate strategy
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const response = await fetch("https://api.frankfurter.app/latest?base=USD");
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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@@ -134,40 +104,14 @@ const Tool: FC = () => {
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const data = await response.json();
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const allRates: Record<string, number> = { USD: 1, ...data.rates };
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const apiDate = data.date; // Date from API (YYYY-MM-DD format)
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// 3. Update state and cache (with timestamp)
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setRates(allRates);
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localStorage.setItem(
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RATES_CACHE_KEY,
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JSON.stringify({
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rates: allRates,
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date: apiDate,
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fetchedAt: Date.now() // Timestamp when we fetched the data
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})
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);
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} catch (error) {
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// If cache exists, continue using it even if network fails
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const cached = localStorage.getItem(RATES_CACHE_KEY);
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if (cached) {
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try {
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const { rates: cachedRates } = JSON.parse(cached);
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setRates(cachedRates);
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toast.info("Using cached exchange rates (network request failed)");
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} catch (e) {
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console.error("Failed to use cached rates:", e);
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if (error instanceof Error) {
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toast.error(`Failed to fetch rates: ${error.message}`);
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} else {
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toast.error("Failed to fetch rates");
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}
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}
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console.error("Failed to fetch rates:", error);
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if (error instanceof Error) {
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toast.error(`Failed to fetch exchange rates: ${error.message}`);
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} else {
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if (error instanceof Error) {
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toast.error(`Failed to fetch rates: ${error.message}`);
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} else {
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toast.error("Failed to fetch rates");
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}
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toast.error("Failed to fetch exchange rates");
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}
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} finally {
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setLoading(false);
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@@ -1,23 +0,0 @@
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@layer base {
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:root {
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--sidebar: oklch(0.985 0 0);
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--sidebar-foreground: oklch(0.145 0 0);
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--sidebar-primary: oklch(0.205 0 0);
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--sidebar-primary-foreground: oklch(0.985 0 0);
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--sidebar-accent: oklch(0.97 0 0);
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--sidebar-accent-foreground: oklch(0.205 0 0);
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--sidebar-border: oklch(0.922 0 0);
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--sidebar-ring: oklch(0.708 0 0);
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}
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.dark {
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--sidebar: oklch(0.205 0 0);
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--sidebar-foreground: oklch(0.985 0 0);
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--sidebar-primary: oklch(0.488 0.243 264.376);
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--sidebar-primary-foreground: oklch(0.985 0 0);
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--sidebar-accent: oklch(0.269 0 0);
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--sidebar-accent-foreground: oklch(0.985 0 0);
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--sidebar-border: oklch(1 0 0 / 10%);
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--sidebar-ring: oklch(0.439 0 0);
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}
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}
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110
src/index.css
110
src/index.css
@@ -42,72 +42,72 @@
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}
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:root {
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--radius: 0.625rem;
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--radius: 0.65rem;
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--background: oklch(1 0 0);
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--foreground: oklch(0.13 0.028 261.692);
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--foreground: oklch(0.141 0.005 285.823);
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--card: oklch(1 0 0);
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--card-foreground: oklch(0.13 0.028 261.692);
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--card-foreground: oklch(0.141 0.005 285.823);
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--popover: oklch(1 0 0);
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--popover-foreground: oklch(0.13 0.028 261.692);
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--primary: oklch(0.21 0.034 264.665);
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--primary-foreground: oklch(0.985 0.002 247.839);
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--secondary: oklch(0.967 0.003 264.542);
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--secondary-foreground: oklch(0.21 0.034 264.665);
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--muted: oklch(0.967 0.003 264.542);
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--muted-foreground: oklch(0.551 0.027 264.364);
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--accent: oklch(0.967 0.003 264.542);
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--accent-foreground: oklch(0.21 0.034 264.665);
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--popover-foreground: oklch(0.141 0.005 285.823);
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--primary: oklch(0.646 0.222 41.116);
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--primary-foreground: oklch(0.98 0.016 73.684);
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--secondary: oklch(0.967 0.001 286.375);
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--secondary-foreground: oklch(0.21 0.006 285.885);
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--muted: oklch(0.967 0.001 286.375);
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--muted-foreground: oklch(0.552 0.016 285.938);
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--accent: oklch(0.967 0.001 286.375);
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--accent-foreground: oklch(0.21 0.006 285.885);
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--destructive: oklch(0.577 0.245 27.325);
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--border: oklch(0.928 0.006 264.531);
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||||
--input: oklch(0.928 0.006 264.531);
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--ring: oklch(0.707 0.022 261.325);
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--chart-1: oklch(0.646 0.222 41.116);
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--chart-2: oklch(0.6 0.118 184.704);
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--chart-3: oklch(0.398 0.07 227.392);
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--chart-4: oklch(0.828 0.189 84.429);
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--chart-5: oklch(0.769 0.188 70.08);
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||||
--sidebar: oklch(0.985 0.002 247.839);
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||||
--sidebar-foreground: oklch(0.13 0.028 261.692);
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||||
--sidebar-primary: oklch(0.21 0.034 264.665);
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||||
--sidebar-primary-foreground: oklch(0.985 0.002 247.839);
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--sidebar-accent: oklch(0.967 0.003 264.542);
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||||
--sidebar-accent-foreground: oklch(0.21 0.034 264.665);
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||||
--sidebar-border: oklch(0.928 0.006 264.531);
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||||
--sidebar-ring: oklch(0.707 0.022 261.325);
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||||
--border: oklch(0.92 0.004 286.32);
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||||
--input: oklch(0.92 0.004 286.32);
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||||
--ring: oklch(0.75 0.183 55.934);
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||||
--chart-1: oklch(0.837 0.128 66.29);
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||||
--chart-2: oklch(0.705 0.213 47.604);
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||||
--chart-3: oklch(0.646 0.222 41.116);
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||||
--chart-4: oklch(0.553 0.195 38.402);
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||||
--chart-5: oklch(0.47 0.157 37.304);
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||||
--sidebar: oklch(0.985 0 0);
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||||
--sidebar-foreground: oklch(0.141 0.005 285.823);
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||||
--sidebar-primary: oklch(0.646 0.222 41.116);
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||||
--sidebar-primary-foreground: oklch(0.98 0.016 73.684);
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||||
--sidebar-accent: oklch(0.967 0.001 286.375);
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||||
--sidebar-accent-foreground: oklch(0.21 0.006 285.885);
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||||
--sidebar-border: oklch(0.92 0.004 286.32);
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||||
--sidebar-ring: oklch(0.75 0.183 55.934);
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||||
}
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||||
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||||
.dark {
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||||
--background: oklch(0.13 0.028 261.692);
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--foreground: oklch(0.985 0.002 247.839);
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||||
--card: oklch(0.21 0.034 264.665);
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||||
--card-foreground: oklch(0.985 0.002 247.839);
|
||||
--popover: oklch(0.21 0.034 264.665);
|
||||
--popover-foreground: oklch(0.985 0.002 247.839);
|
||||
--primary: oklch(0.928 0.006 264.531);
|
||||
--primary-foreground: oklch(0.21 0.034 264.665);
|
||||
--secondary: oklch(0.278 0.033 256.848);
|
||||
--secondary-foreground: oklch(0.985 0.002 247.839);
|
||||
--muted: oklch(0.278 0.033 256.848);
|
||||
--muted-foreground: oklch(0.707 0.022 261.325);
|
||||
--accent: oklch(0.278 0.033 256.848);
|
||||
--accent-foreground: oklch(0.985 0.002 247.839);
|
||||
--background: oklch(0.141 0.005 285.823);
|
||||
--foreground: oklch(0.985 0 0);
|
||||
--card: oklch(0.21 0.006 285.885);
|
||||
--card-foreground: oklch(0.985 0 0);
|
||||
--popover: oklch(0.21 0.006 285.885);
|
||||
--popover-foreground: oklch(0.985 0 0);
|
||||
--primary: oklch(0.705 0.213 47.604);
|
||||
--primary-foreground: oklch(0.98 0.016 73.684);
|
||||
--secondary: oklch(0.274 0.006 286.033);
|
||||
--secondary-foreground: oklch(0.985 0 0);
|
||||
--muted: oklch(0.274 0.006 286.033);
|
||||
--muted-foreground: oklch(0.705 0.015 286.067);
|
||||
--accent: oklch(0.274 0.006 286.033);
|
||||
--accent-foreground: oklch(0.985 0 0);
|
||||
--destructive: oklch(0.704 0.191 22.216);
|
||||
--border: oklch(1 0 0 / 10%);
|
||||
--input: oklch(1 0 0 / 15%);
|
||||
--ring: oklch(0.551 0.027 264.364);
|
||||
--chart-1: oklch(0.488 0.243 264.376);
|
||||
--chart-2: oklch(0.696 0.17 162.48);
|
||||
--chart-3: oklch(0.769 0.188 70.08);
|
||||
--chart-4: oklch(0.627 0.265 303.9);
|
||||
--chart-5: oklch(0.645 0.246 16.439);
|
||||
--sidebar: oklch(0.21 0.034 264.665);
|
||||
--sidebar-foreground: oklch(0.985 0.002 247.839);
|
||||
--sidebar-primary: oklch(0.488 0.243 264.376);
|
||||
--sidebar-primary-foreground: oklch(0.985 0.002 247.839);
|
||||
--sidebar-accent: oklch(0.278 0.033 256.848);
|
||||
--sidebar-accent-foreground: oklch(0.985 0.002 247.839);
|
||||
--ring: oklch(0.408 0.123 38.172);
|
||||
--chart-1: oklch(0.837 0.128 66.29);
|
||||
--chart-2: oklch(0.705 0.213 47.604);
|
||||
--chart-3: oklch(0.646 0.222 41.116);
|
||||
--chart-4: oklch(0.553 0.195 38.402);
|
||||
--chart-5: oklch(0.47 0.157 37.304);
|
||||
--sidebar: oklch(0.21 0.006 285.885);
|
||||
--sidebar-foreground: oklch(0.985 0 0);
|
||||
--sidebar-primary: oklch(0.705 0.213 47.604);
|
||||
--sidebar-primary-foreground: oklch(0.98 0.016 73.684);
|
||||
--sidebar-accent: oklch(0.274 0.006 286.033);
|
||||
--sidebar-accent-foreground: oklch(0.985 0 0);
|
||||
--sidebar-border: oklch(1 0 0 / 10%);
|
||||
--sidebar-ring: oklch(0.551 0.027 264.364);
|
||||
--sidebar-ring: oklch(0.408 0.123 38.172);
|
||||
}
|
||||
|
||||
@layer base {
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@@ -5,10 +5,20 @@ import tailwindcss from "@tailwindcss/vite"
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import { VitePWA } from 'vite-plugin-pwa'
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// https://vite.dev/config/
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export default defineConfig({
|
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export default defineConfig(({ mode }) => ({
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plugins: [
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react(),
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tailwindcss(),
|
||||
// HTML 替换插件 - 仅在生产环境注入 Cloudflare Analytics
|
||||
{
|
||||
name: 'html-transform',
|
||||
transformIndexHtml(html) {
|
||||
const cloudflareScript = mode === 'production'
|
||||
? `<script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "2aecdc025eb043bc89ce931b54a80054"}'></script>`
|
||||
: '';
|
||||
return html.replace('<!--CLOUDFLARE_ANALYTICS_PLACEHOLDER-->', cloudflareScript);
|
||||
}
|
||||
},
|
||||
VitePWA({
|
||||
registerType: 'autoUpdate',
|
||||
includeAssets: ['lite.svg', 'robots.txt', 'sitemap.xml'],
|
||||
@@ -44,6 +54,21 @@ export default defineConfig({
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
// Frankfurter API 汇率缓存
|
||||
urlPattern: /^https:\/\/api\.frankfurter\.app\/.*/i,
|
||||
handler: 'StaleWhileRevalidate',
|
||||
options: {
|
||||
cacheName: 'currency-rates-cache',
|
||||
expiration: {
|
||||
maxEntries: 5,
|
||||
maxAgeSeconds: 60 * 60 * 12 // 12 小时
|
||||
},
|
||||
cacheableResponse: {
|
||||
statuses: [0, 200]
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
// Google Fonts 样式表缓存
|
||||
urlPattern: /^https:\/\/fonts\.googleapis\.com\/.*/i,
|
||||
@@ -130,4 +155,4 @@ export default defineConfig({
|
||||
},
|
||||
chunkSizeWarningLimit: 500,
|
||||
},
|
||||
})
|
||||
}))
|
||||
|
||||
Reference in New Issue
Block a user