🎉 feat: add Banner component (#435)

components/Banner.tsx

@@ -0,0 +1,129 @@
+import { useState, useEffect } from 'react'
+
+interface BannerProps {
+  storageKey: string
+}
+
+export function Banner({ storageKey }: BannerProps) {
+  const [isVisible, setIsVisible] = useState(false)
+
+  useEffect(() => {
+    const dismissed = localStorage.getItem(`nextra-banner-${storageKey}`)
+    if (!dismissed) {
+      setIsVisible(true)
+    }
+  }, [storageKey])
+
+  const handleDismiss = () => {
+    localStorage.setItem(`nextra-banner-${storageKey}`, 'true')
+    setIsVisible(false)
+  }
+
+  if (!isVisible) return null
+
+  return (
+    <div className="nextra-banner-container">
+      <div className="nextra-banner-content">
+        <div className="nextra-banner-text">
+          LibreChat is joining <span className="clickhouse-highlight">ClickHouse</span> to power the
+          open-source Agentic Data Stack 🎉{' '}
+          <a
+            href="http://clickhouse.com/blog/librechat-open-source-agentic-data-stack"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            Learn More ↗
+          </a>
+        </div>
+        <button className="nextra-banner-close" onClick={handleDismiss} aria-label="Dismiss banner">
+          <svg
+            xmlns="http://www.w3.org/2000/svg"
+            width="20"
+            height="20"
+            viewBox="0 0 24 24"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="2"
+            strokeLinecap="round"
+            strokeLinejoin="round"
+          >
+            <line x1="18" y1="6" x2="6" y2="18"></line>
+            <line x1="6" y1="6" x2="18" y2="18"></line>
+          </svg>
+        </button>
+      </div>
+      <style jsx>{`
+        .nextra-banner-container {
+          background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
+          color: #ffffff;
+          text-align: center;
+          font-size: 14px;
+          font-weight: 500;
+          padding: 12px 16px;
+          position: relative;
+          z-index: 1000;
+          border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+        }
+        .nextra-banner-content {
+          max-width: 90rem;
+          margin: 0 auto;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          gap: 16px;
+          position: relative;
+        }
+        .nextra-banner-text {
+          flex: 1;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          gap: 8px;
+          flex-wrap: wrap;
+        }
+        .nextra-banner-text :global(.clickhouse-highlight) {
+          background-color: rgb(250, 255, 105);
+          color: rgb(21, 21, 21);
+          font-weight: 700;
+          padding: 2px 6px;
+          clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%);
+          display: inline-block;
+        }
+        .nextra-banner-text :global(a) {
+          color: #ffffff;
+          text-decoration: underline;
+          font-weight: 600;
+          transition: opacity 0.2s;
+        }
+        .nextra-banner-text :global(a:hover) {
+          opacity: 0.7;
+        }
+        .nextra-banner-close {
+          background: transparent;
+          border: none;
+          cursor: pointer;
+          padding: 4px;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          color: #ffffff;
+          opacity: 0.7;
+          transition: opacity 0.2s;
+          flex-shrink: 0;
+        }
+        .nextra-banner-close:hover {
+          opacity: 1;
+        }
+        @media (max-width: 768px) {
+          .nextra-banner-container {
+            font-size: 13px;
+            padding: 10px 12px;
+          }
+          .nextra-banner-content {
+            gap: 12px;
+          }
+        }
+      `}</style>
+    </div>
+  )
+}

pages/_app.tsx

@@ -2,16 +2,17 @@ import '../style.css'
 import 'vidstack/styles/base.css'
 import '../src/overrides.css'
 // import Script from 'next/script'
+import posthog from 'posthog-js'
 import { useEffect } from 'react'
 import { useRouter } from 'next/router'
-import posthog from 'posthog-js'
-import { PostHogProvider } from 'posthog-js/react'
-import { CrispWidget } from '@/components/supportChat'
-import { Hubspot, hsPageView } from '@/components/analytics/hubspot'
 import { GeistSans } from 'geist/font/sans'
+import { GeistMono } from 'geist/font/mono'
+import { PostHogProvider } from 'posthog-js/react'
 import { Analytics } from '@vercel/analytics/react'
 import { SpeedInsights } from '@vercel/speed-insights/next'
-import { GeistMono } from 'geist/font/mono'
+import { Hubspot, hsPageView } from '@/components/analytics/hubspot'
+import { CrispWidget } from '@/components/supportChat'
+import { Banner } from '@/components/Banner'
 
 export default function App({ Component, pageProps }) {
   const router = useRouter()
@@ -42,6 +43,7 @@ export default function App({ Component, pageProps }) {
     >
       {/* <div className={`${GeistSans.variable}`}> */}
       <PostHogProvider client={posthog}>
+        <Banner storageKey="clickhouse-announcement" />
         <Component {...pageProps} />
         <Analytics />
         <SpeedInsights />