ngParty · Hotell · Dec 27, 2019 · Dec 29, 2019 · Dec 29, 2019 · Dec 29, 2019
diff --git a/conferences/big-party-v/schedule.tsx b/conferences/big-party-v/schedule.tsx
@@ -1,4 +1,5 @@
 import { styles } from './schedule.styles'
+import { Fragment } from 'react'
 
 const DATA: ScheduleItemModel[] = [
   {
@@ -176,15 +177,15 @@ const ScheduleItem = (props: ScheduleItemModel) => {
 
         {speakerBios.map((item, idx) => {
           return (
-            <>
+            <Fragment key={item.fullName}>
               <SpeakerLink
                 key={item.fullName}
                 link={item.link}
                 fullName={item.fullName}
                 company={item.company}
               />
               {isMultiple ? <br /> : null}
-            </>
+            </Fragment>
           )
         })}
         <div className="ap-m-agenda-item-description-text">{speakerTalk}</div>

diff --git a/globals.d.ts b/globals.d.ts
@@ -5,6 +5,7 @@ declare namespace JSX {
     'amp-analytics': AMP.AmpAnalytics
     'amp-sidebar': AMP.AmpSidebar
     'amp-lightbox': AMP.AmpLightBox
+    'amp-script': AMP.AmpScript
   }
 }
 

diff --git a/pages/big-party-i/index.tsx b/pages/big-party-i/index.tsx
@@ -0,0 +1,5 @@
+import { redirectTo } from '../../shared'
+
+export default redirectTo(
+  'https://www.eventbrite.com/e/ngbigparty-tickets-18241722483'
+)
diff --git a/pages/big-party-ii/index.tsx b/pages/big-party-ii/index.tsx
@@ -0,0 +1,3 @@
+import { redirectTo } from '../../shared'
+
+export default redirectTo('https://www.ngparty.cz/ngBigParty-II')
diff --git a/pages/big-party-iii/index.tsx b/pages/big-party-iii/index.tsx
@@ -0,0 +1,3 @@
+import { redirectTo } from '../../shared'
+
+export default redirectTo('https://www.meetup.com/ngParty/events/231965205/')
diff --git a/shared/environment.ts b/shared/environment.ts
@@ -0,0 +1,10 @@
+import { NextPageContext } from 'next'
+
+export const isClient = typeof window !== 'undefined'
+
+/**
+ *
+ * helper for getInitialProps, if you need to use it with `next export`
+ */
+export const isStaticExport = (ctx: NextPageContext) =>
+  typeof ctx.res!.writeHead !== 'function'
diff --git a/shared/external-redirect.tsx b/shared/external-redirect.tsx
@@ -0,0 +1,49 @@
+import React, { useEffect } from 'react'
+import { NextPageContext } from 'next'
+import Head from 'next/head'
+import { useRouter } from 'next/router'
+
+/**
+ * @experimental
+ *
+ * NOTE: this doesn't work as `http-equiv="refresh"` is forbidden within AMP
+ */
+export const ampRedirectTo = (redirectUrl: string) => {
+  const Redirect = () => {
+    return (
+      <>
+        <Head>
+          <meta http-equiv="refresh" content={`0;url=${redirectUrl}`} />
+        </Head>
+        <p>Redirecting...</p>
+      </>
+    )
+  }
+
+  return Redirect
+}
+
+export const redirectTo = (redirectUrl: string, { external = true } = {}) => {
+  const Redirect = () => {
+    const router = useRouter()
+
+    useEffect(() => {
+      if (external) {
+        window.location.href = redirectUrl
+        return
+      }
+      router.push(redirectUrl)
+    }, [])
+
+    return React.createElement('div', null, 'Redirecting...')
+  }
+
+  return Redirect
+}
+
+function serverRedirect(res: NextPageContext['res'], redirectUrl: string) {
+  if (res) {
+    res.writeHead(302, { Location: redirectUrl })
+    res.end()
+  }
+}
diff --git a/shared/index.ts b/shared/index.ts
@@ -1 +1,3 @@
 export * from './data'
+export * from './external-redirect'
+export * from './environment'
diff --git a/typings/amp.d.ts b/typings/amp.d.ts
@@ -1,4 +1,13 @@
 declare namespace AMP {
+  type Layouts =
+    | 'responsive'
+    | 'fixed'
+    | 'fill'
+    | 'fixed-height'
+    | 'flex-item'
+    | 'container'
+    | 'nodisplay'
+    | 'intrinsic'
   interface AmpBaseElement extends JSX.IntrinsicAttributes {}
 
   interface AmpLightBox extends AmpBaseElement {
@@ -18,15 +27,7 @@ declare namespace AMP {
     src?: string
     width?: string
     height?: string
-    layout?:
-      | 'responsive'
-      | 'fixed'
-      | 'fill'
-      | 'fixed-height'
-      | 'flex-item'
-      | 'container'
-      | 'nodisplay'
-      | 'intrinsic'
+    layout?: Layouts
     className?: string
     children?: React.ReactNode
   }
@@ -42,4 +43,13 @@ declare namespace AMP {
     children?: React.ReactNode
   }
   interface AmpAnalytics extends AmpBaseElement {}
+
+  interface AmpScript {
+    width?: string
+    height?: string
+    script?: string
+    src?: string
+    layout?: Layouts
+    children?: React.ReactNode
+  }
 }