Remove varianle NEXT_PUBLIC_BASE_URL

src/app/groups/[groupId]/share-button.tsx

@@ -1,3 +1,4 @@
+'use client'
 import { CopyButton } from '@/components/copy-button'
 import { ShareUrlButton } from '@/components/share-url-button'
 import { Button } from '@/components/ui/button'
@@ -7,7 +8,7 @@ import {
   PopoverContent,
   PopoverTrigger,
 } from '@/components/ui/popover'
-import { env } from '@/lib/env'
+import { useBaseUrl } from '@/lib/hooks'
 import { Group } from '@prisma/client'
 import { Share } from 'lucide-react'
 
@@ -16,7 +17,8 @@ type Props = {
 }
 
 export function ShareButton({ group }: Props) {
-  const url = `${env.NEXT_PUBLIC_BASE_URL}/groups/${group.id}/expenses?ref=share`
+  const baseUrl = useBaseUrl()
+  const url = baseUrl && `${baseUrl}/groups/${group.id}/expenses?ref=share`
 
   return (
     <Popover>
@@ -30,14 +32,16 @@ export function ShareButton({ group }: Props) {
           For other participants to see the group and add expenses, share its
           URL with them.
         </p>
-        <div className="flex gap-2">
-          <Input className="flex-1" defaultValue={url} readOnly />
-          <CopyButton text={url} />
-          <ShareUrlButton
-            text={`Join my group ${group.name} on Spliit`}
-            url={url}
-          />
-        </div>
+        {url && (
+          <div className="flex gap-2">
+            <Input className="flex-1" defaultValue={url} readOnly />
+            <CopyButton text={url} />
+            <ShareUrlButton
+              text={`Join my group ${group.name} on Spliit`}
+              url={url}
+            />
+          </div>
+        )}
         <p>
           <strong>Warning!</strong> Every person with the group URL will be able
           to see and edit expenses. Share with caution!