fix: 🐛

src/components/MailboxSetting/index.tsx

@@ -47,6 +47,9 @@ export default function MailboxSetting() {
   const saveNewMailboxRelay = (url: string) => {
     if (url === '') return null
     const normalizedUrl = normalizeUrl(url)
+    if (!normalizedUrl) {
+      return t('Invalid relay URL')
+    }
     if (relays.some((r) => r.url === normalizedUrl)) {
       return t('Relay already exists')
     }

src/components/RelaySetsSetting/RelayUrl.tsx

@@ -29,6 +29,9 @@ export default function RelayUrls({ relaySetId }: { relaySetId: string }) {
   const saveNewRelayUrl = () => {
     if (newRelayUrl === '') return
     const normalizedUrl = normalizeUrl(newRelayUrl)
+    if (!normalizedUrl) {
+      return setNewRelayUrlError(t('Invalid relay URL'))
+    }
     if (relaySet.relayUrls.includes(normalizedUrl)) {
       return setNewRelayUrlError(t('Relay already exists'))
     }

src/components/SaveRelayDropdownMenu/index.tsx

@@ -23,7 +23,7 @@ export default function SaveRelayDropdownMenu({
 }) {
   const { t } = useTranslation()
   const { relaySets } = useRelaySets()
-  const normalizedUrls = useMemo(() => urls.map((url) => normalizeUrl(url)), [urls])
+  const normalizedUrls = useMemo(() => urls.map((url) => normalizeUrl(url)).filter(Boolean), [urls])
   const alreadySaved = useMemo(
     () => relaySets.some((set) => normalizedUrls.every((url) => set.relayUrls.includes(url))),
     [relaySets, normalizedUrls]

src/lib/event.ts

@@ -142,6 +142,7 @@ export function getRelayListFromRelayListEvent(event?: Event) {
     if (!url || !isWebsocketUrl(url)) return
 
     const normalizedUrl = normalizeUrl(url)
+    if (!normalizedUrl) return
     switch (type) {
       case 'write':
         relayList.write.push(normalizedUrl)

src/lib/url.ts

@@ -4,15 +4,20 @@ export function isWebsocketUrl(url: string): boolean {
 
 // copy from nostr-tools/utils
 export function normalizeUrl(url: string): string {
-  if (url.indexOf('://') === -1) url = 'wss://' + url
-  const p = new URL(url)
-  p.pathname = p.pathname.replace(/\/+/g, '/')
-  if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
-  if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:'))
-    p.port = ''
-  p.searchParams.sort()
-  p.hash = ''
-  return p.toString()
+  try {
+    if (url.indexOf('://') === -1) url = 'wss://' + url
+    const p = new URL(url)
+    p.pathname = p.pathname.replace(/\/+/g, '/')
+    if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
+    if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:'))
+      p.port = ''
+    p.searchParams.sort()
+    p.hash = ''
+    return p.toString()
+  } catch {
+    console.error('Invalid URL:', url)
+    return ''
+  }
 }
 
 export function normalizeHttpUrl(url: string): string {

src/providers/FeedProvider.tsx

@@ -56,7 +56,7 @@ export function FeedProvider({ children }: { children: React.ReactNode }) {
         const temporaryRelayUrls = searchParams
           .getAll('r')
           .map((url) => normalizeUrl(url))
-          .filter((url) => isWebsocketUrl(url))
+          .filter((url) => url && isWebsocketUrl(url))
         if (temporaryRelayUrls.length) {
           return await switchFeed('temporary', { temporaryRelayUrls })
         }