feature/23-voice-room/poc (#93)

Add voice rooms

Co-authored-by: Matt Lorentz <mplorentz@noreply.coracle.social>
Co-committed-by: Matt Lorentz <mplorentz@noreply.coracle.social>

src/lib/livekit.ts

@@ -0,0 +1,23 @@
+const toHttpUrl = (url: string) =>
+  url
+    .replace(/^wss:\/\//, "https://")
+    .replace(/^ws:\/\//, "http://")
+    .replace(/\/$/, "")
+
+const livekitEndpoint = (url: string, groupId?: string) => {
+  const base = `${toHttpUrl(url)}/.well-known/nip29/livekit`
+  return groupId ? `${base}/${groupId}` : base
+}
+
+export const checkRelayHasLivekit = async (url: string): Promise<boolean> => {
+  const endpoint = livekitEndpoint(url)
+
+  try {
+    const response = await fetch(endpoint)
+    return response.status === 204
+  } catch {
+    return false
+  }
+}
+
+export const getLivekitEndpoint = (url: string, groupId: string) => livekitEndpoint(url, groupId)