fix: updated some generics for groups

Update generics for groups and client creation

src/index.ts

@@ -125,10 +125,12 @@ export async function sendMessageToGroup(
   )
 }
 
-export async function groupMessages(
-  client: Client<any>,
+export async function groupMessages<
+  ContentTypes extends DefaultContentTypes = DefaultContentTypes,
+>(
+  client: Client<ContentTypes>,
   id: string
-): Promise<DecodedMessage[]> {
+): Promise<DecodedMessage<ContentTypes>[]> {
   const messages = await XMTPModule.groupMessages(client.address, id)
   return messages.map((json: string) => {
     return DecodedMessage.from(json, client)

src/lib/Client.ts

@@ -51,15 +51,15 @@ export class Client<
   >(
     wallet: Signer | WalletClient | null,
     opts?: Partial<ClientOptions> & { codecs?: ContentCodecs }
-  ): Promise<Client<DefaultContentTypes>> {
+  ): Promise<Client<ContentCodecs>> {
     const options = defaultOptions(opts)
     const { enableSubscription, createSubscription } =
       this.setupSubscriptions(options)
     const signer = getSigner(wallet)
     if (!signer) {
       throw new Error('Signer is not configured')
     }
-    return new Promise<Client<DefaultContentTypes>>((resolve, reject) => {
+    return new Promise<Client<ContentCodecs>>((resolve, reject) => {
       ;(async () => {
         this.signSubscription = XMTPModule.emitter.addListener(
           'sign',

src/lib/Group.ts

@@ -68,7 +68,7 @@ export class Group<
     }
   }
 
-  async messages(): Promise<DecodedMessage[]> {
+  async messages(): Promise<DecodedMessage<ContentTypes>[]> {
     return await XMTP.groupMessages(this.client, this.id)
   }