chore: cleaner example file

Example/example.ts

@@ -1,10 +1,8 @@
 import { readFileSync, writeFileSync } from "fs"
 import P from "pino"
 import { Boom } from "@hapi/boom"
-import makeWASocket, { WASocket, AuthenticationState, DisconnectReason, AnyMessageContent, BufferJSON, initInMemoryKeyStore, delay } from '../src'
+import makeWASocket, { AuthenticationState, DisconnectReason, AnyMessageContent, BufferJSON, initInMemoryKeyStore, delay } from '../src'
 
-(async() => {
-    let sock: WASocket | undefined = undefined
 // load authentication state from a file
 const loadState = () => {
     let state: AuthenticationState | undefined = undefined
@@ -23,9 +21,8 @@ import makeWASocket, { WASocket, AuthenticationState, DisconnectReason, AnyMessa
     return state
 }
 // save the authentication state to a file
-    const saveState = (state?: any) => {
+const saveState = (state: any | undefined) => {
-        console.log('saving pre-keys')
+    console.log('saving auth state')
-        state = state || sock?.authState
     writeFileSync(
         './auth_info_multi.json', 
         // BufferJSON replacer utility saves buffers nicely
@@ -35,11 +32,24 @@ import makeWASocket, { WASocket, AuthenticationState, DisconnectReason, AnyMessa
 
 // start a connection
 const startSock = () => {
-        let sock = makeWASocket({
+    const sock = makeWASocket({
         logger: P({ level: 'trace' }),
         printQRInTerminal: true,
         auth: loadState()
     })
+
+    const sendMessageWTyping = async(msg: AnyMessageContent, jid: string) => {
+        await sock.presenceSubscribe(jid)
+        await delay(500)
+
+        await sock.sendPresenceUpdate('composing', jid)
+        await delay(2000)
+
+        await sock.sendPresenceUpdate('paused', jid)
+
+        await sock.sendMessage(jid, msg)
+    }
+    
     sock.ev.on('messages.upsert', async m => {
         console.log(JSON.stringify(m, undefined, 2))
         
@@ -62,31 +72,19 @@ import makeWASocket, { WASocket, AuthenticationState, DisconnectReason, AnyMessa
         if(connection === 'close') {
             // reconnect if not logged out
             if((lastDisconnect.error as Boom)?.output?.statusCode !== DisconnectReason.loggedOut) {
-                    sock = startSock()
+                startSock()
             } else {
                 console.log('connection closed')
             }
         }
+        
         console.log('connection update', update)
     })
     // listen for when the auth state is updated
     // it is imperative you save this data, it affects the signing keys you need to have conversations
-        sock.ev.on('auth-state.update', () => saveState())
+    sock.ev.on('auth-state.update', () => saveState(sock.authState))
 
     return sock
 }
 
-    const sendMessageWTyping = async(msg: AnyMessageContent, jid: string) => {
+startSock()
-        await sock.presenceSubscribe(jid)
-        await delay(500)
-
-        await sock.sendPresenceUpdate('composing', jid)
-        await delay(2000)
-
-        await sock.sendPresenceUpdate('paused', jid)
-
-        await sock.sendMessage(jid, msg)
-    }
-
-    sock = startSock()
-})()