feat: add legacy connection

src/Types/Events.ts

@@ -0,0 +1,56 @@
+import type EventEmitter from "events"
+
+import { AuthenticationCreds } from './Auth'
+import { Chat, PresenceData } from './Chat'
+import { Contact } from './Contact'
+import { ConnectionState } from './State'
+
+import { GroupMetadata, ParticipantAction } from './GroupMetadata'
+import { MessageInfoUpdate, MessageUpdateType, WAMessage, WAMessageUpdate, WAMessageKey } from './Message'
+
+export type BaileysEventMap<T> = {
+    /** connection state has been updated -- WS closed, opened, connecting etc. */
+	'connection.update': Partial<ConnectionState>
+    /** credentials updated -- some metadata, keys or something */
+    'creds.update': Partial<T>
+    /** set chats (history sync), messages are reverse chronologically sorted */
+    'chats.set': { chats: Chat[], messages: WAMessage[] }
+    /** upsert chats */
+    'chats.upsert': Chat[]
+    /** update the given chats */
+    'chats.update': Partial<Chat>[]
+    /** delete chats with given ID */
+    'chats.delete': string[]
+    /** presence of contact in a chat updated */
+    'presence.update': { id: string, presences: { [participant: string]: PresenceData }  }
+
+    'contacts.upsert': Contact[]
+    'contacts.update': Partial<Contact>[] 
+    
+    'messages.delete': { keys: WAMessageKey[] } | { jid: string, all: true }
+    'messages.update': WAMessageUpdate[]
+    /** 
+     * add/update the given messages. If they were received while the connection was online, 
+     * the update will have type: "notify"
+     *  */
+    'messages.upsert': { messages: WAMessage[], type: MessageUpdateType }
+
+    'message-info.update': MessageInfoUpdate[]
+
+    'groups.upsert': GroupMetadata[]
+    'groups.update': Partial<GroupMetadata>[]
+    /** apply an action to participants in a group */
+    'group-participants.update': { id: string, participants: string[], action: ParticipantAction }
+
+    'blocklist.set': { blocklist: string[] }
+    'blocklist.update': { blocklist: string[], type: 'add' | 'remove' }
+}
+
+export interface CommonBaileysEventEmitter<Creds> extends EventEmitter {
+	on<T extends keyof BaileysEventMap<Creds>>(event: T, listener: (arg: BaileysEventMap<Creds>[T]) => void): this
+    off<T extends keyof BaileysEventMap<Creds>>(event: T, listener: (arg: BaileysEventMap<Creds>[T]) => void): this
+    removeAllListeners<T extends keyof BaileysEventMap<Creds>>(event: T): this
+	emit<T extends keyof BaileysEventMap<Creds>>(event: T, arg: BaileysEventMap<Creds>[T]): boolean
+}
+
+export type BaileysEventEmitter = CommonBaileysEventEmitter<AuthenticationCreds>