feat: Added chat.msg_edited event (close #1620) (#1624)

src/chat/events/eventTypes.ts

@@ -75,6 +75,16 @@ export interface ChatEventTypes {
      */
     ids: MsgKey[];
   };
+
+  /**
+   * On Message edit
+   */
+  'chat.msg_edited': {
+    chat: Wid;
+    id: string;
+    msg: MsgModel;
+  };
+
   'chat.live_location_start': {
     id: Wid;
     msgId: MsgKey;

src/chat/events/index.ts

@@ -23,3 +23,4 @@ import './registerPresenceChange';
 import './registerReactionsEvent';
 import './registerRevokeMessageEvent';
 import './registerLabelEvent';
+import './registerEditedMessageEvent';

src/chat/events/registerEditedMessageEvent.ts

@@ -0,0 +1,33 @@
+/*!
+ * Copyright 2021 WPPConnect Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { internalEv } from '../../eventEmitter';
+import * as webpack from '../../webpack';
+import { MsgModel, MsgStore } from '../../whatsapp';
+
+webpack.onFullReady(registerAckMessageEvent);
+
+function registerAckMessageEvent() {
+  MsgStore.on('change:latestEditMsgKey', (msg: MsgModel) => {
+    queueMicrotask(() => {
+      internalEv.emit('chat.msg_edited', {
+        chat: msg.to!,
+        id: msg.id.toString(),
+        msg: msg,
+      });
+    });
+  });
+}

src/util/types.ts

@@ -35,11 +35,8 @@ export type NonFunctionPropertyNames<T> = {
 
 export type NonFunctionProperties<T> = Pick<T, NonFunctionPropertyNames<T>>;
 
-export type IfEquals<X, Y, A = X, B = never> = (<T>() => T extends X
-  ? 1
-  : 2) extends <T>() => T extends Y ? 1 : 2
-  ? A
-  : B;
+export type IfEquals<X, Y, A = X, B = never> =
+  (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y ? 1 : 2 ? A : B;
 
 export type WritablePropertiesNames<T> = {
   [P in keyof T]-?: IfEquals<