Chat: Add TextMessage's custom fields & fix types issues

Author: Ruslan Farkhutdinov

packages/devextreme/js/ui/chat.d.ts

@@ -273,13 +273,13 @@ export type MessageBase = {
  * @namespace DevExpress.ui.dxChat
  * @inherits MessageBase
  */
-export type TextMessage<TAttachment extends Attachment = Attachment> = MessageBase & {
+export type TextMessage = MessageBase & {
     /**
      * @docid
      * @public
      * @type Array<Attachment>
      */
-    attachments?: TAttachment[];
+    attachments?: Attachment[];
     /**
      * @docid
      * @public
@@ -290,6 +290,8 @@ export type TextMessage<TAttachment extends Attachment = Attachment> = MessageBa
      * @public
      */
     isEdited?: boolean;
+
+    [key: string]: any;
 };
 
 /**
@@ -353,7 +355,7 @@ export interface dxChatOptions extends WidgetOptions<dxChat> {
      * @type dxFileUploaderOptions
      * @public
      */
-    fileUploaderOptions?: Omit<FileUploaderOptions, 'dialogTrigger' | 'showFileList' | 'uploadMode '>;
+    fileUploaderOptions?: Omit<FileUploaderOptions, 'dialogTrigger' | 'showFileList' | 'uploadMode'>;
     /**
      * @docid
      * @default true
@@ -494,7 +496,7 @@ export interface dxChatOptions extends WidgetOptions<dxChat> {
      * @action
      * @public
      */
-    onTypingStart?: ((e: TypingEndEvent) => void) | undefined ;
+    onTypingStart?: ((e: TypingStartEvent) => void) | undefined ;
     /**
      * @docid
      * @default undefined

packages/devextreme/ts/dx.all.d.ts

@@ -11313,7 +11313,7 @@ declare module DevExpress.ui {
      */
     fileUploaderOptions?: Omit<
       DevExpress.ui.dxFileUploader.Properties,
-      'dialogTrigger' | 'showFileList' | 'uploadMode '
+      'dialogTrigger' | 'showFileList' | 'uploadMode'
     >;
     /**
      * [descr:dxChatOptions.focusStateEnabled]
@@ -11430,7 +11430,7 @@ declare module DevExpress.ui {
      * [descr:dxChatOptions.onTypingStart]
      */
     onTypingStart?:
-      | ((e: DevExpress.ui.dxChat.TypingEndEvent) => void)
+      | ((e: DevExpress.ui.dxChat.TypingStartEvent) => void)
       | undefined;
     /**
      * [descr:dxChatOptions.onTypingEnd]
@@ -34030,21 +34030,22 @@ declare module DevExpress.ui.dxChat {
   /**
    * [descr:TextMessage]
    */
-  export type TextMessage<TAttachment extends Attachment = Attachment> =
-    MessageBase & {
-      /**
-       * [descr:TextMessage.attachments]
-       */
-      attachments?: TAttachment[];
-      /**
-       * [descr:TextMessage.text]
-       */
-      text?: string;
-      /**
-       * [descr:TextMessage.isEdited]
-       */
-      isEdited?: boolean;
-    };
+  export type TextMessage = MessageBase & {
+    /**
+     * [descr:TextMessage.attachments]
+     */
+    attachments?: Attachment[];
+    /**
+     * [descr:TextMessage.text]
+     */
+    text?: string;
+    /**
+     * [descr:TextMessage.isEdited]
+     */
+    isEdited?: boolean;
+
+    [key: string]: any;
+  };
   /**
    * [descr:User]
    */