Chat: rename emptyViewTemplate field from data to texts

Author: Zedwag

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

@@ -272,7 +272,7 @@ class Chat extends Widget<Properties> {
     if (templateOption) {
       return (data, $container): void => {
         const template = this._getTemplateByOption(optionName);
-        const dataFieldName = optionName === 'messageTemplate' ? 'message' : 'data';
+        const dataFieldName = optionName === 'messageTemplate' ? 'message' : 'texts';
 
         template.render({
           container: $container,

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

@@ -287,7 +287,7 @@ export type MessageTemplateData = {
 /** @public */
 export type EmptyViewTemplateData = {
     readonly component: dxChat;
-    readonly data: {
+    readonly texts: {
         readonly message: string;
         readonly prompt: string;
     };

packages/devextreme/testing/tests/DevExpress.ui.widgets/chatParts/chat.tests.js

@@ -807,16 +807,16 @@ QUnit.module('Chat', () => {
                 this.reinit({ emptyViewTemplate });
             });
 
-            QUnit.test('emptyViewTemplate function argument should include data with localized message and prompt', function(assert) {
+            QUnit.test('emptyViewTemplate function argument should include texts field with localized message and prompt', function(assert) {
                 assert.expect(2);
 
                 const defaultLocale = localization.locale();
                 const localizedEmptyListMessage = 'Lista wiadomości jest pusta';
                 const localizedEmptyListPrompt = 'Napisz swoją pierwszą wiadomość';
 
-                const emptyViewTemplate = ({ data }) => {
-                    assert.strictEqual(data.message, localizedEmptyListMessage, 'localized message is passed');
-                    assert.strictEqual(data.prompt, localizedEmptyListPrompt, 'localized prompt is passed');
+                const emptyViewTemplate = ({ texts }) => {
+                    assert.strictEqual(texts.message, localizedEmptyListMessage, 'localized message is passed');
+                    assert.strictEqual(texts.prompt, localizedEmptyListPrompt, 'localized prompt is passed');
                 };
 
                 try {

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

@@ -10973,7 +10973,7 @@ declare module DevExpress.ui {
       DevExpress.common.core.events.EventInfo<dxChat>;
     export type EmptyViewTemplateData = {
       readonly component: dxChat;
-      readonly data: {
+      readonly texts: {
         readonly message: string;
         readonly prompt: string;
       };