Fix error with string interpolation (#1509)

* Some additions in Russian localization

* Another additions in Russian localization

* Fix errors with single quotes

* Fix error with string interpolation

Must use backticks instead quotes

* Add fallback for browsers without Intl support

Not sure if it's right, since I don't have a browser without Intl support

* Add changes for PR[#1509]

* Code formatting

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Changed
 - Moved `botAvatarImage` and `userAvatarImage` to `styleOptions.botAvatarImage` and `styleOptions.userAvatarImage` respectively, in PR [#1486](https://github.com/Microsoft/BotFramework-WebChat/pull/1486)
+- Fix string interpolation error in Russian localization and fallback for browsers without Intl support by [@odysseus1973](https://github.com/odysseus1973) in PR [#1509](https://github.com/Microsoft/BotFramework-WebChat/pull/1509)
 
 ### Fixed
 - Fix [#1360](https://github.com/Microsoft/BotFramework-WebChat/issues/1360). Added `roles` to components of Web Chat, by [@corinagum](https://github.com/corinagum) in PR [#1462](https://github.com/Microsoft/BotFramework-WebChat/pull/1462)

packages/component/src/Localization/ru-RU.js

@@ -9,21 +9,32 @@ function xMinutesAgo(date) {
   } else if (deltaInMinutes === 1) {
     return 'Минуту назад';
   } else if (deltaInHours < 1 && deltaInMinutes < 5) {
-    return '${ deltaInMinutes } минуты назад';
+    return `${ deltaInMinutes } минуты назад`;
   } else if (deltaInHours < 1 && deltaInMinutes >= 5) {
-    return '${ deltaInMinutes } минут назад';
+    return `${ deltaInMinutes } минут назад`;
   } else if (deltaInHours === 1) {
     return 'Час назад';
   } else if (deltaInHours < 5) {
-    return '${ deltaInHours } часа назад';
+    return `${ deltaInHours } часа назад`;
   } else if (deltaInHours <= 24) {
     return 'Сегодня';
   } else if (deltaInHours <= 48) {
     return 'Вчера';
   } else if (deltaInHours <= 72) {
     return 'Позавчера';
-  } else {
+  } else if (window.Intl) {
     return new Intl.DateTimeFormat('ru-RU').format(date);
+  } else {
+    return date.toLocaleString(
+      'ru-RU',
+      {
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+        hour: '2-digit',
+        minute: '2-digit'
+      }
+    );
   }
 }