Feature: Typing Indicator on widget and dashboard (#811)

* Adds typing indicator for widget
* typing indicator for agents in dashboard

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/javascript/dashboard/helper/commons.js

@@ -9,3 +9,20 @@ export default () => {
     });
   }
 };
+
+export const getTypingUsersText = (users = []) => {
+  const count = users.length;
+  if (count === 1) {
+    const [user] = users;
+    return `${user.name} is typing`;
+  }
+
+  if (count === 2) {
+    const [first, second] = users;
+    return `${first.name} and ${second.name} are typing`;
+  }
+
+  const [user] = users;
+  const rest = users.length - 1;
+  return `${user.name} and ${rest} others are typing`;
+};