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/specs/commons.spec.js

@@ -0,0 +1,26 @@
+import { getTypingUsersText } from '../commons';
+
+describe('#getTypingUsersText', () => {
+  it('returns the correct text is there is only one typing user', () => {
+    expect(getTypingUsersText([{ name: 'Pranav' }])).toEqual(
+      'Pranav is typing'
+    );
+  });
+
+  it('returns the correct text is there are two typing users', () => {
+    expect(
+      getTypingUsersText([{ name: 'Pranav' }, { name: 'Nithin' }])
+    ).toEqual('Pranav and Nithin are typing');
+  });
+
+  it('returns the correct text is there are more than two users are typing', () => {
+    expect(
+      getTypingUsersText([
+        { name: 'Pranav' },
+        { name: 'Nithin' },
+        { name: 'Subin' },
+        { name: 'Sojan' },
+      ])
+    ).toEqual('Pranav and 3 others are typing');
+  });
+});