30. WhatsApp Chat Interface

Build a WhatsApp Chat Interface component in React that allows users to send and display messages.

Requirements

1. Message Display

• Show a list of messages
• Each message should display the text content
• Messages should be displayed in chronological order (oldest first)
• Show a visual distinction between sent and received messages

2. Input Box

• Input field to type new messages
• Send button to submit messages
• Support Enter key to send messages
• Clear input after sending

3. Message Structure

interface Message {
  id: number;
  text: string;
  sender: 'user' | 'other';
  timestamp: Date;
}

4. Layout

• Messages container that scrolls
• Input area fixed at the bottom
• Clean, WhatsApp-like styling

Example Usage

// Initial messages
const initialMessages: Message[] = [
  { id: 1, text: 'Hey! How are you?', sender: 'other', timestamp: new Date() },
  { id: 2, text: 'I am doing great!', sender: 'user', timestamp: new Date() },
];