index.js - CometChatMessages - Mention Chat App

index.js

class CometChatMessages extends React.PureComponent {
  ...	
	messageSent = messages => {
		const message = messages[0];
		const messageList = [...this.state.messageList];

		let messageKey = messageList.findIndex(m => m._id === message._id);
		if (messageKey > -1) {
			const newMessageObj = { ...message };
			const transformedMessage = this.messageListRef.transformSingleMessage(newMessageObj);

			messageList.splice(messageKey, 1, transformedMessage);
			messageList.sort((a, b) => a.id - b.id);
			this.setState({ messageList: messageList, scrollToBottom: true });
		}
	};

	//message is received or composed & sent
	appendMessage = message => {
		const cloneObject = {...message[0]};
		const transformedMessage = this.messageListRef.transformSingleMessage(cloneObject);
		let messages = [...this.state.messageList, transformedMessage];
		this.setState({ messageList: messages, scrollToBottom: true });
	};
  ...
}