chatwoot/app/javascript/dashboard/components-next/message/groupWithNext.js

import { MESSAGE_TYPES } from './constants';
/**
 * Determines if a message should be grouped with the next message
 * @param {Number} index - Index of the current message
 * @param {Array} searchList - Array of messages to check
 * @returns {Boolean} - Whether the message should be grouped with next
 */
export default (index, searchList) => {
  if (index === searchList.length - 1) return false;

  const current = searchList[index];
  const next = searchList[index + 1];

  if (next.status === 'failed') return false;

  const nextSenderId = next.senderId ?? next.sender?.id;
  const currentSenderId = current.senderId ?? current.sender?.id;
  const hasSameSender = nextSenderId === currentSenderId;

  const nextMessageType = next.messageType;
  const currentMessageType = current.messageType;

  const areBothTemplates =
    nextMessageType === MESSAGE_TYPES.TEMPLATE &&
    currentMessageType === MESSAGE_TYPES.TEMPLATE;

  if (!hasSameSender || areBothTemplates) return false;

  if (currentMessageType !== nextMessageType) return false;

  // Check if messages are in the same minute by rounding down to nearest minute
  return Math.floor(next.createdAt / 60) === Math.floor(current.createdAt / 60);
};