indexOfGroup method

MessageIndexOfGroup indexOfGroup(
  1. List<Message> messages,
  2. dynamic item
)

Implementation

MessageIndexOfGroup indexOfGroup(List<Message> messages, item) {
  if (messages.length == 1) return MessageIndexOfGroup.none;
  if (messages.indexOf(item) == 0) return MessageIndexOfGroup.top;
  if (messages.indexOf(item) == messages.length - 1) {
    return MessageIndexOfGroup.bottom;
  }
  return MessageIndexOfGroup.center;
}