Function canAppendIncrementally

src/screens/replMessageSignals.ts:184–197

(
  previous: ReplMessageSignalState,
  messages: Message[],
)

}

function canAppendIncrementally(
  previous: ReplMessageSignalState,
  messages: Message[],
): boolean {
  if (messages.length <= previous.messageCount) {
    return false
  }

  if (previous.messageCount === 0) {
    return true
  }

  return messages[previous.messageCount - 1] === previous.lastMessageRef
}

function applyAppendedPromptSignals(
  previous: PromptInputMessageSignals,