Function convertChatHistoryToText

packages/components/src/utils.ts:829–847

(chatHistory: IMessage[] | { content: string; role: string }[] = [])

 * @returns {string}
 */
export const convertChatHistoryToText = (chatHistory: IMessage[] | { content: string; role: string }[] = []): string => {
    return chatHistory
        .map((chatMessage) => {
            if (!chatMessage) return ''
            const messageContent = 'message' in chatMessage ? chatMessage.message : chatMessage.content
            if (!messageContent || messageContent.trim() === '') return ''

            const messageType = 'type' in chatMessage ? chatMessage.type : chatMessage.role
            if (messageType === 'apiMessage' || messageType === 'assistant') {
                return `Assistant: ${messageContent}`
            } else if (messageType === 'userMessage' || messageType === 'user') {
                return `Human: ${messageContent}`
            } else {
                return `${messageContent}`
            }
        })
        .filter((message) => message !== '') // Remove empty messages
        .join('\n')
}

/**
 * Serialize array chat history to string