JavaScript/jQuery Chat - AI and Chatbot Integration

$(() => { const store = []; const messages = []; DevExpress.localization.loadMessages({ en: { 'dxChat-emptyListMessage': 'Chat is Empty', 'dxChat-emptyListPrompt': 'AI Assistant is ready to answer your questions.', 'dxChat-textareaPlaceholder': 'Ask AI Assistant...', }, }); const chatService = new AzureOpenAI({ dangerouslyAllowBrowser: true, deployment, endpoint, apiVersion, apiKey, }); async function getAIResponse(messages) { const params = { messages, model: deployment, max_tokens: 1000, temperature: 0.7, }; const response = await chatService.chat.completions.create(params); const data = { choices: response.choices }; return data.choices[0].message?.content; } function alertLimitReached() { instance.option({ alerts: [{ message: 'Request limit reached, try again in a minute.', }], }); setTimeout(() => { instance.option({ alerts: [] }); }, ALERT_TIMEOUT); } function toggleDisabledState(disabled, event) { instance.element().toggleClass(CHAT_DISABLED_CLASS, disabled); if (disabled) { event?.target.blur(); } else { event?.target.focus(); } } async function processMessageSending(message, event) { toggleDisabledState(true, event); messages.push({ role: 'user', content: message.text }); instance.option({ typingUsers: [assistant] }); try { const aiResponse = await getAIResponse(messages); setTimeout(() => { instance.option({ typingUsers: [] }); messages.push({ role: 'assistant', content: aiResponse }); renderAssistantMessage(aiResponse); }, 200); } catch { instance.option({ typingUsers: [] }); messages.pop(); alertLimitReached(); } finally { toggleDisabledState(false, event); } } async function regenerate() { toggleDisabledState(true); try { const aiResponse = await getAIResponse(messages.slice(0, -1)); updateLastMessage(aiResponse); messages.at(-1).content = aiResponse; } catch { updateLastMessage(messages.at(-1).content); alertLimitReached(); } finally { toggleDisabledState(false); } } function renderAssistantMessage(text) { const message = { id: Date.now(), timestamp: new Date(), author: assistant, text, }; dataSource.store().push([{ type: 'insert', data: message }]); } function updateLastMessage(text) { const items = dataSource.items(); const lastMessage = items.at(-1); const data = { text: text ?? REGENERATION_TEXT, }; dataSource.store().push([{ type: 'update', key: lastMessage.id, data, }]); } function convertToHtml(value) { const result = unified() .use(remarkParse) .use(remarkRehype) .use(rehypeMinifyWhitespace) .use(rehypeStringify) .processSync(value) .toString(); return result; } function onCopyButtonClick(component, text) { navigator.clipboard?.writeText(text); component.option({ icon: 'check' }); setTimeout(() => { component.option({ icon: 'copy' }); }, 2500); } function onRegenerateButtonClick() { if (instance.option('alerts').length) { return; } updateLastMessage(); regenerate(); } function renderMessageContent(message, element) { $('<div>') .addClass('chat-messagebubble-text') .html(convertToHtml(message.text)) .appendTo(element); const $buttonContainer = $('<div>') .addClass('bubble-button-container'); $('<div>') .dxButton({ icon: 'copy', stylingMode: 'text', hint: 'Copy', onClick: ({ component }) => { onCopyButtonClick(component, message.text); }, }) .appendTo($buttonContainer); $('<div>') .dxButton({ icon: 'refresh', stylingMode: 'text', hint: 'Regenerate', onClick: onRegenerateButtonClick, }) .appendTo($buttonContainer); $buttonContainer.appendTo(element); } const customStore = new DevExpress.data.CustomStore({ key: 'id', load: () => { const d = $.Deferred(); setTimeout(() => { d.resolve([...store]); }); return d.promise(); }, insert: (message) => { const d = $.Deferred(); setTimeout(() => { store.push(message); d.resolve(); }); return d.promise(); }, }); const dataSource = new DevExpress.data.DataSource({ store: customStore, paginate: false, }); const instance = $('#dx-ai-chat').dxChat({ user, height: 710, dataSource, reloadOnChange: false, showAvatar: false, showDayHeaders: false, onMessageEntered: (e) => { const { message, event } = e; dataSource.store().push([{ type: 'insert', data: { id: Date.now(), ...message } }]); if (!instance.option('alerts').length) { processMessageSending(message, event); } }, messageTemplate: (data, element) => { const { message } = data; if (message.text === REGENERATION_TEXT) { element.text(REGENERATION_TEXT); return; } renderMessageContent(message, element); }, }).dxChat('instance'); });