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mtm_cl_reactclient

v0.0.2

Published

The `@chainlit/react-client` package provides a set of React hooks as well as an API client to connect to your [Chainlit](https://github.com/Chainlit/chainlit) application from any React application. The package includes hooks for managing chat sessions,

Downloads

7

Readme

Overview

The @chainlit/react-client package provides a set of React hooks as well as an API client to connect to your Chainlit application from any React application. The package includes hooks for managing chat sessions, messages, data, and interactions.

Installation

To install the package, run the following command in your project directory:

npm install @chainlit/react-client

This package use Recoil to manage its state. This means you will have to wrap your application in a recoil provider:

import React from 'react';
import ReactDOM from 'react-dom/client';
import { RecoilRoot } from 'recoil';

import { ChainlitAPI, ChainlitContext } from '@chainlit/react-client';

const CHAINLIT_SERVER_URL = 'http://localhost:8000';

const apiClient = new ChainlitAPI(CHAINLIT_SERVER_URL, 'webapp');

ReactDOM.createRoot(document.getElementById('root') as HTMLElement).render(
  <React.StrictMode>
    <ChainlitContext.Provider value={apiClient}>
      <RecoilRoot>
        <MyApp />
      </RecoilRoot>
    </ChainlitContext.Provider>
  </React.StrictMode>
);

Usage

useChatSession

This hook is responsible for managing the chat session's connection to the WebSocket server.

Methods

  • connect: Establishes a connection to the WebSocket server.
  • disconnect: Disconnects from the WebSocket server.
  • setChatProfile: Sets the chat profile state.

Example

import { useChatSession } from '@chainlit/react-client';

const ChatComponent = () => {
  const { connect, disconnect, chatProfile, setChatProfile } = useChatSession();

  // Connect to the WebSocket server
  useEffect(() => {
    connect({
      userEnv: {
        /* user environment variables */
      },
      accessToken: 'Bearer YOUR_ACCESS_TOKEN' // Optional Chainlit auth token
    });

    return () => {
      disconnect();
    };
  }, []);

  // Rest of your component logic
};

useChatMessages

This hook provides access to the chat messages and the first user message.

Properties

  • messages: An array of chat messages.
  • firstUserMessage: The first message from the user.

Example

import { useChatMessages } from '@chainlit/react-client';

const MessagesComponent = () => {
  const { messages, firstUserMessage } = useChatMessages();

  // Render your messages
  return (
    <div>
      {messages.map((message) => (
        <p key={message.id}>{message.content}</p>
      ))}
    </div>
  );
};

useChatData

This hook provides access to various chat-related data and states.

Properties

  • actions: An array of actions.
  • askUser: The current ask user state.
  • avatars: An array of avatar elements.
  • chatSettingsDefaultValue: The default value for chat settings.
  • chatSettingsInputs: The current chat settings inputs.
  • chatSettingsValue: The current value of chat settings.
  • connected: A boolean indicating if the WebSocket connection is established.
  • disabled: A boolean indicating if the chat is disabled.
  • elements: An array of chat elements.
  • error: A boolean indicating if there is an error in the session.
  • loading: A boolean indicating if the chat is in a loading state.
  • tasklists: An array of tasklist elements.

Example

import { useChatData } from '@chainlit/react-client';

const ChatDataComponent = () => {
  const { loading, connected, error } = useChatData();

  // Use the data to render your component
  if (loading) return <p>Loading...</p>;
  if (error) return <p>Error connecting to chat...</p>;
  if (!connected) return <p>Disconnected...</p>;

  // Rest of your component logic
};

useChatInteract

This hook provides methods to interact with the chat, such as sending messages, replying, and updating settings.

Methods

  • callAction: Calls an action.
  • clear: Clears the chat session.
  • replyMessage: Replies to a message.
  • sendMessage: Sends a message.
  • stopTask: Stops the current task.
  • setIdToResume: Sets the ID to resume a thread.
  • updateChatSettings: Updates the chat settings.

Example

import { useChatInteract } from '@chainlit/react-client';

const InteractionComponent = () => {
  const { sendMessage, replyMessage } = useChatInteract();

  const handleSendMessage = () => {
    const message = { content: 'Hello, World!', id: 'message-id' };
    sendMessage(message);
  };

  const handleReplyMessage = () => {
    const message = { content: 'Replying to your message', id: 'reply-id' };
    replyMessage(message);
  };

  // Render your interaction component
  return (
    <div>
      <button onClick={handleSendMessage}>Send Message</button>
      <button onClick={handleReplyMessage}>Reply to Message</button>
    </div>
  );
};