api/app/chatgpt-browser.js

require('dotenv').config();
const { KeyvFile } = require('keyv-file');

const browserClient = async ({
  text,
  parentMessageId,
  conversationId,
  model,
  token,
  onProgress,
  onEventMessage,
  abortController,
  userId,
}) => {
  const { ChatGPTBrowserClient } = await import('@waylaidwanderer/chatgpt-api');
  const store = {
    store: new KeyvFile({ filename: './data/cache.json' }),
  };

  const clientOptions = {
    // Warning: This will expose your access token to a third party. Consider the risks before using this.
    reverseProxyUrl:
      process.env.CHATGPT_REVERSE_PROXY || 'https://ai.fakeopen.com/api/conversation',
    // Access token from https://chat.openai.com/api/auth/session
    accessToken:
      process.env.CHATGPT_TOKEN == 'user_provided' ? token : process.env.CHATGPT_TOKEN ?? null,
    model: model,
    debug: false,
    proxy: process.env.PROXY || null,
    user: userId,
  };

  const client = new ChatGPTBrowserClient(clientOptions, store);
  let options = { onProgress, onEventMessage, abortController };

  if (!!parentMessageId && !!conversationId) {
    options = { ...options, parentMessageId, conversationId };
  }

  console.log('gptBrowser clientOptions', clientOptions);

  if (parentMessageId === '00000000-0000-0000-0000-000000000000') {
    delete options.conversationId;
  }

  const res = await client.sendMessage(text, options);
  return res;
};

module.exports = { browserClient };