128 lines
5.2 KiB
JavaScript
128 lines
5.2 KiB
JavaScript
/*
|
|
* ThunderAI [https://micz.it/thunderbird-addon-thunderai/]
|
|
* Copyright (C) 2024 Mic (m@micz.it)
|
|
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*
|
|
* This file contains a modified version of the code from the project at https://github.com/boxabirds/chatgpt-frontend-nobuild
|
|
* The original code has been released under the Apache License, Version 2.0.
|
|
*/
|
|
|
|
import { OpenAI } from '../js/api/openai.js';
|
|
|
|
//========================== for testing
|
|
// const MOCK_TOKENS = ['Good', ' morning', ' Mr', ' Plop', 'py', ',', 'and', ' I', ' said', '\n', '"', 'Good', ' morn', 'ing', ' Mrs',' Plop', 'py', ,'"', '\n', 'Oh', ' how', ' the', ' win', 'ter', ' even', 'ings', ' must', ' just', ' fly'];
|
|
|
|
// function mockDelay(ms) {
|
|
// return new Promise(resolve => setTimeout(resolve, ms));
|
|
// }
|
|
|
|
// async function processMockTokens() {
|
|
// for (const token of MOCK_TOKENS) {
|
|
// await mockDelay(Math.random() * 50 + 50); // Random delay between 100ms and 150ms
|
|
// postMessage({ type: 'newToken', payload: { token } });
|
|
// }
|
|
// postMessage({ type: 'tokensDone' });
|
|
// }
|
|
//========================== for testing - END
|
|
|
|
|
|
let api_key_chatgpt = null;
|
|
let openai = null;
|
|
|
|
let conversationHistory = [];
|
|
let assistantResponseAccumulator = '';
|
|
|
|
self.onmessage = async function(event) {
|
|
if (event.data.type === 'init') {
|
|
api_key_chatgpt = event.data.api_key_chatgpt;
|
|
//console.log(">>>>>>>>>>> api_key_chatgpt: " + api_key_chatgpt);
|
|
openai = new OpenAI(api_key_chatgpt, true);
|
|
} else if (event.data.type === 'chatMessage') {
|
|
conversationHistory.push({ role: 'user', content: event.data.message });
|
|
|
|
|
|
// ============================== TESTING
|
|
// // Simulate sending the message to an HTTP endpoint
|
|
// await mockDelay(1000); // Wait for 1 second
|
|
|
|
// // Notify that the chat message was sent
|
|
// postMessage({ type: 'messageSent' });
|
|
|
|
// // Start processing tokens
|
|
// await processMockTokens();
|
|
// return;
|
|
// ============================== TESTING - END
|
|
|
|
|
|
|
|
// https://platform.openai.com/docs/models/gpt-4-and-gpt-4-turbo
|
|
// 4096 output tokens
|
|
// 128,000 input tokens
|
|
// const response = await fetch(API_URL, {
|
|
// method: "POST",
|
|
// headers: {
|
|
// "Content-Type": "application/json",
|
|
// "Authorization": `Bearer ${openaiApiKey}`,
|
|
// },
|
|
// body: JSON.stringify({
|
|
// model: "gpt-4-1106-preview",
|
|
// messages: conversationHistory,
|
|
// stream: true,
|
|
// }),
|
|
// });
|
|
const response = await openai.fetchResponse("gpt-4o-mini", conversationHistory); //4096);
|
|
postMessage({ type: 'messageSent' });
|
|
|
|
if (!response.ok) {
|
|
const errorJSON = await response.json();
|
|
const errorDetail = JSON.stringify(errorJSON);
|
|
//console.log(">>>>>>>>>>>>> errorJSON.error.message: " + JSON.stringify(errorJSON.error.message));
|
|
postMessage({ type: 'error', payload: errorJSON.error.message });
|
|
throw new Error("[ThunderAI] OpenAI API request failed: " + response.status + " " + response.statusText + ", Detail: " + errorDetail);
|
|
}
|
|
|
|
const reader = response.body.getReader();
|
|
const decoder = new TextDecoder("utf-8");
|
|
|
|
while (true) {
|
|
const { done, value } = await reader.read();
|
|
if (done) {
|
|
conversationHistory.push({ role: 'assistant', content: assistantResponseAccumulator });
|
|
assistantResponseAccumulator = '';
|
|
postMessage({ type: 'tokensDone' });
|
|
break;
|
|
}
|
|
// lots of low-level OpenAI response parsing stuff
|
|
const chunk = decoder.decode(value);
|
|
const lines = chunk.split("\n");
|
|
const parsedLines = lines
|
|
.map((line) => line.replace(/^data: /, "").trim()) // Remove the "data: " prefix
|
|
.filter((line) => line !== "" && line !== "[DONE]") // Remove empty lines and "[DONE]"
|
|
.map((line) => JSON.parse(line)); // Parse the JSON string
|
|
|
|
for (const parsedLine of parsedLines) {
|
|
const { choices } = parsedLine;
|
|
const { delta } = choices[0];
|
|
const { content } = delta;
|
|
// Update the UI with the new content
|
|
if (content) {
|
|
assistantResponseAccumulator += content;
|
|
postMessage({ type: 'newToken', payload: { token: content } });
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|