如何使用 Node.js 和 OpenAI API 快速开发一个私有的 ChatGPT 智能聊天机器人程序 All In One

如何使用 Node.js 和 OpenAI API 快速开发一个私有的 ChatGPT 智能聊天机器人程序 All In One

OpenAI API playground

https://platform.openai.com/playground

code bug ❌

904. Fruit Into Baskets Medium

https://leetcode.com/problems/fruit-into-baskets/

//Q: leetcode 904 fruit-into-baskets answer in typescript

// A:
// Solution 1: Sliding Window
/**
 * @param {number[]} tree
 * @return {number}
 */
const totalFruit = (tree: number[]): number => {
  let left = 0;
  let count = 0;
  let max = 0;
  let types = new Set();
  for (let right = 0; right < tree.length; right++) {
    const currentType = tree[right];
    // Increment count for current type
    count++;
    types.add(currentType);
    // Slide window if two different types are found
    if (types.size > 2) {
      const leftType = tree[left];
      count--;
      types.delete(leftType);
      left++;
    }
    // Update max
    max = Math.max(max, count);
  }
  return max;
};


// Solution 2: Greedy
/**
 * @param {number[]} tree
 * @return {number}
 */
const totalFruit2 = (tree: number[]): number => {
  let count = 0;
  let max = 0;
  let start = 0;
  let end = 0;
  let types = new Set();
  while (start < tree.length && end < tree.length) {
    const currentType = tree[end];
    count++;
    types.add(currentType);
    if (types.size > 2) {
      const leftType = tree[start];
      count--;
      types.delete(leftType);
      start++;
    }
    max = Math.max(max, count);
    end++;
  }
  return max;
};

OpenAI API

$ npm install openai

https://www.npmjs.com/package/openai

https://github.com/openai/openai-node

GPT-3 demos (davinci)

const { Configuration, OpenAIApi } = require("openai");
const configuration = new Configuration({
  apiKey: process.env.OPENAI_API_KEY,
});
const openai = new OpenAIApi(configuration);
const response = await openai.createCompletion({
  model: "text-davinci-003",
  prompt: "Say this is a test",
  temperature: 0,
  max_tokens: 7,
});

https://platform.openai.com/docs/libraries/node-js-library

demos

.env

# private keys
OPENAI_API_KEY=copy_and_replace_your_api_key_in_here

./src/index.ts

"use strict";

/**
 *
 * @author xgqfrms
 * @license MIT
 * @copyright xgqfrms
 * @created 2023-02-07
 * @modified
 *
 * @description
 * @description
 * @difficulty Easy
 * @ime_complexity O(n)
 * @space_complexity O(n)
 * @augments
 * @example
 * @link https://www.cnblogs.com/xgqfrms/p/17103702.html
 * @solutions
 *
 * @best_solutions
 *
 */

// export {};

const log = console.log;

import * as dotenv from 'dotenv';
dotenv.config();

// const { Configuration, OpenAIApi } = require("openai");
import { Configuration, OpenAIApi } from "openai";

const config = new Configuration({
  apiKey: process.env.OPENAI_API_KEY,
});

const openai = new OpenAIApi(config);

// Top-level 'await' expressions are only allowed when the 'module' option is set to 'es2022', 'esnext', 'system', 'node16', or 'nodenext', and the 'target' option is set to 'es2017' or higher.ts(1378)
// const response = await openai.createCompletion({
//   model: "text-davinci-003",
//   prompt: "Say this is a test",
//   temperature: 0,
//   max_tokens: 7,
// });


async function app(text?: string) {
  const res = await openai.createCompletion({
    model: "text-davinci-003",
    prompt: text ?? "who created ChatGPT",
    temperature: 0,
    max_tokens: 1000,
  });
  // log(`res =`, res.data);
  log(`res.data.choices =`, res.data.choices);
  // res.data.choices = [
  //   {
  //     text: '\n' +
  //       '\n' +
  //       'ChatGPT was created by OpenAI, a research laboratory based in San Francisco, California.',
  //     index: 0,
  //     logprobs: null,
  //     finish_reason: 'stop'
  //   }
  // ]
  for (const {text} of res.data.choices) {
    log(`👻 text =`, text);
  }
}

app();

$ yarn app

$ yarn test

https://github.com/xgqfrms/ChatGPT/

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OpenAI API keys

https://platform.openai.com/account/api-keys

API key generated
Please save this secret key somewhere safe and accessible. For security reasons, you won't be able to view it again through your OpenAI account. If you lose this secret key, you'll need to generate a new one.

refs

https://chatgpt.xgqfrms.xyz#chat

https://chat.xgqfrms.xyz/

https://github.com/humanloop/awesome-chatgpt

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