Example of having Morgan Freeman explain what code is doing using OpenAI Codex DaVinci & Uberduck's style transfer APIs.

index.js

import { Configuration, OpenAIApi } from "openai";
import download from "download";
import ora from "ora";
import soundPlayer from "play-sound"
import prompts from "prompts";

// Get your own keys, nerd.
const kOpenAI = "YOUR_API_KEY";
const kUberDuck = "PRIVATE_KEY:PUBLIC_KEY";

function sleep(ms) {
    return new Promise((resolve) => {
      setTimeout(resolve, ms);
    });
}

const configuration = new Configuration({
  apiKey: kOpenAI,
});

const openai = new OpenAIApi(configuration);
const player = soundPlayer();

(async () => {
    const {code} = await prompts({
        type: 'text',
        name: 'code',
        message: 'Code to Morgan Freemanize?'
    });

    let spinner = ora("Understanding code...").start();
    const {data: {choices: [{text}]}} = await openai.createCompletion({
        model: "code-davinci-002",
        prompt: `${code}\n\n\"\"\"\nHere's what the above function is doing:\n1.`,
        temperature: 0,
        max_tokens: 84,
        top_p: 1,
        frequency_penalty: 0,
        presence_penalty: 0,
        stop: ["\"\"\""],
      });
    const answer = "1." + text;
    spinner.stop();
    
    spinner = ora("Morgan Freemanizing...").start();
    const credentials = btoa(kUberDuck);
    const auth = { "Authorization" : `Basic ${credentials}` };
    const res = await fetch("https://api.uberduck.ai/speak", {
        body: JSON.stringify({
            speech: answer,
            voice: "morgan-freeman",
            pace: 1
        }),
        method: "POST",
        headers: {
            ...auth,
            'Content-Type': 'application/json'
        }
    });
    spinner.stop();

    spinner = ora("Processing Audio...").start();
    const {uuid} = await res.json();
    const url = `https://uberduck-audio-outputs.s3-us-west-2.amazonaws.com/${uuid}/audio.wav`;
  
    // I am lazy
    await sleep(10000);
    spinner.stop();

    spinner = ora("Downloading Audio...").start();
    await download(url, 'out');
    spinner.stop();

    spinner = ora("Speaking...").start();
    await new Promise((resolve) => {
        player.play("out/audio.wav", function() {
            resolve();
        });
    });
    spinner.stop();
    
})();

package.json

{
  "name": "morgan-freeman-explainer",
  "version": "1.0.0",
  "description": "Morgan Freeman explains your code.",
  "main": "index.js",
  "type": "module",
  "scripts": {
    "start": "node --no-warnings index.js"
  },
  "author": "Eric Lewis",
  "license": "MIT",
  "dependencies": {
    "download": "^8.0.0",
    "openai": "^3.0.0",
    "ora": "^6.1.2",
    "play-sound": "^1.1.5",
    "prompts": "^2.4.2"
  }
}