index.js

import { execSync } from 'child_process';
import { ChatGPTAPI } from 'chatgpt'
import inquirer from 'inquirer';

const getArgs = () => {
  return process.argv.slice(2)
    .reduce((args, arg) => {
      if (arg.startsWith('--')) {
        const [flag, value = true] = arg.split('=');
        args[flag.slice(2)] = value;
      } else if (arg[0] === '-') {
        arg.slice(1).split('').forEach(flag => {
          args[flag] = true;
        });
      }

      return args;
    }, {});
};

const args = getArgs();

const apiKey = args.apiKey || process.env.OPENAI_API_KEY || (() => {
    error('Please set the OPENAI_API_KEY environment variable.');
    process.exit(1);
})();

const api = new ChatGPTAPI({
  apiKey,
})

async function main() {
  const diff = execSync('git diff --staged').toString()

  const prompt = 'Generate a short commit title based on diff changes above, using gitmoji and conventional commits. Structure: <emoji> <type>: <subject>'

  const { text } = await api.sendMessage(`${diff}\n # ${prompt}`)

  console.log(`Proposed Commit:\n------------------------------\n${text}\n------------------------------`)
}

main();