index.ts

import commander from "commander";
import fs from "fs";
import path from "path";

const program = commander.program;

(async function () {
  const commandsDirPath = path.join(__dirname, "command");
  const commandFileNames = fs.readdirSync(commandsDirPath);
  for (const commandFileName of commandFileNames) {
    const commandFileAbsolutePath = path.join(commandsDirPath, commandFileName);
    require(commandFileAbsolutePath).default(program);
  }
  await program.parseAsync(process.argv);
})();