Common things from CJS brought to ESM

cjs-to-esm-helpers.js

/*

NOTE:

- The metadata of the current module "module" in ESM is under "import.meta"
- Dynamic import is always async, meaning you need to await it
  - Also if you export default it's under .default, no longer returned directly

*/

// dirname

import { dirname } from 'path'
import { fileURLToPath } from 'url'

const __dirname = dirname(fileURLToPath(import.meta.url))

// require

async function require (thing) {
  const imported = await import(thing) // "dynamic import"
  return Object.assign(imported.default || {}, imported)
}