parent-module ESM

a.mjs

import parentModule from 'parent-module'

console.log(parentModule()) // prints "node:internal/modules/esm/module_job" (Node 16.13.1)

index.mjs

import './a.mjs'

package.json

{
  "name": "foo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "parent-module": "^3.0.0"
  }
}