postmark + babel import

.babelrc.js

module.exports = {
  ignore: [
    "/node_modules/**/*"
  ],
  sourceMaps: true,
  presets: [
    [
      "@babel/preset-env",
      {
        "targets": {
          "node": "12.4"
        },
      }
    ],
  ],
  plugins: []
}

README.md

Steps to reproduce

npm i
npx babel-node index.js

index.js

import postmark from 'postmark';

console.log(typeof postmark);

console.log(typeof require('postmark'));

package.json

{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "@babel/core": "^7.4.5",
    "@babel/node": "^7.4.5",
    "@babel/preset-env": "^7.4.5",
    "postmark": "^2.2.7"
  },
  "devDependencies": {},
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}