@luminati-io/knex/lib/migrations/util/is-module-type.js

A batteries-included SQL query & schema builder for PostgresSQL, MySQL, CockroachDB, MSSQL and SQLite3

const getPackageType = require('get-package-type');

module.exports = async function isModuleType(filepath) {
  return (
    filepath.endsWith('.mjs') ||
    (!filepath.endsWith('.cjs') &&
      (await getPackageType(filepath)) === 'module')
  );
};