const importRegex = require('esm-import-regex');
const regex1 = importRegex();
console.log(regex1.exec('import defaultMember from "module-name";'));
// [
//   'import defaultMember from "module-name";',
//   'defaultMember ',
//   'module-name',
//   index: 0,
//   input: 'import defaultMember from "module-name";',
//   groups: undefined
// ]

const regex2 = importRegex();
console.log(regex2.exec('import \'module-name\''));
// [
//   "import 'module-name'",
//   undefined,
//   'module-name',
//   index: 0,
//   input: "import 'module-name'",
//   groups: undefined
// ]

npm run test