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// export
export default MyModule = () => console.log('foo')

// import
import MyModule from './MyModule' //it works
import foobar from './MyModule' //it also works,


// export
export const MyModule = () => console.log('foo')

// import
import MyModule from './MyModule' //returns empty object since there is no default export
import { MyModule } from './MyModule' //here it works because by exporting without 'default' keyword we explicitly exported MyModule


//lib.mjs
const pi = Math.PI;

function square(x) {
	return x * x;
}

class Person {
	constructor(name) {
		this.name = name;
	}
}

export { pi, square, Person };

// import
import * as lib from './lib.mjs';
import { pi as PI, square as sq, Person as P } from './lib.mjs';