.gitignore

node_modules
dist

README.md

npm i && npm test

bundle.js

(function () {
'use strict';

function interopDefault(ex) {
	return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;
}

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var commonjsBar = createCommonjsModule(function (module, exports) {
function Bar () {
	this.x = 42;
}

exports.default = Bar;
});

var commonjsBar$1 = interopDefault(commonjsBar);


var require$$0 = Object.freeze({
	default: commonjsBar$1
});

var commonjsFoo = createCommonjsModule(function (module, exports) {
var Bar = interopDefault(require$$0);

console.log( 'Bar', Bar )

exports.Bar = Bar.default;
});

interopDefault(commonjsFoo);
var Bar = commonjsFoo.Bar;

console.log( new Bar().x );

}());

commonjs-bar.js

function Bar () {
	this.x = 42;
}

exports.default = Bar;

commonjs-foo.js

var Bar = require( './commonjs-bar' );

console.log( 'Bar', Bar )

exports.Bar = Bar.default;

index.js

import { Bar } from './commonjs-foo.js';

console.log( new Bar().x );

package.json

{
  "scripts": {
    "test": "rollup -c && node bundle.js"
  },
  "devDependencies": {
    "rollup": "^0.34.10",
    "rollup-plugin-commonjs": "^3.3.1"
  }
}

rollup.config.js

import commonjs from 'rollup-plugin-commonjs';

export default {
	entry: 'index.js',
	dest: 'bundle.js',
	plugins: [
		commonjs({
			include: [ 'commonjs-*.js' ]
		}),
	],
	format: 'iife',
	moduleName: 'gh_866'
};