Babel Transform: CommonJS to ES Modules

A Babel 7 compatible transform to convert CommonJS modules into the ES Module specification. This was created specifically for a bundler, but has many uses outside of that context.

What to expect:

• A transform that can transform a majority of CommonJS to ES Modules
• The integrity of module.exports intact, no tricks to separate this object
• Non-static requires are turned into incompatible dynamic import(...)s

What not to expect:

• require.extensions support, as this is a runtime concern
• Hoisting tricks, excessive code rewriting
• Browser support for core Node modules

npm install --save-dev babel-plugin-transform-commonjs

Update your babel configuration:

{
  "plugins": "transform-commonjs"
}

Now code like this:

var { readFileSync } = require('path');
exports.readFileSync = readFileSync;

Will turn into this:

import { readFileSync as _readFileSync } from "path";
var module = {
  exports: {}
};
exports.readFileSync = _readFileSync;
export const readFileSync = _readFileSync;
export default module.exports;