This plugin transforms all top level declarations to global assignments.
In
function foo() {}
let bar = "";
Out
function foo() {}
global.foo = foo;
let bar = "";
global.bar = bar;
$ npm install babel-plugin-transform-assign-top-level-to-global
.babelrc
{
"plugins": ["transform-assign-top-level-to-global"]
}
$ babel --plugins transform-assign-top-level-to-global script.js
require("babel-core").transform("code", {
plugins: ["transform-assign-top-level-to-global"]
});