React — Importing Global Variables from the Window Object

foo-component.jsx

import React, { Component } from 'react';
import Foo from './foo-service';

class FooComponent extends Component {
    foo = Foo;
    render() {
        return (<div>{this.foo.name}</div>)
    }
}

export default FooComponent;

foo-service.jsx

declare var Foo;
export default window.Foo;