pokemon.trade/spec/javascript/setup.ts

import * as Enzyme from 'enzyme';
import * as Adapter from 'enzyme-adapter-react-16';

Enzyme.configure({adapter: new Adapter()});

// Cast global to any type so TS compilation doesn't complain about missing
// property
const globalAny: any = global;
globalAny.shallow = Enzyme.shallow;
globalAny.render = Enzyme.render;
globalAny.mount = Enzyme.mount;