react-native-bare-seed/jest.setup.ts at master · MakingSense/react-native-bare-seed · GitHub

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import { JSDOM } from 'jsdom';
import { configure } from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';

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

const jsdom = new JSDOM('<!doctype html><html><body></body></html>');
const { window } = jsdom;

function copyProps(src, target) {
  Object.defineProperties(target, {
    ...Object.getOwnPropertyDescriptors(src),
    ...Object.getOwnPropertyDescriptors(target),
  });
}

global.window = window;
global.document = window.document;
global.navigator = {
  userAgent: 'node.js',
};
global.requestAnimationFrame = function (callback) {
  return setTimeout(callback, 0);
};
global.cancelAnimationFrame = function (id) {
  clearTimeout(id);
};

copyProps(window, global);

beforeEach(() => {
  process.env.TZ = 'America/Los_Angeles';
});