text: import { expect } from '@open-wc/testing';
  
  import isLocalizeESModule from '../src/isLocalizeESModule.js';
  
  describe('isLocalizeESModule', () => {
    it('detects a module by finding the "default" key containing an object', () => {
      expect(isLocalizeESModule({ default: {} })).to.equal(true);
    });
  
    it('detects a real ES module with a default export', async () => {
      const mod = await import('./test-esmodule-default.js');
      expect(isLocalizeESModule(mod)).to.equal(true);
    });
  
    it('ignores if the "default" key is a string', () => {
      expect(isLocalizeESModule({ default: 'my string' })).to.equal(false);
    });
  
    it('ignores if there are extra keys to the "default" key', () => {
      expect(isLocalizeESModule({ default: {}, otherKey: 'other key' })).to.equal(false);
      expect(isLocalizeESModule({ default: {}, otherKey: {} })).to.equal(false);
    });
  
    it('ignores if there is no "default" key', () => {
      expect(isLocalizeESModule({ otherKey: 'other key' })).to.equal(false);
      expect(isLocalizeESModule({ otherKey: {} })).to.equal(false);
    });
  
    it('ignores if not an object', () => {
      // @ts-ignore passing a non-object is not allowed by ts, but we still want to test the outcome
      expect(isLocalizeESModule(undefined)).to.equal(false);
    });
  });
  