import LoaderManager from 'loader-manager' const loader = new LoaderManager(); // add asset to loader, load and apply a middleware function to change data loader .add('data', './example.json') .load(false, (e) => e.children = []); // add asset to loader and will start from next load method  loader.add('data', './data.json'); // load only last 2 asset (until last .load()) loader .add('mock', './myMock.json') .load(); // add a custom promise to loader loader.add('myPromise', new Promise()); loader .add('cats', './catOnTheTable.png') .add('banana', './myBanana.png') .load((resources) => { // get last loaded resources console.log(resources); // assets loaded in resources property console.log(loader.resources); }); // if you want to load all assets togheter loader.batch((resources) => { console.log('loaded: ', resources) }); // get loaded assets loader.resources