OrientationObserver

Observes the page orientation (landscape / portrait)

// npm installation
npm i --save @superherocheesecake/orientation-observer

// require the module
import { orientationObserver } from '@superherocheesecake/orientation-observer';

// listen for changes
orientationObserver.addEventListener('update', this._orientationObserverUpdateHandler);

_orientationObserverUpdateHandler(options) {
    // options.orientation
}

// or just fetch it
const orientation = OrientationObserver.getOrientation();