class ScanLoadingScreen extends HTMLElement {
    constructor() {
        super();
        const shadowRoot = this.attachShadow({mode: 'open'});
        const link = document.createElement('link');
        link.rel = 'stylesheet';
        link.href = '/scan-loading-screen/scan-loading-screen.css';
        const container = document.createElement('div');
        container.classList.add('container');
        const barcode = document.createElement('div');
        barcode.classList.add('barcode');
        for(let i = 0; i < 30; i++) {
            const div = document.createElement('div');
            barcode.appendChild(div);
        }
        container.appendChild(barcode);
        shadowRoot.appendChild(link);
        shadowRoot.appendChild(container);
    }
}
customElements.define('scan-loading-screen', ScanLoadingScreen);