The code below is available in the minimal sample on our GitHub, that is based on our boilerplate.
import lampix from '@lampix/core';import lampixDOM from '@lampix/dom';import './styles.css';let counter = 0;const counterElement = document.getElementsByClassName('counter')[0];counterElement.textContent = 'Loading...';const increaseCount = () => {counter++;};const updateCounterElement = () => {counterElement.textContent = counter;};const initialize = async () => {const counterButtonOptions = {label: 'Increase count',labelPosition: 'top',scaleFactor: 1.2,animationDuration: 250};const closeButtonOptions = {label: 'Close App',labelPosition: 'top',scaleFactor: 1.2,animationDuration: 500};const callback = () => {increaseCount();updateCounterElement();};const counterButtonPromise = lampixDOM.buttons.generate(window.innerWidth / 2,window.innerHeight - 120,callback,counterButtonOptions);const closeAppButtonPromise = lampixDOM.buttons.generate(100,100,lampix.exit,closeButtonOptions);await counterButtonPromise;await closeAppButtonPromise;updateCounterElement();};initialize();