app.ts

import Button from "./components/Button"

const appElement = document.getElementById('app')

const alertButton = new Button('Alert Button')
alertButton.onClick = () => {
  alert('Alert button was clicked !')
}
const warningButton = new Button('Warning Button')
warningButton.onClick = () => {
  console.warn('Warning button was clicked !')
}

function renderApp() {
  if (appElement !== null) {
    appElement.innerHTML = ''
    alertButton.render(appElement)
    warningButton.render(appElement)
  }
}

renderApp()