const test = async () => {
const container = document.getElementById('menu-container');
const placeholder = container.querySelector('.menu-placeholder');
// Fetch all the children of menu that are not yet defined.
const undefinedElements = container.querySelectorAll(':not(:defined)');
class navMenu extends HTMLElement {};
//customElements.define('nav-menu', navMenu)
window.customElements.whenDefined('nav-menu')
.then((test)=>{
console.log('nav-menu',test)
})
/* const promises = [...undefinedElements].map(
button => customElements.whenDefined(button.localName)
);
// Wait for all the children to be upgraded,
// then remove the placeholder.
console.log('yea', promises)
await Promise.all(promises);
console.log('yea')
container.removeChild(placeholder); */
}
test();
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