https://twitter.com/domenic/status/1289347216994271239

ideal.js

async function renderPromise(promise) {
  if (promise.isResolved()) {
    renderValue(promise.value);
  } else {
    renderLoading();
    const value = await promise;
    renderValue(value);
  }
}

today.js

function renderPromise(promise) {
  let rendered = false;
  const result = promise.then((value) => {
    renderValue(value);
    rendered = true;
  });
  if (!rendered) renderLoading();
  return result;
}