export default fetch('/error.txt').then(r=>{ if(r.ok) { return r.text(); } else { throw(''); } }).then(text => { if(!text) { return false; } document.body.innerHTML = ''; const error_show = document.createElement('pre'); error_show.setAttribute('id','build-error'); error_show.style.background = 'black'; error_show.style.color = 'white'; error_show.style.padding = '1em'; error_show.style['font-size'] = '16px'; error_show.textContent = text; document.body.appendChild(error_show); return true; }).catch(e => false);