Function dataToBase64FR

docs/bitty.js:475–483

(data)

}

function dataToBase64FR(data) {
  return new Promise((resolve, reject) => {
    if (!data || !data.byteLength) return resolve("");
    var fr = new FileReader();
    fr.onload = () => { resolve(fr.result.split(',')[1]); }
    fr.onerror = reject;
    fr.readAsDataURL(new Blob([data], {encoding:"UTF-8",type:"text/html;charset=UTF-8"}));
  })
}

function dataURLToString(durl) {
  return fetch(durl)