Function imgToDataURL

js/utils.js:147–164

(url, callback, failedCb)

}

export function imgToDataURL(url, callback, failedCb) {
  const xhr = new XMLHttpRequest();
  xhr.onload = () => {
    const reader = new FileReader();
    reader.onloadend = () => {
      callback(reader.result);
    };
    reader.readAsDataURL(xhr.response);
  };
  xhr.onerror = () => {
    if (typeof failedCb === "function") {
      failedCb();
    }
  };
  xhr.open("GET", url);
  xhr.responseType = "blob";
  xhr.send();
}

export function logError(error) {
  console.warn(`[Painterro] ${error}`);