load-asset/loaders/loadImage.js

Loads a single or multiple assets and returns a promise.

module.exports = function (opt) {
  return new Promise(function (resolve, reject) {
    var finished = false;
    var image = new window.Image();
    image.onload = function onLoaded () {
      if (finished) return;
      finished = true;
      resolve(image);
    };
    image.onerror = function onError () {
      if (finished) return;
      finished = true;
      reject(new Error('Error while loading image at ' + opt.url));
    };
    if (opt.crossOrigin) image.crossOrigin = opt.crossOrigin;
    image.src = opt.url;
  });
};