feeles-ide/lib/utils/open.js

The hackable and serializable IDE to make learning material

export default function open(url, target, options) {
  if (!target) {
    target = '_blank';
  }
  if (!options) {
    var width = 600;
    var height = 520;
    options = ['width=' + width, 'height=' + height, 'left=' + Math.round(screen.width / 2 - width / 2), 'top=' + (screen.height > width ? Math.round(screen.height / 2 - height / 2) : 0)].join();
  }
  var dialog = window.open(url, target, options);
  if (dialog) {
    window.addEventListener('unload', function () {
      if (dialog) {
        dialog.close();
      }
    });
  }
  return dialog;
}