fangliao-houtai/node_modules/@uppy/utils/lib/isDragDropSupported.js

"use strict";

function isDragDropSupported() {
  const div = document.body;

  if (!('draggable' in div) || !('ondragstart' in div && 'ondrop' in div)) {
    return false;
  }

  if (!('FormData' in window)) {
    return false;
  }

  if (!('FileReader' in window)) {
    return false;
  }

  return true;
}

/**
 * Checks if the browser supports Drag & Drop (not supported on mobile devices, for example).
 *
 * @returns {boolean}
 */
module.exports = isDragDropSupported;