Function createDtWithFiles

src/index.spec.js:3782–3796

* createDtWithFiles creates a mock data transfer object that can be used for drop events * @param {File[]} files * @param {object} options * @param {boolean} options.emptyTypes - If true, sets item types to empty string (simulates Chrome drag behavior)

(files = [], options = {})

 * @param {boolean} options.emptyTypes - If true, sets item types to empty string (simulates Chrome drag behavior)
 */
function createDtWithFiles(files = [], options = {}) {
  const { emptyTypes = false } = options;
  return {
    dataTransfer: {
      files,
      items: files.map((file) => ({
        kind: "file",
        size: file.size,
        type: emptyTypes ? "" : file.type,
        getAsFile: () => file,
      })),
      types: ["Files"],
    },
  };
}

/**
 * createFileSystemFileHandle creates a mock [FileSystemFileHandle](https://developer.mozilla.org/en-US/docs/Web/API/FileSystemFileHandle)