Function openAsBlob

lib/fs.js:711–727

* @param {string | Buffer | URL } path * @param {{ * type?: string; * }} [options] * @returns {Promise }

(path, options = kEmptyObject)

 * @returns {Promise<Blob>}
 */
function openAsBlob(path, options = kEmptyObject) {
  validateObject(options, 'options');
  const type = options.type || '';
  validateString(type, 'options.type');

  const h = vfsState.handlers;
  if (h !== null) {
    const result = h.openAsBlob(path, options);
    if (result !== undefined) return PromiseResolve(result);
  }

  // The underlying implementation here returns the Blob synchronously for now.
  // To give ourselves flexibility to maybe return the Blob asynchronously,
  // this API returns a Promise.
  path = getValidatedPath(path);
  return PromiseResolve(createBlobFromFilePath(path, { type }));
}

/**
 * Reads file from the specified `fd` (file descriptor).