Function createUploadTask

src/compat/storage/task.ts:25–39

(task: UploadTask)

 * multiple methods for controlling and monitoring the file upload.
 */
export function createUploadTask(task: UploadTask): AngularFireUploadTask {
  const inner$ = fromTask(task);
  return {
    task,
    then: task.then.bind(task),
    catch: task.catch.bind(task),
    pause: task.pause.bind(task),
    cancel: task.cancel.bind(task),
    resume: task.resume.bind(task),
    snapshotChanges: () => inner$,
    percentageChanges: () => inner$.pipe(
      map(s => s.bytesTransferred / s.totalBytes * 100)
    )
  };
}