Method onProgress

Extensions/Firebase/A_firebasejs/firebase.d.ts:8659–8659

* Registers functions to listen to bundle loading progress events. * @param next * Called when there is a progress update from bundle loading. Typically `next` calls occur * each time a Firestore document is loaded from the bundle. * @param error * Called when an error

(
      next?: (progress: LoadBundleTaskProgress) => any,
      error?: (error: Error) => any,
      complete?: () => void
    )

     *   Called when the loading task is complete.
     */
    onProgress(
      next?: (progress: LoadBundleTaskProgress) => any,
      error?: (error: Error) => any,
      complete?: () => void