Home > @firebase/firestore > / > LoadBundleTask > onProgress

LoadBundleTask.onProgress() method

Registers functions to listen to bundle loading progress events.

Signature:

onProgress(next?: (progress: LoadBundleTaskProgress) => unknown, error?: (err: Error) => unknown, complete?: () => void): void;

Parameters

Parameter	Type	Description
next	(progress: LoadBundleTaskProgress) => unknown	Called when there is a progress update from bundle loading. Typically next calls occur each time a Firestore document is loaded from the bundle.
error	(err: Error) => unknown	Called when an error occurs during bundle loading. The task aborts after reporting the error, and there should be no more updates after this.
complete	() => void	Called when the loading task is complete.

Returns:

void