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Serverless Web Applications with React and Firebase
book

Serverless Web Applications with React and Firebase

by Mayur Tanna, Harmeet Singh
April 2018
Intermediate to advanced content levelIntermediate to advanced
284 pages
6h 43m
English
Packt Publishing
Content preview from Serverless Web Applications with React and Firebase

Managing uploads and error handling

Cloud Storage allows you to manage the file uploads; you can resume, pause, or cancel the upload. The corresponding methods are available on UploadTask, which is returned by the put() or putString() methods that can be used as a promise or use to manage and monitor the status of the upload:

// Upload the file and metadatavar uploadTask = storageRef.child('folder/file.jpg').put(file);// Pause the upload - state changes to pauseuploadTask.pause();// Resume the upload - state changes to runninguploadTask.resume();// Cancel the upload - returns an error indicating file upload is cancelleduploadTask.cancel();

You can use the 'state_change' observer to listen to the progress events. It is very useful if you want ...

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Publisher Resources

ISBN: 9781788477413Supplemental Content