How to create a folder in Firebase Storage?

Question

So the new Firebase has support for storage using Google Cloud Platform.

You can upload a file to the images folder using:

var uploadTask = storageRef.child('images').put(file, metadata);

What if you want to create a subfolder images/user1234 dynamically using code?

The offical sample does not show how to do that, nor the official guide or reference docs.

Is the Firebase Console the only place where folders can be created manually?

Answer 1

The Firebase Storage API dynamically creates "folders" as intermediate products: if you create a file at images/user1234/file.txt, all intermediate "folders" like "images" and "user1234" will be created along the way. So your code becomes:

var uploadTask = storageRef.child('images/user1234/file.txt').put(file, metadata);

Note that you need to include the file name (foo.txt for example) in the child() call, since the reference should include the full path as well as the file name, otherwise your file will be called images.