How to differentiate folders from files in storage.getFiles() response? - node.js

Question

This is what I have in my bucket:
images/
image1.jpeg
I'm using the storage.bucket().getFiles() method:
const images = await storage.bucket().getFiles({ prefix: 'images' });
console.log(images);
And this is the response I'm getting:
You can see that I get 2 items.
1 for the images folder itself
And 1 for the actual image1.jpeg file
[
[
File {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
metadata: [Object],
baseUrl: '/o',
parent: [Bucket],
id: 'images%2F',
createMethod: undefined,
methods: [Object],
interceptors: [],
projectId: undefined,
create: undefined,
bucket: [Bucket],
storage: [Storage],
kmsKeyName: undefined,
userProject: undefined,
name: 'images/',
acl: [Acl],
instanceRetryValue: true,
instancePreconditionOpts: undefined,
[Symbol(kCapture)]: false
},
File {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
metadata: [Object],
baseUrl: '/o',
parent: [Bucket],
id: 'images%2Fimage1.jpeg',
createMethod: undefined,
methods: [Object],
interceptors: [],
projectId: undefined,
create: undefined,
bucket: [Bucket],
storage: [Storage],
kmsKeyName: undefined,
userProject: undefined,
name: 'images/image1.jpeg',
acl: [Acl],
instanceRetryValue: true,
instancePreconditionOpts: undefined,
[Symbol(kCapture)]: false
}
]
]
I would like to loop over the files in images[0] and be able to differentiate the folder from the files. How can I do it?

Answer 1

Tried this on live data in this document
with { prefix: 'images' } the entire bucket under the prefix is returned.
with { prefix: 'images/' } the entire folder under the prefix is returned.
with { prefix: 'images/image'} restrict the results to only the "files" in the given "folder"
If you want to list only files in the given folder try changing the prefix like this:
const images = await storage.bucket().getFiles({ prefix: 'images/image' });