FlowFolder - #90

This looks like a big feature and well done, but I don't get the idea why it is needed.

A folder can be treated as an entry.
You can show a folder item in your page, then you can pause, resume or cancel the files by handle the folder item. This will be look like a "real" root directory which contains some files and have some file siblings.

Or the FolowFolder will be a plugin of flow.js and i will modify my files. 😄

Is this project dead or is the author ignoring any contributions? This is well over a year old and would be a really nice feature :(

I am not sure we need this feature. This pull request contains so many code changes, it would require some decent testing. For now, only two people requested this, so it is a low priority. It would be better to have this as a plugin

It would be nice to have this feature, i often need to send folder with a lot of files (more than 1000 files) and it's difficult to follow the upload status of all these files.
I have no solution to track the files uploaded from one specific folder (i must use global flow progress which is no representative of my folder's files ...).
I must track error per file, connect to signal complete and filter files which are a parts of my folder ...
Display side, i use a subclass to freeze variables that will be modified during the next upload (FlowObj uploaded size, remaining time ...).
If we want to track the sending per folder it's currently very complex ! :)

Would there be a solution to create a new flow object dedicated to a folder?

Currently I don't have time to merge this feature. I gave a quick peek and I think it needs some performance improvements. And what about angular? It might not be compatible. As @dolymood has mentioned, these changes can be moved to a separate plugin. I could merge it as a separate file. It does not need to be tested or to be perfect.

Just one question a little bit off subject, I'm trying to see if I can create a second instance of the flow to dedicate it to a folder when it is detected by the first instance.
Apparently this is not possible, and I do not understand why! The Flow instance is a singleton?
Example:

import * as Flow from '@flowjs/flow.js'
const a = new Flow({...})
const b = new Flow({...})
b.custom_attribute = "test"
console.log(a.custom_attribute)
-> "test"