`mgt-file-list` should support both filtering by file extensions but also return folders

[sebastienlevert]

Proposal: mgt-file-list should support both filtering by file extensions but also return folders

Description

Right now, when filtering by file extension, we automatically lose the ability to drill through the file hierarchy as we only return the current folders files, but ignore folders.

Rationale

This would allow for a more fined-grained experience and would help with #1741

Preferred Solution

Adding a new property on the mgt-file-list component to allow something like :

<mgt-file-list file-extensions="pdf,docx" preserve-folders></mgt-file-list>

Attribute	Property	Description
preserve-folders	preserveFolders	Only available when file-extensions is used. Will return folders when specified. Default false

Hello sebastienlevert, thank you for opening an issue with us!

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[aaclage]

Hi @sebastienlevert, to retrieve folder from file-extensions just need to be include in the array as empty.

You can test using https://mgt.dev/?path=/story/components-mgt-file-list-properties--get-file-list-by-extensions
Sample: File extension with folders
<mgt-file-list file-extensions="docx, xlsx,"></mgt-file-list>
Sample: Just folders
<mgt-file-list file-extensions=""></mgt-file-list>

Did i miss something?

[sebastienlevert]

You win! I wasn't aware... I think we should definitely make our documentation more clear about this. Would you be willing to take a stab at our docs and explicitly call out this scenario? Good catch @aaclage!

[sebastienlevert]

Thanks for the PR. After review of the issue, this is mostly using an undocumented feature and could leak other files (files without extensions). I think this feature is still valid and we will be working on it based on our priorities. Thanks!