FilePicker Sorting Does Not Work

[HiltonGiesenow]

Category

• [ ] Enhancement
• [x] Bug
• [ ] Question

Version

Please specify what version of the library you are using: [1.9.0]

Expected / Desired Behavior / Question

The FilePicker control should be able to sort on any of the columns it shows (name, modified date, modified by, size).

Observed Behavior

When using the FilePicker control, sorting works fine (for me) on the Modifed By column, but all other sorts don't work properly at all (they seem kind of random). Further, when I look at the code (e.g. https://github.com/pnp/sp-dev-fx-property-controls/blob/master/src/propertyFields/filePicker/filePickerControls/controls/FileBrowser/FileBrowser.tsx#L382) I can see there's no "same" condition handled (for instance see at https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort#description that 3 results are possible, not just greater than and less than but also equal to).

Steps to Reproduce

In the test harness, open the File Picker, browse to a folder, and try sort the items.

I'm working on a fix already, so hopefully this issue is just 'fyi'.

[ghost]

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