Create a tiddler called DateFormatter that allows you to choose any non-system tiddler in the wiki and a field on that tiddler from drop-down menus, then displays the date stored in that field in at least five different formats. The formats displayed should be configurable by creating tiddlers in $:/config/DateFormatter/Formats.

If the field chosen can't be interpreted as a date, the text (not a date) should appear where the formatted date otherwise would.

Tip: The fields[] operator gets the names of the fields present on its input tiddlers.

Here's an example of what it might look like: