Add the ability to define a "noResultsMessage" on the PostTermList component

[fabiankaegy]

Description of the Change

Currently the PostTermList just renders completely empty if no terms are assigned to the post. This leads to a bad experience for the user because they are not able to user the inline control to select new terms. In order to fix this I've added a noResultsMessage prop to the component which has a default value.

I've also changed it so that the component only renders the no results message if the block this component is being used within also is currently selected.

Changelog Entry

Added - Ability to define noResultsMessage on PostTermList component

Credits

Props @fabiankaegy

Checklist:

• I agree to follow this project's Code of Conduct.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests pass.

[github-actions]

Size Change: +408 B (+1%)

Total Size: 51.8 kB

Filename	Size	Change
dist/index.js	51.8 kB	+408 B (+1%)

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[fabiankaegy]

@Antonio-Laguna I would love to also hear your thoughts on how this API could be made more "composable".

I had initially tried to use some kind of slot fill system with an actual <PostTermList.NoResults> component that you could use but found it to be overkill for this example.

But very curious whether you have any other ideas / think this is good as is :)