feat: add search by relations fields

[pnodet]

Allow admin users inside a list page to search by relations text fields

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[pnodet]

Hi @dcousens I see some tests failing but some are due to CI setup failure I think, not sure what to do tbh

[dcousens]

Thanks @pnodet, I'll check that out as soon as I can

[pnodet]

HNY @dcousens thanks for the formatting commit!
I this PR something you are interested in? do you think this will get merged or I better publish a npm fork?

[pnodet]

@dcousens from the 58 tests the failing one seem to be related to tsx, not sure how to fix tbh

> @keystone-6/example-testing@0.0.8 test /home/runner/work/keystone/keystone/examples/testing
> node --loader tsx example-test.ts


node:internal/process/esm_loader:40
      internalBinding('errors').triggerUncaughtException(
                                ^
Error: tsx must be loaded with --import instead of --loader
The --loader flag was deprecated in Node v20.6.0

[dcousens]

@pnodet happy new years to you too 💛

I'm not convinced this will be intuitive and could result in unexpected performance costs in some usecases.
Can the user opt-in to the behavior?

[pnodet]

@dcousens

By user you mean end-user (ie: a checkbox with label Activate search by relation fields) or keystone user the developers in the schema for example?

[dcousens]

sorry, I mean developer (but, maybe the user too...)

[pnodet]

Sure, for the developer we could have something in the schema / list. Inside the relationship field there is already a isFilterable and isOrderable properties if I'm not mistaken. I'm not an expert and I don't quite remember how we use them but I imagine we could have another field like isSearchable for exemple, defaults to false for backward compatibility.

[pnodet]

Hi @dcousens What do you have in mind? anything I can do to get this PR merged?