Obtain name from SchemaObject; otherwise, keep existing default subtype_{idx}

[dpezely]

Where existing behavior renders field names as subtype_0, this PR extracts a name from the relevant SchemaObject, when available.

• Preserves existing behavior for fall-through cases
• This scratches an itch from processing W3C's MNX current draft mnx-schema.json
  • e.g., had 60+ instances of subtype_0 through _4 in the resulting .rs file
  • That's as of their commit 0eda842 (latest as of creating this PR)
• Existing tests pass

EDIT: revised URI under link, as W3C has separated official versus Community Groups

[ahl]

Can you add a test that demonstrates this in action?

[dpezely]

Short version: a minimal repo with a canary test that exercises this PR is mnx-canary.

Long version:

• my JSON schema fu is weak
• I have some experience modifying existing JSON schema but haven't created one from scratch prior to an attempt at writing a test case for this PR
• The would-be test's schema.json started as a heavily trimmed version of the W3C mnx-schema.json but was still too verbose
• potential schema for test
• However, exercising that schema for purpose of this PR while being idomatic with existing Typify tests would require more time than I have at the moment
• When time permits, I'll continue that effort but providing what I have now-- for keeping my response somewhat timely

[ahl]

So this is going to improve things... but the handling of the anyOfs is still fundamentally broken (my fault--not yours). If this would be useful to you I'll have an LLM make some tests, but if and when we actually deal with anyOfs properly, we'll probably change all of this.

[dpezely]

Yes, it would be useful. The JSON schema for MNX makes heavy use of it.

The W3C Community. working group has been very active adding to their schema, and it's been many months since I've attempted processing it. Let me update my canary repo-- hopefully this weekend or next. I'll post an update here.

Thank you!

PS - also updated link to their schema in initial post above due to W3C website reorg