fix(@hey-api/sdk): dedup classes

[mrlubos]

Fixes #2437
Fixes #2435

TODO

• fix asClass without instance
• fix downstream plugins depending on classes
• breaking change in method name builder (added first argument)
• expose class splitting strategy
• add casing options to method name and class name builders
• rename method name and class name builders
• rename stringCase interfaces?
• add changelog for codegen-core fix local names

[bolt-new-by-stackblitz]

Run & review this pull request in StackBlitz Codeflow.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 920f0ca

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Review	Updated (UTC)
hey-api-docs	Ready	Preview, Comment	Dec 23, 2025 10:32pm

[codecov]

Codecov Report

❌ Patch coverage is 27.05146% with 1049 lines in your changes missing coverage. Please review.
✅ Project coverage is 33.40%. Comparing base (0c09e6c) to head (3df858f).

Files with missing lines	Patch %	Lines
...napi-ts/src/plugins/@hey-api/sdk/model/resource.ts	6.70%	334 Missing ⚠️
packages/openapi-ts/src/ts-dsl/utils/context.ts	3.42%	169 Missing ⚠️
...s/openapi-ts/src/plugins/@hey-api/sdk/v1/plugin.ts	2.56%	38 Missing ⚠️
...api-ts/src/plugins/@hey-api/sdk/model/structure.ts	21.05%	30 Missing ⚠️
...api-ts/src/plugins/@angular/common/httpRequests.ts	10.71%	25 Missing ⚠️
packages/openapi-ts/src/ts-dsl/mixins/modifiers.ts	47.91%	25 Missing ⚠️
packages/openapi-ts/src/ts-dsl/decl/func.ts	8.69%	21 Missing ⚠️
packages/openapi-ts/src/ts-dsl/expr/attr.ts	13.04%	20 Missing ⚠️
packages/openapi-ts/src/ts-dsl/utils/name.ts	33.33%	16 Missing ⚠️
packages/openapi-ts/src/ts-dsl/utils/render.ts	83.33%	15 Missing ⚠️
... and 79 more

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3109    +/-   ##
========================================
  Coverage   33.39%   33.40%            
========================================
  Files         429      431     +2     
  Lines       33654    33873   +219     
  Branches     2156     2180    +24     
========================================
+ Hits        11238    11314    +76     
- Misses      22388    22531   +143     
  Partials       28       28            

Flag	Coverage Δ
unittests	33.40% <27.05%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/codegen-core@3109

npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/nuxt@3109

npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/openapi-ts@3109

npm i https://pkg.pr.new/hey-api/openapi-ts/@hey-api/vite-plugin@3109

commit: 3df858f

[opswiz]

For, #2437 (comment)

Sure @mrlubos Will test the new PR.

Commenting here to keep the conversation here to submit any feedback if applicable

[mrlubos]

I'm still polishing but yeah let me know!