feat(openAPI-union) Add type support for unions with additionalProperties to provide ts intellisense

[remy90]

Thank you for your work on this package, much appreciated! I came across string & {} recently to get 'loose autocomplete' on a string and thought it might help here.

Changes

What does this PR change? Link to any related issue(s).
A union of type "A" | "B" | "C" will now provide intellisense options from the union but also accept non-union string entries

How to Review

How can a reviewer review your changes? What should be kept in mind for this review?

Checklist

• Unit tests updated
• docs/ updated (if necessary)
• pnpm run update:examples run (only applicable for openapi-typescript)

[netlify]

✅ Deploy Preview for openapi-ts canceled.

Name	Link
🔨 Latest commit	8426fa2
🔍 Latest deploy log	https://app.netlify.com/projects/openapi-ts/deploys/689f4246062c420008cfc6a2

[changeset-bot]

⚠️ No Changeset found

Latest commit: 8426fa2

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

[remy90]

@duncanbeevers I noticed you've picked up a similar PR area, any thoughts?