fix: merge border colors parsing

[Brentlok]

Summary by CodeRabbit

• Refactor
  • Optimized border color property handling to automatically consolidate individual border side colors (top, right, bottom, left) into a single border color property when all sides are equal. This results in cleaner, more efficient styling output.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 514d826 and 8b5ebef.

📒 Files selected for processing (1)

• packages/uniwind/src/metro/processor/rn.ts

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📝 Walkthrough

Walkthrough

A new BORDER_COLOR_KEYS constant is introduced and logic is added to the joinStyles function in the metro processor. When all four individual border color properties (top, right, bottom, left) are present with matching values, they are coalesced into a single borderColor property, mirroring existing border width consolidation behavior.

Changes

Cohort / File(s)	Summary
Border color coalescing packages/uniwind/src/metro/processor/rn.ts	Added BORDER_COLOR_KEYS constant and logic to combine four per-side border color properties into a single borderColor shorthand when all keys exist with equal values.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• PR #285: Implements analogous border width joining logic in the same file, establishing the pattern this change follows for border color consolidation.

Poem

🐰 Four colors meet at borders' seam,
Top, right, bottom, left—a dreamy team!
When all agree on hues so bright,
One color wins—the code's delight! ✨

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/merge-border-colors

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