Fix lowercase+uppercase keys (camelCase/PascalCase) unexpectedly treated to kebab-case when using JavaScript config file #18115
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woohm402 force-pushed the woohm402/20250523012613 branch from 10ebcb2 to adb9580 Compare 
| I haven’t thoroughly tested all possible edge cases, so there might be scenarios I missed. |
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Summary
Fixes #18114.
It Seems in
apply-config-to-theme.ts#keyPathToCssPropertyfunction the theme key is transformed as:.is replaced with-/([a-z])([A-Z])/is replaced with$1-$2.toLowerCase()However in
theme.ts#resolve, when failed to find exact key, it only replaces.is replaced with-It seems the second transformation step is missing in theme.ts#resolve, causing inconsistencies when using camelCase or PascalCase theme keys.
Test plan
All unit tests pass, including the new test case covering this behavior.