fix(script): avoid __name ReferenceError in injected theme script - #391
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…jected script Next.js SWC/Turbopack re-processes inline script content and injects __name() helper calls for named function declarations. These helpers are undefined at runtime, causing "Uncaught ReferenceError: __name is not defined". Convert inner function declarations to const arrow functions, which SWC does not decorate with __name calls. Fixes pacocoursey#370
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Fixes #370
When using next-themes with Next.js (Turbopack/SWC), the inline theme script throws Uncaught ReferenceError: __name is not defined.
The SWC compiler re-processes inline script content and injects __name() helper calls for function declarations. These helpers are not available at runtime.
Convert the three inner function declarations in script.ts to const arrow functions. SWC does not annotate arrow functions with __name calls, so the injected script remains self-contained.
setColorScheme is moved before updateDOM since const is not hoisted.