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sindresorhus / ts-extras

Essential utilities for TypeScript projects
MIT License
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Narrow the searched element type in `setHas` and `arrayIncludes` #41

Closed tychenjiajun closed 2 years ago

tychenjiajun commented 2 years ago

fixes #40

sindresorhus commented 2 years ago

Would you be able to include a type test?

tychenjiajun commented 2 years ago

Not sure how to write tests for this changes.

sindresorhus commented 2 years ago

Can't you assert the array afterwards to see if the type was narrowed?

tychenjiajun commented 2 years ago

I'll try

tychenjiajun commented 2 years ago

Can't you assert the array afterwards to see if the type was narrowed?

I added expectTypeOf