Update to TypeScript 4.8 - Githubissues

arcanis / clipanion

Type-safe CLI library / framework with no runtime dependencies

https://mael.dev/clipanion/

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Update to TypeScript 4.8 #131

Closed Ayc0 closed 1 year ago

Ayc0 commented 1 year ago

In TS 4.8, they changed the fact that generic have to be contraints to be able to be assigned to objects.

https://devblogs.microsoft.com/typescript/announcing-typescript-4-8/#unconstrained-generics-no-longer-assignable-to

This PR:

upgrade the TS version to TS 4.8.4
update yarn to the v3.3.0 (with the custom patch for TS 4.8 & 4.9, otherwise TS crashes)
fix some generics to extends from {} so that they can be assigned to WithArity
Update @typescript-eslint/* because otherwise this fails:

Tests

It can build:

And the tests pass:

Also the type inference seems okay:

arcanis commented 1 year ago

Released in 3.2.0-rc.14