Top TypeScript issues

Narrowing a function/component type to take a more specific parameter

Question

TS2589: Type instantiation is excessively deep and possibly infinite caused by non recursive generics when using "npm link"

Needs Investigation

Treat `Boolean(x)` equally as double not `!!x`

Duplicate

Optional (?) in function signature interferes with inference of completely unrelated type

Bug Fix Available

Objects with a field of a conditional type that resolves to never are required

Working as Intended

'async' modifier cannot be used in an ambient context.ts

Declaration Emit JavaScript checkJs good first issue help wanted

noEmit can't be negated in extended tsconfig.json files

External

What's the current supported typescript version for builds on azure devOps?

accessor allows `this` parameter but is not checked or enforced.

Bug Fixed good first issue help wanted

Test