Types

TypeScript utility types

Type Aliases

Type Alias	Description
IntentionalNever	A type alias for `never` that is used intentionally when casting is not needed and unit tests exist to ensure correctness.
Literal	String, number, bigint, boolean, undefined, null
NullablePartial	Makes properties optional if they accept `null` as a value.
PartialProp	Makes a specific property of an object optional while keeping others unchanged.
Predicate	Checks a condition on a value and returns a boolean.
Refinement	A type guard function that refines type `A` to a narrower type `B`.
Simplify	Simplify an intersection type into a single mapped type.
WidenLiteral	Infers a broader type from a specific literal value type.