Interface TypePredicate<T>

Defines a type predicate used to validate an unknown value and narrow its type to T when the predicate returns true.

Type Parameters

T
Type identified by the predicate.

TypePredicate(value: unknown): value is T
Parameters
- value: unknown
  Value to evaluate.
Returns value is T
true when the value satisfies the predicate and may be treated as type T; otherwise false.