Type Alias AssertError<T>

AssertError: T

Assert that a type is an Error.

Type Parameters

T extends Error
Type that must extend Error

Remarks

Accepts all error subclasses such as TypeError or RangeError.

Example

type A = AssertError< Error >;      // ✓
type B = AssertError< TypeError >;  // ✓
type C = AssertError< string >;     // ✗ TS error