assertInstanceOf | /test_deps.ts | ahh@v0.11.0

Opinionated idiomatic type-safety functions.

function assertInstanceOf

import { assertInstanceOf } from "https://deno.land/x/ahh@v0.11.0/test_deps.ts";

assertInstanceOf<T extends AnyConstructor>(

actual: unknown,

expectedType: T,

msg?,

): asserts actual is GetConstructorType<T>

Make an assertion that obj is an instance of type. If not then throw.

Type Parameters

T extends AnyConstructor

actual: unknown

expectedType: T

optional

msg = [UNSUPPORTED]

asserts actual is GetConstructorType<T>