assertNotInstanceOf | /test_deps.ts | justaos_utils@v2.0.0-pre.3

x/justaos_utils/test_deps.ts>assertNotInstanceOf

Common utility functions used across projects

function assertNotInstanceOf

import { assertNotInstanceOf } from "https://deno.land/x/justaos_utils@v2.0.0-pre.3/test_deps.ts";

assertNotInstanceOf<A, T>(

actual: A,

unexpectedType: new (...args: any[]) => T,

msg?: string,

): asserts actual is Exclude<A, T>

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

Examples

Example 1

import { assertNotInstanceOf } from "https://deno.land/std@0.224.0/assert/assert_not_instance_of.ts";

assertNotInstanceOf(new Date(), Number); // Doesn't throw
assertNotInstanceOf(new Date(), Date); // Throws

Type Parameters

Parameters

actual: A

unexpectedType: new (...args: any[]) => T

optional

msg: string

Returns

asserts actual is Exclude<A, T>