assertNotInstanceOf | /assert/mod.ts | std@0.222.0

Module

std/assert/mod.ts>assertNotInstanceOf

The Deno Standard Library

denoland/deno_std

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mod.ts (default module)

assertNotStrictEquals

assert_almost_equals.ts

assertAlmostEquals

assert_array_includes.ts

assert_greater_or_equal.ts

assertGreaterOrEqual

assert_greater.ts

assertGreater

assert_instance_of.ts

assert_less_or_equal.ts

assert_not_instance_of.ts

assertNotInstanceOf

assert_not_match.ts

assertNotMatch

assert_not_strict_equals.ts

assertNotStrictEquals

assert_object_match.ts

assertObjectMatch

assert_rejects.ts

assertRejects

assert_strict_equals.ts

assertStrictEquals

assert_string_includes.ts

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function assertNotInstanceOf

import { assertNotInstanceOf } from "https://deno.land/std@0.222.0/assert/mod.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@0.222.0/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>