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@std/assert@0.215.0

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It is unknown whether this package works with Browsers
It is unknown whether this package works with Deno
It is unknown whether this package works with Node.js
It is unknown whether this package works with Cloudflare Workers
It is unknown whether this package works with Bun
•JSR Score70%•
Published2 years ago (0.215.0)
function assertNotInstanceOf
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 "@std/assert/assert_not_instance_of";

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

Type Parameters

A
T

Parameters

actual: A
unexpectedType: new (...args: any[]) => T
optional
msg: string

Return Type

asserts actual is Exclude<A, T>

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Add Package

deno add jsr:@std/assert

Import symbol

import { assertNotInstanceOf } from "@std/assert/assert_not_instance_of";
or

Import directly with a jsr specifier

import { assertNotInstanceOf } from "jsr:@std/assert/assert_not_instance_of";