deno.land / std@0.224.0 / assert / assert_not_instance_of.ts

assert_not_instance_of.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.import { assertFalse } from "./assert_false.ts";
/** * Make an assertion that `obj` is not an instance of `type`. * If so, then throw. * * @example * ```ts * import { assertNotInstanceOf } from "https://deno.land/std@$STD_VERSION/assert/assert_not_instance_of.ts"; * * assertNotInstanceOf(new Date(), Number); // Doesn't throw * assertNotInstanceOf(new Date(), Date); // Throws * ``` */export function assertNotInstanceOf<A, T>( actual: A, // deno-lint-ignore no-explicit-any unexpectedType: new (...args: any[]) => T, msg?: string,): asserts actual is Exclude<A, T> { const msgSuffix = msg ? `: ${msg}` : "."; msg = `Expected object to not be an instance of "${typeof unexpectedType}"${msgSuffix}`; assertFalse(actual instanceof unexpectedType, msg);}
std

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3 weeks ago