Skip to main content
Home
Browse packagesDocs
Sign In with GitHubSign In with GitLab

@std/assert@0.215.0

latest
Works with
It is unknown whether this package works with Browsers, Deno, Node.js, Cloudflare Workers, Bun
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 assert
assert(
expr: unknown,
msg?
): asserts expr

Make an assertion, error will be thrown if expr does not have truthy value.

Examples

Example 1

import { assert } from "@std/assert/assert";

assert("hello".includes("ello")); // Doesn't throw
assert("hello".includes("world")); // Throws

Parameters

expr: unknown
optional
msg

Return Type

asserts expr

Report package

Please provide a reason for reporting this package. We will review your report and take appropriate action.

Please review the JSR usage policy before submitting a report.

Add Package

deno add jsr:@std/assert

Import symbol

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

Import directly with a jsr specifier

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