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@std/assert@1.0.0-rc.1
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denoland/std
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This package works with Cloudflare Workers, Node.js, Deno, Bun, Browsers
This package works with Cloudflare Workers
This package works with Node.js
This package works with Deno
This package works with Bun
This package works with Browsers
•JSR Score100%•
Downloads116,930/wk
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Published2 years ago (1.0.0-rc.1)

Common assertion functions, especially useful for testing

A library of assertion functions. If the assertion is false an AssertionError will be thrown which will result in pretty-printed diff of failing assertion.

This module is browser compatible, but do not rely on good formatting of values for AssertionError messages in browsers.

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

assert("I am truthy"); // Doesn't throw
assert(false); // Throws `AssertionError`
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deno add jsr:@std/assert

Import symbol

import * as assert from "@std/assert";
or

Import directly with a jsr specifier

import * as assert from "jsr:@std/assert";

Add Package

pnpm i jsr:@std/assert
or (using pnpm 10.8 or older)
pnpm dlx jsr add @std/assert

Import symbol

import * as assert from "@std/assert";

Add Package

yarn add jsr:@std/assert
or (using Yarn 4.8 or older)
yarn dlx jsr add @std/assert

Import symbol

import * as assert from "@std/assert";

Add Package

vlt install jsr:@std/assert

Import symbol

import * as assert from "@std/assert";

Add Package

npx jsr add @std/assert

Import symbol

import * as assert from "@std/assert";

Add Package

bunx jsr add @std/assert

Import symbol

import * as assert from "@std/assert";