assert | /http/server/deps.ts | fastro@v0.84.30

Full Stack Framework for Deno, TypeScript, Preact JS and Tailwind CSS

function assert

import { assert } from "https://deno.land/x/fastro@v0.84.30/http/server/deps.ts";

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 "https://deno.land/std@0.224.0/assert/assert.ts";

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

Parameters

expr: unknown

optional

msg = [UNSUPPORTED]

Returns

asserts expr