Skip to main content
The Deno 2 Release Candidate is here
Learn more
Module

x/deno_slack_data_mapper/dependencies/testing_asserts.ts>assertExists

A handy way to manage data in Slack's next-generation platform datastores
seratch/deno-slack-data-mapper
Latest
function assertExists
import { assertExists } from "https://deno.land/x/deno_slack_data_mapper@2.6.2/dependencies/testing_asserts.ts";

Make an assertion that actual is not null or undefined. If not then throw.

Examples

Example 1

import { assertExists } from "https://deno.land/std@0.224.0/assert/assert_exists.ts";

assertExists("something"); // Doesn't throw
assertExists(undefined); // Throws

Parameters

actual: T
optional
msg: string

Returns

asserts actual is NonNullable<T>