assertExists | /test/test.deps.ts | justaos_orm@v6.4.0

x/justaos_orm/test/test.deps.ts>assertExists

JUSTAOS's ORM (Object–relational mapping) tool is built for Deno and provides transparent persistence for JavaScript objects to Postgres database.

justaos/orm

Go to Latest

function assertExists

import { assertExists } from "https://dotland.deno.dev/x/justaos_orm@v6.4.0/test/test.deps.ts";

assertExists<T>(actual: T, msg?: string): asserts actual is NonNullable<T>

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

Examples

Example 1

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

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

Type Parameters

Parameters

actual: T

optional

msg: string

Returns

asserts actual is NonNullable<T>