assertExists | /tests/deps.ts | fresh@1.5.4

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function assertExists

import { assertExists } from "https://deno.land/x/fresh@1.5.4/tests/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.

Type Parameters

actual: T

optional

msg: string

asserts actual is NonNullable<T>