@nick/is/missing

isMissing

Signature

function isMissing(it: unknown): it is null | undefined;

Check if a given value is missing, which is either null or undefined.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is null or undefined, or false otherwise.

Category

Primitives

Examples

import { isMissing } from "jsr:@nick/is/missing";

isMissing(null); // true
isMissing(undefined); // true
isMissing(0); // false
isMissing(""); // false
isMissing(false); // false