null - nberlette/is GitHub Wiki

@nick/is/null

isNull

Signature

function isNull(it: unknown): it is null;

Checks if the value is null, and nothing else.

Parameters
Name Info
it The value to check.
Returns

true if the value is null, or false otherwise.

Category

Primitives

Examples

import { isNull } from "jsr:@nick/is/null";

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