Variable falsyAssertion`Const`

falsyAssertion: AssertionStandardSchemaSync<
    readonly ["to be falsy"],
    ZodNullable<ZodAny>,
    never,
> = ...

Asserts that the subject is falsy (false, 0, '', null, undefined, or NaN).

Example

expect('', 'to be falsy'); // passes
expect('hello', 'to be falsy'); // fails