required

required()

Effect

Restrict the detected value is not undefined | null.

Arguments

None

Example

const schema1 = racoon.boolean();
schema1.validate(undefined); // pass, return: undefined
schema1.validate(null); // pass, return: null

const schema2 = racoon.boolean().required();
schema2.validate(undefined); // fail
schema2.validate(null); // fail
schema2.validate(false); // pass