required

required([strict=false])

Effect

Restrict the detect value is not undefined | null | NaN.

If strict mode is turned on(strict=true), Restrict the detected value is not undefined | null | NaN | '' | {} | [].

Arguments

• [strict] (boolean) - Whether turn on strict mode, default is false, means no-strict mode. You can exactly set strict to true to turn on strict mode.

Example

const schema1 = racoon.any();
schema1.validate(undefined); // pass, return: undefined
schema1.validate(null); // pass, return: null
schema1.validate(NaN); // pass, return: NaN
schema1.validate(''); // pass, return: 空字符串
schema1.validate({}); // pass, return: {}
schema1.validate([]); // pass, return: []

const schema2 = racoon.any().required();
schema2.validate(undefined); // fail
schema2.validate(null); // fail
schema2.validate(NaN); // fail
schema1.validate(''); // pass, return: ''
schema1.validate({}); // pass, return: {}
schema1.validate([]); // pass, return: []

const schema3 = racoon.any().required(true);
schema2.validate(undefined); // fail
schema2.validate(null); // fail
schema2.validate(NaN); // fail
schema1.validate(''); // fail
schema1.validate({}); // fail
schema1.validate([]); // fail