OneOf

OneOf

Validates if value is matching one of the expectations.

Returns: true if value is matching one of expectations, else throws.

import { expect } from 'chai';

import { check, OneOf, PropTypes, NotAMemberError, validate } from 'typend';

check<string | number>('foo');

check<string | number>(1337);

expect(() => check<string | number>(true)).to.throw(NotAMemberError);

validate('News', PropTypes.oneOf(['News', 'Photos']));

validate(1337, PropTypes.oneOf([String, Number]));

validate(1337, PropTypes.oneOfType([String, Number])); // Sugar-api

validate('foo', new OneOf(String, Number));

validate(1337, new OneOf(String, Number));