Customize

The following examples uses an instance of the validator called v

const v = new Validator()

Rule

You can extend the validator by adding your own rules.

If the method returns a string, it will be considered as an error.

v.extend(ruleName, ruleMethod)

The following example implement a PG13 check for movies:

v.extend(
    'pg13',
    (value) => value >= 13 || '%0 must be higher than 13'
)

You can update the default error message

v.setDefaultMessage('There is an error there...');