validators

Validators module is set of validation functions which you can use to validate user input.

You can import validator function directly from module, eq:

import { required } from 'validators';

or from specific validator file:

import { required } from 'validators/lib/required';

Note: Second import, imports only one file with specific validator but first whole validators module.

Validation functions:

Each validation functions return undefined when validation passed or error message when failed.

• cvcRangeLength(input) - checks if CVV has 3 or 4 characters
• email(input) - checks if email is valid
• matchToNewPassword(input, values) - check if password match to new password (values.newPassword)
• matchToPassword(input, values) - check if password match to new password (values.password)
• oldPasswordRequired(input, values) - check if password exists in the values if newPassword exists
• number(input) - check if input is valid number. Note: number as string is still valid number.
• passcodeRangeLength(input) - checks if passcode has 0 or 1 characters
• passwordFormat(input) - check if password has valid format: must include at least one lowercase letter and number
• passwordMinLength(input) - checks if password has at least 8 characters
• required(input) - checks if input is not null, not undefined or is not empty string. Boolean false and zero number is treated as filled.
• zipcodeAustralian(input) - check if zip code is valid Australian zip code: has 4 digits (9999)
• zipcodeUSA(input) - check if zip code is valid USA zip code: has 5 digits (99999) or 5 digits dash and 4 digits (99999-9999)

Validation functions creators:

Below is list of functions, which creats validation function based on their params:

• fieldsMatch(otherFieldName, errorText): fn(value, values) - creates validation function which compare value with value under otherFieldName property in values object
• matchRegexp(regexp, errorText): fn(value, values) - creates validation function which checks if value matches regexp
• rangeLength(min, max, [label]): fn(value) - creates validation function which checks if value is not shorther than min characters and longer than max characters
• maxLength(max, [label]): fn(value) - creates validation function which checks if value is not longer than max characters
• minLength(min, [label]): fn(value) - creates validation function which checks if value is not shorther than min
• requiredIf(otherFieldName, errorText): fn(value, values) - creates validation function which checks if input value is filled when value under key otherFieldName of values exists.

Set of validators:

setOfPasswordValidators - it is array which contains these validators: required, passwordMinLength, passwordFormat