yup-password-validator

A yup extension that help to validate a complex password

Requirement

Yup version: 1.x.x

Installation

Npm

1npm install yup yup-password-validator

Yarn

1yarn add yup yup-password-validator

Yup extend function

• minOfUppercase(min: number, message?: string): Specifies the minimum number of uppercase string characters.
• minOfLowercase(min: number, message?: string): Specifies the minimum number of lowercase string characters.
• minOfNumeric(min: number, message?: string): Specifies the minimum number of numeric string characters.
• minOfSpecialCharacters(min: number, message?: string): Specifies the minimum number of special characters.
• noWhiteSpaces(message?: string): Specifies that the string should not contain white spaces.
• onlyLatinCharacters(message?: string): Specifies that the string should contain only latin characters.

Usage

1// example/usage.js
2
3const yup = require('yup');
4const { yupPassword } = require('yup-password-validator');
5
6const schema = (input) =>
7      yup
8            .object()
9            .shape({
10                  username: yup.string().min(5).max(200).required(),
11                  password: yupPassword
12                        .minOfSpecialCharacters(2)
13                        .minOfLowercase(2)
14                        .minOfUppercase(2)
15                        .minOfNumeric(2)
16                        .noWhiteSpaces()
17                        .onlyLatinCharacters()
18                        .required(),
19            })
20            .validate(input);
21
22const { error } = schema({ username: 'hello', password: 'AAaa@@00' });
23console.log(error); // undefined

Custom error message

1// example/custom.js
2
3const yup = require('yup');
4const { yupPassword } = require('yup-password-validator');
5
6const schema = (input) =>
7      yup
8            .object()
9            .shape({
10                  username: yup.string().required(),
11                  password: yupPassword
12                        .minOfSpecialCharacters(4, 'custom message 1')
13                        .minOfLowercase(4, 'custom message 2')
14                        .minOfUppercase(5, 'custom message 3')
15                        .minOfNumeric(6, 'custom message 4')
16                        .noWhiteSpaces('custom message 5')
17                        .onlyLatinCharacters('custom message 6')
18                        .required(),
19            })
20            .validate(input, { abortEarly: false });
21
22const { error } = schema({ username: 'aA', password: 'aA@0は ' });
23
24console.log(error);
25// custom message 1
26// custom message 2
27// custom message 3
28// custom message 4
29// custom message 5
30// custom message 6

Other Password Validator

• joi-password: A joi extension that help to validate a complex password
• superstruct-password: A superstruct extension that help to validate a complex password

License

MIT