cpf

Functions to handle Brazilian CPF numbers

Installation

You can install it with npm or yarn.

Try:

• npm: npm install cpf
• yarn: yarn add cpf

Usage

const CPF = require('cpf');

Now, CPF is a object with some functions:

• format
• generate
• isValid

CPF.format(cpf)

Format a CPF number.

Example

CPF.format('11144477735');
//=> '111.444.777-35'

Parameters

• cpf {string} A CPF number.

Returns a string with the formatted CPF number.

CPF.generate(formatted, invalid)

Generate a random CPF number.

Parameters

• formatted {boolean} true by default. It will generate a formatted CPF number.
• invalid {boolean} false by default. It will generate a invalid CPF number.

Returns a CPF number.

CPF.isValid(cpf, byLength)

Check if a CPF number is valid.

Example

CPF.isValid('111.444.777-35');
// true

CPF.isValid('111.444.777-42');
// false

CPF.isValid('111.444.777-42', true);
// true

CPF.isValid('111.444.777', true);
// false

Parameters

• cpf {string} Check if the CPF number is valid.
• byLength {boolean} false by default. Check only if the length is valid.

Returns the check result.

License

MIT © Matheus Alves