@alexandrezanata/validators-core

@alexandrezanata/validators-core

100% open-source Brazilian document validators (MIT).

npm: @alexandrezanata/validators-core
Repo: github.com/AlexandreZanata/doc-raiz

The unscoped name br-validators on npm is a different package. Use @alexandrezanata/validators-core.

Install

npm install @alexandrezanata/validators-core

Requires Node ≥ 18. ESM only ("type": "module").

Supported types

Module	Functions	Golden vector
CNPJ	validateCnpj, formatCnpj, stripCnpj	12ABC34501DE35
CPF	validateCpf, formatCpf, stripCpf	12345678909
CEP	validateCep, formatCep, stripCep	01310100
Placa	validatePlaca, formatPlaca, convertPlacaToMercosul	ABC1D23
PIS/PASEP	validatePisPasep, formatPisPasep	10027230888
PIX key	validatePixKey, formatPixKey	[e-mail]
Boleto	validateBoleto, formatBoleto	Situação 1 + 2
Credit card	validateCartaoCredito, passesLuhn	4111111111111111
IE (27 UFs)	validateInscricaoEstadual, validateIeSp, …	per UF — see docs

Subpath imports for tree-shaking:

import { validateCnpj } from '@alexandrezanata/validators-core/cnpj';
import { validateInscricaoEstadual } from '@alexandrezanata/validators-core/inscricao-estadual';

Examples

import { validateCnpj, formatCnpj } from '@alexandrezanata/validators-core';

const result = validateCnpj('12ABC34501DE35');
// { ok: true, value: '12ABC34501DE35', format: 'alphanumeric', ... }

formatCnpj('12ABC34501DE35');
// { ok: true, formatted: '12.ABC.345/01DE-35', ... }

import { validateInscricaoEstadual } from '@alexandrezanata/validators-core/inscricao-estadual';

validateInscricaoEstadual('110042490114', { uf: 'SP' });
validateInscricaoEstadual('0730000100109', { uf: 'DF' });

Official sources

Every algorithm cites a primary government source. Full table: OFFICIAL-SOURCES.md

Per-type URLs also available via constants (CNPJ_OFFICIAL_SOURCE_URL, IE_OFFICIAL_SOURCE_URLS, etc.).

API reference

docs/LIBRARY-API.md

CLI companion

npm install -g @alexandrezanata/validators-cli
br-validators cnpj validate 12ABC34501DE35 --json

License

MIT