Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

- Separação do MOD11 da validação #14

Merged
merged 5 commits into from
Aug 17, 2020
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
node_modules
/lib
coverage
coverage
.history/
5 changes: 2 additions & 3 deletions src/__tests__/usevalidationsbr.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -36,15 +36,14 @@ describe('UseValidationBr CNPJ', () => {
});

describe('UseValidationBr CPF', () => {
it('should be able return true to valid CNPJ', () => {
it('should be able return true to valid CPF', () => {
expect.assertions(3);

expect(useValidationsBR('cpf', '248.283.728-65')).toBe(true);
expect(useValidationsBR('cpf', '241.845.620-00')).toBe(true);
expect(useValidationsBR('cpf', '551.137.567-50')).toBe(true);
});

it('should be able return false to invalid CNPJ', () => {
it('should be able return false to invalid CPF', () => {
expect.assertions(2);

expect(useValidationsBR('cpf', '248.283.728-66')).toBe(false);
Expand Down
13 changes: 8 additions & 5 deletions src/__tests__/validateCPF.spec.ts
Original file line number Diff line number Diff line change
@@ -1,19 +1,21 @@
import { validateCPF } from '../index';

describe('Validate CNPJ', () => {
it('should be able return true to valid CNPJ', () => {
expect.assertions(3);
describe('Validate CPF', () => {
it('should be able return true to valid CPF', () => {
expect.assertions(4);

expect(validateCPF('012.345.678-90')).toBe(true);
expect(validateCPF('248.283.728-65')).toBe(true);
expect(validateCPF('241.845.620-00')).toBe(true);
expect(validateCPF('551.137.567-50')).toBe(true);
});

it('should be able return false to invalid CNPJ', () => {
expect.assertions(2);
it('should be able return false to invalid CPF', () => {
expect.assertions(3);

expect(validateCPF('248.283.728-66')).toBe(false);
expect(validateCPF('425.719.798-04')).toBe(false);
expect(validateCPF('012.345.678-91')).toBe(false);
});

it('should be able return false to pass a empty string', () => {
Expand All @@ -22,5 +24,6 @@ describe('Validate CNPJ', () => {

it('should be able return false to pass a only repeated numbers', () => {
expect(validateCPF('000.000.000-00')).toBe(false);
expect(validateCPF('111.111.111-11')).toBe(false);
});
});
24 changes: 24 additions & 0 deletions src/validations/mod11.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
/**
* Calcula o MOD11 para o número informado
* @param valor Número base para o calculo
* @param limite Limite da casa de multiplicação
* Para CPF assume o valor de 12, para CNPJ o valor de 9.
* @returns Retorna o DV calculado
*/
export const mod11: (v: string, l: number) => number = (
clearValue: string,
limite: number,
) => {
const valor = String(clearValue).replace(/\D/g, '');
let sum = 0;
let mult = 2;

for (let i = valor.length - 1; i >= 0; i--) {
sum += mult * +valor[i];
if (++mult > limite) {
mult = 2;
}
}
const dv = ((sum * 10) % 11) % 10;
return dv;
};
54 changes: 18 additions & 36 deletions src/validations/validateCNPJ.ts
Original file line number Diff line number Diff line change
@@ -1,10 +1,18 @@
import { mod11 } from './mod11';

/**
* Valida o CNPJ. A entrada pode ser com ou sem máscaras.
* O tamanho deve ser respeitado como em '00.000.000/0000-00' ou '00000000000000'.
* @param value
* @returns True se o CNPJ é válido, falso caso contrário
*/
export function validateCNPJ(value: string): boolean {
const clearValue = String(value).replace(/[^\d]+/g, '');

// Campo sem máscara
if (clearValue === '') return false;

// Tamanho diferente do exigido
if (clearValue.length !== 14) return false;

// Valores carteados já conhecidos como inválidos
if (
clearValue === '00000000000000' ||
clearValue === '11111111111111' ||
Expand All @@ -16,39 +24,13 @@ export function validateCNPJ(value: string): boolean {
clearValue === '77777777777777' ||
clearValue === '88888888888888' ||
clearValue === '99999999999999'
)
) {
return false;

let length = clearValue.length - 2;
let numbers = clearValue.substring(0, length);
const digits = clearValue.substring(length);
let sum = 0;
let position = length - 7;

for (let i = length; i >= 1; i -= 1) {
sum += +numbers.charAt(length - i) * position;
position -= 1;
if (position < 2) position = 9;
}

let result = sum % 11 < 2 ? 0 : 11 - (sum % 11);

if (result !== +digits.charAt(0)) return false;

length += 1;
numbers = clearValue.substring(0, length);
sum = 0;
position = length - 7;

for (let i = length; i >= 1; i -= 1) {
sum += +numbers.charAt(length - i) * position;
position -= 1;
if (position < 2) position = 9;
}

result = sum % 11 < 2 ? 0 : 11 - (sum % 11);

if (result !== +digits.charAt(1)) return false;

return true;
// O CNPJ possui 2 DVs, excluíndo para validar
const valWithoutDvs = clearValue.substring(0, clearValue.length - 2);
const dv1 = mod11(valWithoutDvs, 9);
const dv2 = mod11(valWithoutDvs + dv1, 9);
// Compara com a informação passada como paramêtro
return valWithoutDvs + dv1 + dv2 === clearValue;
}
60 changes: 32 additions & 28 deletions src/validations/validateCPF.ts
Original file line number Diff line number Diff line change
@@ -1,31 +1,35 @@
import { mod11 } from './mod11';

/**
* Função que valida se a string é apenas
* números repetidos.
*
* @param ref String númerica
* @returns True se for contida por apenas caracteres repetidos,
* false caso contrário
*/
const isRepeated = (ref: string) => {
const ret = ref.replace(new RegExp(ref[0], 'g'), '').trim().length === 0;
return ret;
};
/**
* Valida o CPF. A entrada pode ser com ou sem máscaras.
* O tamanho deve ser respeitado como em '000.000.000-00' ou '00000000000'.
* @param value
*/
export function validateCPF(value: string): boolean {
// Campo sem máscara
const clearValue = String(value).replace(/\D/g, '');
let sum = 0;
let rest;

if (clearValue === '') return false;

if (clearValue === '00000000000') return false;

for (let i = 1; i <= 9; i += 1)
sum += +clearValue.substring(i - 1, i) * (11 - i);

rest = (sum * 10) % 11;

if (rest === 10 || rest === 11) rest = 0;

if (rest !== +clearValue.substring(9, 10)) return false;

sum = 0;

for (let i = 1; i <= 10; i += 1)
sum += +clearValue.substring(i - 1, i) * (12 - i);

rest = (sum * 10) % 11;

if (rest === 10 || rest === 11) rest = 0;

if (rest !== +clearValue.substring(10, 11)) return false;

return true;
// O CPF possui 2 DVs, excluíndo para validar
const valWithoutDvs = clearValue.substring(0, clearValue.length - 2);
// Valida se está vazio ou é valor repetido
if (!clearValue || isRepeated(clearValue)) {
return false;
}
// Calcula o primeiro DV
const dv1 = mod11(valWithoutDvs, 12);
// Calcula o segundo DV2
const dv2 = mod11(valWithoutDvs + dv1, 12);
// Compara com a informação passada como paramêtro
return valWithoutDvs + dv1 + dv2 === clearValue;
}