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sibelius avatar sibelius commented on May 27, 2024 3

CPF can have less than 11 digits, so the current logic is wrong

Old CPF have less than 11 digits, my father CPF for instance

You need to left pad

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sibelius avatar sibelius commented on May 27, 2024 1

my current workaround

import { isCPF } from 'brazilian-values';

/**
 * Pattern to match formatted CPF (999.999.999-99) or 11 numbers.
 */
export const CPF_PATTERN = /^(\d{11}|\d{3}\.\d{3}\.\d{3}\-\d{2})$/;

const NonNumeric = /\D/g;

const mapToNumeric = (
  value: string,
): string => value.replace(NonNumeric, '');

const padding = '00000000000';

const leftPad = (str: string) => {
  return padding.substring(0, padding.length - str.length) + str;
}

export const isSafeCPF = (value: string): boolean => {
  if (!CPF_PATTERN.test(value)) {
    const onlyNumeric = mapToNumeric(value);
    const leftPadCpf = leftPad(onlyNumeric);

    return isCPF(leftPadCpf);
  }

  return isCPF(value);
}

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sibelius avatar sibelius commented on May 27, 2024

failing test here #43

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mechamobau avatar mechamobau commented on May 27, 2024

@sibelius maybe this can be an issue with 4devs validator (or I'm wrong) because the verifier digit returned by validation it's 71 and not 7

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sibelius avatar sibelius commented on May 27, 2024

another even smaller CPF example

image

5120101

these are all real CPFs

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