FM / util

/var/www/qr4y.com/server/delivery/node_modules/validator/es/lib/util/

/var/www/qr4y.com/server/delivery/node_modules/validator/es/lib/util

Name	Size	Mode	Actions
algorithms.js	2861	0644	edit dl rm
assertString.js	761	0644	edit dl rm
includes.js	144	0644	edit dl rm
merge.js	316	0644	edit dl rm
multilineRegex.js	329	0644	edit dl rm
toString.js	751	0644	edit dl rm
typeOf.js	313	0644	edit dl rm

Edit: /var/www/qr4y.com/server/delivery/node_modules/validator/es/lib/util/algorithms.js (2861B)

/**
 * Algorithmic validation functions
 * May be used as is or implemented in the workflow of other validators.
 */

/*
 * ISO 7064 validation function
 * Called with a string of numbers (incl. check digit)
 * to validate according to ISO 7064 (MOD 11, 10).
 */
export function iso7064Check(str) {
  var checkvalue = 10;

for (var i = 0; i < str.length - 1; i++) {
    checkvalue = (parseInt(str[i], 10) + checkvalue) % 10 === 0 ? 10 * 2 % 11 : (parseInt(str[i], 10) + checkvalue) % 10 * 2 % 11;
  }

checkvalue = checkvalue === 1 ? 0 : 11 - checkvalue;
  return checkvalue === parseInt(str[10], 10);
}
/*
 * Luhn (mod 10) validation function
 * Called with a string of numbers (incl. check digit)
 * to validate according to the Luhn algorithm.
 */

export function luhnCheck(str) {
  var checksum = 0;
  var second = false;

for (var i = str.length - 1; i >= 0; i--) {
    if (second) {
      var product = parseInt(str[i], 10) * 2;

if (product > 9) {
        // sum digits of product and add to checksum
        checksum += product.toString().split('').map(function (a) {
          return parseInt(a, 10);
        }).reduce(function (a, b) {
          return a + b;
        }, 0);
      } else {
        checksum += product;
      }
    } else {
      checksum += parseInt(str[i], 10);
    }

second = !second;
  }

return checksum % 10 === 0;
}
/*
 * Reverse TIN multiplication and summation helper function
 * Called with an array of single-digit integers and a base multiplier
 * to calculate the sum of the digits multiplied in reverse.
 * Normally used in variations of MOD 11 algorithmic checks.
 */

export function reverseMultiplyAndSum(digits, base) {
  var total = 0;

for (var i = 0; i < digits.length; i++) {
    total += digits[i] * (base - i);
  }

return total;
}
/*
 * Verhoeff validation helper function
 * Called with a string of numbers
 * to validate according to the Verhoeff algorithm.
 */

export function verhoeffCheck(str) {
  var d_table = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 0, 6, 7, 8, 9, 5], [2, 3, 4, 0, 1, 7, 8, 9, 5, 6], [3, 4, 0, 1, 2, 8, 9, 5, 6, 7], [4, 0, 1, 2, 3, 9, 5, 6, 7, 8], [5, 9, 8, 7, 6, 0, 4, 3, 2, 1], [6, 5, 9, 8, 7, 1, 0, 4, 3, 2], [7, 6, 5, 9, 8, 2, 1, 0, 4, 3], [8, 7, 6, 5, 9, 3, 2, 1, 0, 4], [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]];
  var p_table = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 5, 7, 6, 2, 8, 3, 0, 9, 4], [5, 8, 0, 3, 7, 9, 6, 1, 4, 2], [8, 9, 1, 6, 0, 4, 3, 5, 2, 7], [9, 4, 5, 3, 1, 2, 6, 8, 7, 0], [4, 2, 8, 6, 5, 7, 3, 9, 0, 1], [2, 7, 9, 3, 8, 0, 6, 4, 1, 5], [7, 0, 4, 6, 9, 1, 3, 2, 5, 8]]; // Copy (to prevent replacement) and reverse

var str_copy = str.split('').reverse().join('');
  var checksum = 0;

for (var i = 0; i < str_copy.length; i++) {
    checksum = d_table[checksum][p_table[i % 8][parseInt(str_copy[i], 10)]];
  }

return checksum === 0;
}

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