luhn-generator
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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
9 lines (7 loc) • 359 B
JavaScript
var $parseFloat = require('./_global').parseFloat;
var $trim = require('./_string-trim').trim;
module.exports = 1 / $parseFloat(require('./_string-ws') + '-0') !== -Infinity ? function parseFloat(str) {
var string = $trim(String(str), 3);
var result = $parseFloat(string);
return result === 0 && string.charAt(0) == '-' ? -0 : result;
} : $parseFloat;