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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

14 lines (11 loc) 664 B
'use strict'; var $forEach = require('../internals/array-iteration').forEach; var arrayMethodIsStrict = require('../internals/array-method-is-strict'); var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length'); var STRICT_METHOD = arrayMethodIsStrict('forEach'); var USES_TO_LENGTH = arrayMethodUsesToLength('forEach'); // `Array.prototype.forEach` method implementation // https://tc39.github.io/ecma262/#sec-array.prototype.foreach module.exports = (!STRICT_METHOD || !USES_TO_LENGTH) ? function forEach(callbackfn /* , thisArg */) { return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined); } : [].forEach;