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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

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'use strict'; var $ = require('../internals/export'); var $reduceRight = require('../internals/array-reduce').right; var arrayMethodIsStrict = require('../internals/array-method-is-strict'); var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length'); var CHROME_VERSION = require('../internals/engine-v8-version'); var IS_NODE = require('../internals/engine-is-node'); var STRICT_METHOD = arrayMethodIsStrict('reduceRight'); // For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 }); // Chrome 80-82 has a critical bug // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982 var CHROME_BUG = !IS_NODE && CHROME_VERSION > 79 && CHROME_VERSION < 83; // `Array.prototype.reduceRight` method // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright $({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH || CHROME_BUG }, { reduceRight: function reduceRight(callbackfn /* , initialValue */) { return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined); } });