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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

38 lines (29 loc) 1.04 kB
'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $ObjectCreate = GetIntrinsic('%Object.create%', true); var $TypeError = GetIntrinsic('%TypeError%'); var $SyntaxError = GetIntrinsic('%SyntaxError%'); var Type = require('./Type'); var hasProto = !({ __proto__: null } instanceof Object); // https://www.ecma-international.org/ecma-262/6.0/#sec-objectcreate module.exports = function ObjectCreate(proto, internalSlotsList) { if (proto !== null && Type(proto) !== 'Object') { throw new $TypeError('Assertion failed: `proto` must be null or an object'); } var slots = arguments.length < 2 ? [] : internalSlotsList; if (slots.length > 0) { throw new $SyntaxError('es-abstract does not yet support internal slots'); } if ($ObjectCreate) { return $ObjectCreate(proto); } if (hasProto) { return { __proto__: proto }; } if (proto === null) { throw new $SyntaxError('native Object.create support is required to create null objects'); } var T = function T() {}; T.prototype = proto; return new T(); };