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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

30 lines (23 loc) 1.13 kB
'use strict'; // https://github.com/tc39/proposal-iterator-helpers var $ = require('../internals/export'); var anInstance = require('../internals/an-instance'); var createNonEnumerableProperty = require('../internals/create-non-enumerable-property'); var has = require('../internals/has'); var wellKnownSymbol = require('../internals/well-known-symbol'); var AsyncIteratorPrototype = require('../internals/async-iterator-prototype'); var IS_PURE = require('../internals/is-pure'); var TO_STRING_TAG = wellKnownSymbol('toStringTag'); var AsyncIteratorConstructor = function AsyncIterator() { anInstance(this, AsyncIteratorConstructor); }; AsyncIteratorConstructor.prototype = AsyncIteratorPrototype; if (!has(AsyncIteratorPrototype, TO_STRING_TAG)) { createNonEnumerableProperty(AsyncIteratorPrototype, TO_STRING_TAG, 'AsyncIterator'); } if (!has(AsyncIteratorPrototype, 'constructor') || AsyncIteratorPrototype.constructor === Object) { createNonEnumerableProperty(AsyncIteratorPrototype, 'constructor', AsyncIteratorConstructor); } $({ global: true, forced: IS_PURE }, { AsyncIterator: AsyncIteratorConstructor });