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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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var copyObject = require('./_copyObject'), createAssigner = require('./_createAssigner'), keysIn = require('./keysIn'); /** * This method is like `_.assignIn` except that it accepts `customizer` * which is invoked to produce the assigned values. If `customizer` returns * `undefined`, assignment is handled by the method instead. The `customizer` * is invoked with five arguments: (objValue, srcValue, key, object, source). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @alias extendWith * @category Object * @param {Object} object The destination object. * @param {...Object} sources The source objects. * @param {Function} [customizer] The function to customize assigned values. * @returns {Object} Returns `object`. * @see _.assignWith * @example * * function customizer(objValue, srcValue) { * return _.isUndefined(objValue) ? srcValue : objValue; * } * * var defaults = _.partialRight(_.assignInWith, customizer); * * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); * // => { 'a': 1, 'b': 2 } */ var assignInWith = createAssigner(function(object, source, srcIndex, customizer) { copyObject(source, keysIn(source), object, customizer); }); module.exports = assignInWith;