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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 baseIsEqual = require('./_baseIsEqual'), get = require('./get'), hasIn = require('./hasIn'), isKey = require('./_isKey'), isStrictComparable = require('./_isStrictComparable'), matchesStrictComparable = require('./_matchesStrictComparable'), toKey = require('./_toKey'); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. * * @private * @param {string} path The path of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function baseMatchesProperty(path, srcValue) { if (isKey(path) && isStrictComparable(srcValue)) { return matchesStrictComparable(toKey(path), srcValue); } return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) ? hasIn(object, path) : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG); }; } module.exports = baseMatchesProperty;