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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 baseClone = require('./_baseClone'), baseMatches = require('./_baseMatches'); /** Used to compose bitmasks for cloning. */ var CLONE_DEEP_FLAG = 1; /** * Creates a function that performs a partial deep comparison between a given * object and `source`, returning `true` if the given object has equivalent * property values, else `false`. * * **Note:** The created function is equivalent to `_.isMatch` with `source` * partially applied. * * Partial comparisons will match empty array and empty object `source` * values against any array or object value, respectively. See `_.isEqual` * for a list of supported value comparisons. * * **Note:** Multiple values can be checked by combining several matchers * using `_.overSome` * * @static * @memberOf _ * @since 3.0.0 * @category Util * @param {Object} source The object of property values to match. * @returns {Function} Returns the new spec function. * @example * * var objects = [ * { 'a': 1, 'b': 2, 'c': 3 }, * { 'a': 4, 'b': 5, 'c': 6 } * ]; * * _.filter(objects, _.matches({ 'a': 4, 'c': 6 })); * // => [{ 'a': 4, 'b': 5, 'c': 6 }] * * // Checking for several possible values * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })])); * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }] */ function matches(source) { return baseMatches(baseClone(source, CLONE_DEEP_FLAG)); } module.exports = matches;