UNPKG

luhn-generator

Version:

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

49 lines (45 loc) 1.02 kB
var baseLodash = require('./_baseLodash'), wrapperClone = require('./_wrapperClone'); /** * Creates a clone of the chain sequence planting `value` as the wrapped value. * * @name plant * @memberOf _ * @since 3.2.0 * @category Seq * @param {*} value The value to plant. * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * function square(n) { * return n * n; * } * * var wrapped = _([1, 2]).map(square); * var other = wrapped.plant([3, 4]); * * other.value(); * // => [9, 16] * * wrapped.value(); * // => [1, 4] */ function wrapperPlant(value) { var result, parent = this; while (parent instanceof baseLodash) { var clone = wrapperClone(parent); clone.__index__ = 0; clone.__values__ = undefined; if (result) { previous.__wrapped__ = clone; } else { result = clone; } var previous = clone; parent = parent.__wrapped__; } previous.__wrapped__ = value; return result; } module.exports = wrapperPlant;