luhn-generator/update/node_modules/core-js-pure/internals/date-to-primitive.js

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

'use strict';
var anObject = require('../internals/an-object');
var toPrimitive = require('../internals/to-primitive');

module.exports = function (hint) {
  if (hint !== 'string' && hint !== 'number' && hint !== 'default') {
    throw TypeError('Incorrect hint');
  } return toPrimitive(anObject(this), hint !== 'number');
};