mockgen

$ npm install mockgen --save

using chance.js wrapper for generating semi-random values

const MockGen = require('mockgen');

const generateMyMock = MockGen((chance) => ({
  // basic
  bool: chance.bool(),
  character: chance.character(),
  floating: chance.floating(),
  integer: chance.integer(),
  natural: chance.natural(),
  string: chance.string(),

  // text
  paragraph: chance.paragraph(),
  sentence: chance.sentence(),
  syllable: chance.syllable(),
  word: chance.word(),

  // person
  age: chance.age(),
  birthday: chance.birthday(),
  cf: chance.cf(),
  cpf: chance.cpf(),
  first: chance.first(),
  gender: chance.gender(),
  last: chance.last(),
  name: chance.name(),
  prefix: chance.prefix(),
  ssn: chance.ssn(),
  suffix: chance.suffix(),

  // mobile
  android_id: chance.android_id(),
  apple_token: chance.apple_token(),
  bb_pin: chance.bb_pin(),
  wp7_anid: chance.wp7_anid(),
  wp8_anid2: chance.wp8_anid2(),

  // web
  avatar: chance.avatar(),
  color: chance.color(),
  domain: chance.domain(),
  email: chance.email(),
  fbid: chance.fbid(),
  google_analytics: chance.google_analytics(),
  hashtag: chance.hashtag(),
  ip: chance.ip(),
  ipv6: chance.ipv6(),
  klout: chance.klout(),
  tld: chance.tld(),
  twitter: chance.twitter(),
  url: chance.url(),

  //Location
  address: chance.address(),
  altitude: chance.altitude(),
  areacode: chance.areacode(),
  city: chance.city(),
  coordinates: chance.coordinates(),
  country: chance.country(),
  depth: chance.depth(),
  geohash: chance.geohash(),
  latitude: chance.latitude(),
  longitude: chance.longitude(),
  phone: chance.phone(),
  postal: chance.postal(),
  province: chance.province(),
  state: chance.state(),
  street: chance.street(),
  zip: chance.zip(),

  // Time
  ampm: chance.ampm(),
  date: chance.date(),
  hammertime: chance.hammertime(),
  hour: chance.hour(),
  millisecond: chance.millisecond(),
  minute: chance.minute(),
  month: chance.month(),
  second: chance.second(),
  //timestamp: chance.timestamp(), -- DO NOT USE THIS function.
  timezone: chance.timezone(),
  year: chance.year(),

  // Finance
  cc: chance.cc(),
  cc_type: chance.cc_type(),
  currency: chance.currency(),
  currency_pair: chance.currency_pair(),
  dollar: chance.dollar(),
  euro: chance.euro(),
  exp: chance.exp(),
  exp_month: chance.exp_month(),
  exp_year: chance.exp_year(),

  // helpers
  pickone: chance.pickone([ '123', '234', '345', '456', '567' ]),
  pickset: chance.pickset([ '123', '234', '345', '456', '567' ], 3),
  shuffle: chance.shuffle([ '123', '234', '345', '456', '567' ]),
  d4: chance.d4(),
  d6: chance.d6(),
  d8: chance.d8(),
  d10: chance.d10(),
  d12: chance.d12(),
  d20: chance.d20(),
  d30: chance.d30(),
  d100: chance.d100(),
  guid: chance.guid(),
  hash: chance.hash(),
  n: chance.n(chance.state(), 30),
  normal: chance.normal(),
  radio: chance.radio(),
  rpg: chance.rpg('3d10'),
  tv: chance.tv(),
  unique: chance.unique(chance.state(), 5),

  $stepOneOf1: chance.$stepOneOf(1, 2, 3, 4, 5), // every cycle of generating cursor increment predictable (it is not random)
  $optional1: chance.$optional(chance.integer(), null), // chance to be integer or null
  $optional2: chance.$optional(chance.integer()) // chance to be integer or null (by default)
}));

generateMyMock.version(); // some hash of generator version. it depends from definitions 

const result = generateMyMock.generate(); // generate
const results = generateMyMock.generate(100); // generate 100 items