faker.js - generate massive amounts of fake data in the browser and node.js
Demo
https://rawgit.com/Marak/faker.js/master/examples/browser/index.html
Faker Cloud
Don't have a local development setup ready?
Try our hosted version of Faker at https://fakercloud.com/api
https://github.com/faker/faker-cloud
Usage
Browser
<script src = "faker.js" type = "text/javascript"></script>
<script>
var randomName = faker.name.findName(); // Caitlyn Kerluke
var randomEmail = faker.internet.email(); // Rusty@arne.info
var randomCard = faker.helpers.createCard(); // random contact card containing many properties
</script>
Node.js
var faker = require('faker');
var randomName = faker.name.findName(); // Rowan Nikolaus
var randomEmail = faker.internet.email(); // Kassandra.Haley@erich.biz
var randomCard = faker.helpers.createCard(); // random contact card containing many properties
API
JSDoc API Browser
http://marak.github.io/faker.js/
API Methods
- address
- zipCode
- zipCodeByState
- city
- cityPrefix
- citySuffix
- cityName
- streetName
- streetAddress
- streetSuffix
- streetPrefix
- secondaryAddress
- county
- country
- countryCode
- state
- stateAbbr
- latitude
- longitude
- direction
- cardinalDirection
- ordinalDirection
- nearbyGPSCoordinate
- timeZone
- animal
- dog
- cat
- snake
- bear
- lion
- cetacean
- horse
- bird
- cow
- fish
- crocodilia
- insect
- rabbit
- type
- commerce
- color
- department
- productName
- price
- productAdjective
- productMaterial
- product
- productDescription
- company
- suffixes
- companyName
- companySuffix
- catchPhrase
- bs
- catchPhraseAdjective
- catchPhraseDescriptor
- catchPhraseNoun
- bsAdjective
- bsBuzz
- bsNoun
- database
- column
- type
- collation
- engine
- datatype
- number
- float
- datetime
- string
- uuid
- boolean
- hexaDecimal
- json
- array
- date
- past
- future
- between
- betweens
- recent
- soon
- month
- weekday
- fake
- finance
- account
- accountName
- routingNumber
- mask
- amount
- transactionType
- currencyCode
- currencyName
- currencySymbol
- bitcoinAddress
- litecoinAddress
- creditCardNumber
- creditCardCVV
- ethereumAddress
- iban
- bic
- transactionDescription
- git
- branch
- commitEntry
- commitMessage
- commitSha
- shortSha
- hacker
- abbreviation
- adjective
- noun
- verb
- ingverb
- phrase
- helpers
- randomize
- slugify
- replaceSymbolWithNumber
- replaceSymbols
- replaceCreditCardSymbols
- repeatString
- regexpStyleStringParse
- shuffle
- mustache
- createCard
- contextualCard
- userCard
- createTransaction
- image
- image
- avatar
- imageUrl
- abstract
- animals
- business
- cats
- city
- food
- nightlife
- fashion
- people
- nature
- sports
- technics
- transport
- dataUri
- lorempixel
- unsplash
- lorempicsum
- internet
- avatar
- email
- exampleEmail
- userName
- protocol
- httpMethod
- url
- domainName
- domainSuffix
- domainWord
- ip
- ipv6
- port
- userAgent
- color
- mac
- password
- lorem
- word
- words
- sentence
- slug
- sentences
- paragraph
- paragraphs
- text
- lines
- mersenne
- music
- name
- firstName
- lastName
- middleName
- findName
- jobTitle
- gender
- prefix
- suffix
- title
- jobDescriptor
- jobArea
- jobType
- phone
- phoneNumber
- phoneNumberFormat
- phoneFormats
- random
- number
- float
- arrayElement
- arrayElements
- objectElement
- uuid
- boolean
- word
- words
- image
- locale
- alpha
- alphaNumeric
- hexaDecimal
- system
- fileName
- commonFileName
- mimeType
- commonFileType
- commonFileExt
- fileType
- fileExt
- directoryPath
- filePath
- semver
- time
- unique
- vehicle
- vehicle
- manufacturer
- model
- type
- fuel
- vin
- color
- vrm
- bicycle
Faker.fake()
faker.js contains a super useful generator method Faker.fake for combining faker API methods using a mustache string format.
Example:
console.log(faker.fake("{{name.lastName}}, {{name.firstName}} {{name.suffix}}"));
// outputs: "Marks, Dean Sr."
This will interpolate the format string with the value of methods name.lastName(), name.firstName(), and name.suffix()
Localization
As of version v2.0.0 faker.js has support for multiple localities.
The default language locale is set to English.
Setting a new locale is simple:
// sets locale to de
faker.locale = "de";
- az
- ar
- cz
- de
- de_AT
- de_CH
- en
- en_AU
- en_AU_ocker
- en_BORK
- en_CA
- en_GB
- en_IE
- en_IND
- en_US
- en_ZA
- es
- es_MX
- fa
- fi
- fr
- fr_CA
- fr_CH
- ge
- hy
- hr
- id_ID
- it
- ja
- ko
- nb_NO
- ne
- nl
- nl_BE
- pl
- pt_BR
- pt_PT
- ro
- ru
- sk
- sv
- tr
- uk
- vi
- zh_CN
- zh_TW
Individual Localization Packages
faker.js supports incremental loading of locales.
By default, requiring faker will include all locale data.
In a production environment, you may only want to include the locale data for a specific set of locales.
// loads only de locale
var faker = require('faker/locale/de');
Setting a randomness seed
If you want consistent results, you can set your own seed:
faker.seed(123);
var firstRandom = faker.datatype.number();
// Setting the seed again resets the sequence.
faker.seed(123);
var secondRandom = faker.datatype.number();
console.log(firstRandom === secondRandom);
Tests
npm install .
make test
You can view a code coverage report generated in coverage/lcov-report/index.html.
Building faker.js
faker uses gulp to automate its build process. Each build operation is a separate task which can be run independently.
Browser Bundle
npm run browser
Building JSDocs
JSDOC v3 HTML API documentation
npm run jsdoc
Building ReadMe
The ReadMe.md file for faker.js is automatically generated and should not be modified directly. All updates to ReadMe.md should be performed in ./build/src/docs.md and then the build script should be run.
npm run readme
Version Release Schedule
faker.js is a popular project used by many organizations and individuals in production settings. Major and Minor version releases are generally on a monthly schedule. Bugs fixes are addressed by severity and fixed as soon as possible.
If you require the absolute latest version of faker.js the master branch @ http://github.com/marak/faker.js/ should always be up to date and working.
Maintainer
Marak Squires
faker.js - Copyright (c) 2020
Marak Squires
www.marak.com
http://github.com/marak/faker.js/
faker.js was inspired by and has used data definitions from:
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Backers
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Sponsors
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