mocker data generator using nodejs

 fake data generator using node.js

 synthetic data generation using nodejs

Help link

https://www.npmjs.com/package/mocker-data-generator

https://chancejs.com/

https://phaker.js.org/

https://fakerjs.dev/

test_data_generator.js

var mocker = require('mocker-data-generator').default // (vanilla way)

const { faker } = require('@faker-js/faker');

var users = {

firstName: {

faker: 'name.firstName()'

},

lastName: {

faker: 'name.lastName()'

},

country: {

faker: 'address.country()'

},

city: {

faker: 'address.city()'

},

// description: {

// faker: 'lorem.paragraph()'

// },

createdAt: {

faker: 'date.past()'

},

id: {

incrementalId: 0

},

age: {

faker: 'datatype.number({"min": 18, "max": 30})'

//faker: 'random.numeric(2,{"min": 1, "max": 17})'

},

birthdate:{

faker:'date.birthdate({ "min": 10, "max": 20, "mode": "age" })'

},

user_group:{

values:

['Primary Owner', 'Owner', 'Admin','Editor','Contributor','Viewer','Billing']

},

emails:

{

faker: 'internet.email()'

}

,

// emails: [

// {

// faker: 'internet.email()',

// length: 1

// }

// ],

username: {

function: function () {

return (

this.object.lastName.substring(0, 5) +

this.object.firstName.substring(0, 3) +

Math.floor(Math.random() * 10)

)

}

},

phone_number:{

faker:"phone.number('+91 97 ### ### ##')"

},

account_balance:{

faker:"finance.amount()"

},

currencyCode:{

faker:'finance.currencyCode()'

},

account_number:{

faker:'finance.account()'

},

accountName:{

faker:'finance.accountName()'

},

creditCardCVV:{

faker:'finance.creditCardCVV()'

},

creditCardIssuer:{

faker:'finance.creditCardIssuer()'

},

creditCardNumber:{

faker:"finance.creditCardNumber('63[7-9]#-####-####-####')"

},

last_login_ip4:{

faker:"internet.ipv4()"

},

last_login_ip6:{

faker:"internet.ipv6()"

},

get: {

function() {

return this.object.emails[0]

}

}

}

var house = {

id: {

incrementalId: 0

},

address: {

faker: 'address.streetAddress'

},

householder: {

hasOne: 'users'

},

// mateIds: {

// hasMany: 'users',

// max: 2,

// min: 2,

// unique: true

// }

};

console.time('bench')

mocker()

.addGenerator('faker', faker)

.schema('users', users, 10)

.schema('cat2', users, { uniqueField: 'user_group' })

.schema('houses', house, 5)

.build(function (err, data) {

console.log(err)

console.timeEnd('bench')

console.log(JSON.stringify(data));

})

package.json

{

"name": "mocker-data-generator",

"version": "1.0.0",

"dependencies": {

"ava": "^5.1.0",

"casual-browserify": "^1.5.19",

"chance": "^1.1.7",

"codecov": "^3.8.2",

"conventional-github-releaser": "^3.1.5",

"gh-pages": "^4.0.0",

"http-server": "^14.1.1",

"mocker-data-generator": "^3.0.1",

"multiview": "^3.0.1",

"npm-scripts-info": "^0.3.9",

"nyc": "^15.1.0",

"opn-cli": "^5.0.0",

"phaker.js": "^6.0.0-rc.1",

"prettier": "^2.8.1",

"randexp": "^0.5.3",

"standard-version": "^9.5.0",

"trash-cli": "^5.0.0",

"ts-node": "^10.9.1",

"tslib": "^2.4.1",

"tslint": "^6.1.3",

"tslint-config-standard": "^9.0.0",

"typedoc": "^0.23.23",

"typescript": "^4.9.4"

},

"devDependencies": {

"@faker-js/faker": "^7.6.0"

}

}