Home

Index

How to use the datatype function from faker

Find comprehensive JavaScript faker.datatype code examples handpicked from public code repositorys.

In the Faker.js library, the datatype object provides methods for generating random values of various data types, such as numbers, booleans, and strings.

flatten.js

4
5
6
7
8
9
10
11
12
13

faker.seed(24849320);
function getRandomValues(nestLevel) {
  return Array(faker.datatype.number(1000) + 1)
  .fill(1)
  .map(e => faker.datatype.number());
}

let values;
function setValues () {

783

mocks.js

GitHub: sgoulas/pdpProject

8
9
10
11
12
13
14
15
16
17
    image: 'phone_bfaf91b1.png',
    name: 'iPhone 128GB',
    price: 569,
    ratingValue: 4.5,
    reviewCount: 93,
    sku: faker.datatype.uuid(),
    phoneProp: 'phone',
},
{
    availability: 0,

264

+ 19 other calls in file

How does faker.datatype work?

faker.datatype is an object in the Faker.js library that provides methods for generating random values of various data types. These data types include numbers, booleans, and strings.

The faker.datatype object provides the following methods:

number(): Generates a random integer or floating-point number.
float(): Generates a random floating-point number.
double(): Generates a random double-precision floating-point number.
boolean(): Generates a random boolean value (i.e., true or false).
hexaDecimal(): Generates a random hexadecimal string.
octal(): Generates a random octal string.
string(): Generates a random string of characters.
uuid(): Generates a random UUID string.

By using these methods, developers can easily generate random data of various types for use in their applications. The generated data can be used for testing, mocking, or any other purpose where randomized data is needed.

data.js

GitHub: Bigerfe/fe-learn-code

1
2
3
4
5
6
7
8
9
10
var faker = require('faker');
faker.locale = "zh_CN"; //设置语言

function getUserItem(){
  return {
    id: faker.datatype.number(),
    name: faker.name.findName(),
    email: faker.internet.email(),
    website: faker.internet.url(),
    address: faker.address.streetAddress() + faker.address.city() + faker.address.country(),

20211108100835-development.js

GitHub: island-is/island.is

73
74
75
76
77
78
79
80
81
82
    ? specific_test_users[1]
    : faker.phone.phoneNumber('##########')
const pairingLeg = Math.round(Math.random() * (pairings[0].length - 1))
const flight = getRandomFlight(nationalId)
flights.push(flight)
for (let j = 0; j < faker.datatype.number({ min: 1, max: 2 }); j++) {
  flight_legs.push(
    getRandomFlightLeg(
      flight.id,
      flight.created,

223

+ 9 other calls in file

Ai Example

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
const faker = require("faker");

// Generating a random integer between 1 and 100
const randomInt = faker.datatype.number({ min: 1, max: 100 });
console.log(randomInt); // Outputs: a random integer between 1 and 100

// Generating a random floating-point number between 0 and 1
const randomFloat = faker.datatype.float({ min: 0, max: 1 });
console.log(randomFloat); // Outputs: a random floating-point number between 0 and 1

// Generating a random boolean value
const randomBoolean = faker.datatype.boolean();
console.log(randomBoolean); // Outputs: true or false

// Generating a random string of characters
const randomString = faker.datatype.string();
console.log(randomString); // Outputs: a random string of characters

// Generating a random UUID string
const randomUuid = faker.datatype.uuid();
console.log(randomUuid); // Outputs: a random UUID string

In this example, we're using faker.datatype to generate various types of random data. For example, the number method generates a random integer between the given min and max values, the float method generates a random floating-point number between the given min and max values, and the boolean method generates a random boolean value. The string method generates a random string of characters, and the uuid method generates a random UUID string. These methods are useful for generating random data for testing, mocking, or any other purpose where randomized data is needed.

mocks.js

GitHub: sgoulas/pdpProject

6
7
8
9
10
11
12
13
14
15
    description: faker.lorem.sentences(4),
    id: faker.datatype.uuid(),
    image: faker.image.imageUrl(),
    name: faker.lorem.word(10),
    price: faker.datatype.number(900),
    ratingValue: faker.datatype.number(5),
    reviewCount: faker.datatype.number(100),
    sku: faker.random.alphaNumeric(15),
    tabletProp: 'tablet',
});

264

+ 9 other calls in file

BillingReceipt.test.js

GitHub: open-condo-software/condo

616
617
618
619
620
621
622
623
624
625
})
describe('Validations', () => {
    let importId
    let receipt
    beforeEach(async () => {
        importId = faker.datatype.uuid()
        const [firstReceipt] = await createTestBillingReceipt(admin, context, property, account, { importId })
        receipt = firstReceipt
    })
    describe('importId', () => {

+ 23 other calls in file

work-history.js

GitHub: DFE-Digital/manage-teacher-training-applications-prototype

3
4
5
6
7
8
9
10
11

module.exports = (submittedDate) => {
  const answer = faker.helpers.randomize(['yes', 'no-work-history', 'no--in-full-time-education'])
  const reason = (answer === 'no-work-history') ? 'I was unemployed': null;
  const items = []
  const count = faker.datatype.number({ min: 0, max: 8 })

  // get a date previously to the application submitted date
  let endDate = DateHelper.getPastDate(submittedDate, 30, 150)

order.model.test.js

GitHub: isazobu/jaliriDEV

58
59
60
61
62
63
64
65
66
67
    });
  });
});
function initOrder() {
  const newItem = {
    quantity: faker.datatype.number(),
    sku: faker.name.findName(),
    product: mongoose.Types.ObjectId(),
    title: faker.name.findName(),
    brand: faker.name.findName(),

+ 44 other calls in file

product_controller.js

GitHub: IbrahimSengun63/ECommerce-MongoDB

7
8
9
10
11
12
13
14
15
16
const product = new Product();
product.productName = faker.name.findName();
product.category = "gayrimenkul";
product.description = faker.commerce.productDescription();
product.price = parseFloat(faker.commerce.price());
product.discount = faker.datatype.number(99);
product.stock = faker.datatype.number(500);;
product.shop = "hf";
product.image = "altin.jpg"
product.netPrice = (product.price * (100 - product.discount) / 100).toFixed(2);

+ 9 other calls in file

seed.js

GitHub: hvats555/uptechunt_api

261
262
263
264
265
266
267
268
269
270
    id: sampledFreelancer._id,
    name: user.firstName,
  },

  body: faker.lorem.sentences(35),
  rating: faker.datatype.number(5),
};

let clientReview = new ClientReview(reviewBody);
await clientReview.save();

+ 7 other calls in file

main.js

GitHub: wivwiv/iot-simulator

215
216
217
218
219
220
221
222
223
224
return {
  vin: faker.vehicle.vin(),
  speed: faker.datatype.number({ min: 0, max: 160 }),
  odometer: faker.datatype.number({ min: 0, max: 99999 }),
  soc: faker.datatype.number({ min: 0, max: 100 }),
  elevation: faker.datatype.number({ min: -50, max: 5000 }),
  heading: faker.datatype.number({ min: 0, max: 360 }),
  accuracy: faker.datatype.number({ min: 0, max: 50 }),
  power: faker.datatype.number({ min: 0, max: 200 }),
  shift_state: faker.random.arrayElement(['D', 'P', 'R', 'N']),

+ 23 other calls in file

index.js

GitHub: Rodrigocleyton/Test-TDD-BDD-2

30
31
32
33
34
35
36
37
38
39
cars.push(car)

const customer = new Customer({
    id: faker.datatype.uuid(),
    name: faker.name.findName(),
    age: faker.datatype.number({min: 18 , max: 50})

})

customers.push(customer)

+ 7 other calls in file

Other functions in faker

Sorted by popularity

faker.random is the most popular function in faker (1352 examples)

Other popular packages:

Home

About