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faux.js's Introduction

<typescript> <nicholasmordecai> <nicholasmordecai> code style: prettier npm Coverage Status

faux.js

Modern performant pseudo random data generator

Please note, this is still very early development and has not been tested in a production envirnoment!

Installing

$ npm i faux.js
# or
$ yarn add faux.js

Examples

Using Generators

Generators are individual functions that return pseudo random data.

Example 1: Create a random address

import { address } from 'faux.js';
const address = address();

/*
	{
	  country: 'United Kingdom',
	  county: 'Devon',
	  city: 'Birmingham',
	  street: 'Green Lane',
	  houseNumber: 'Red Stables',
	  postcode: 'VX53 8ZF'
	}
*/

For a full break down of all generators, click here.

Using Registers

Registers are kind of like factories. You can describe your object with built in, custom or inline functions to be group generators together for ease of use.

Example 1:

import { Register, address, rngInt } from  '../core/register';

const  user  = {
	address: address,
	age: () =>  rngInt({min: 18, max: 80})
};

const userRegister = new Register(user);

In order to generate a new user, you can call the build method on that register. Example 2a:

...
const newUser = userRegister.build();

/*
{
  address: {
    country: 'United Kingdom',
    county: 'Essex',
    city: 'Bristol',
    street: 'Kings Lane',
    houseNumber: 7,
    postcode: 'ET9 6WS'
  },
  age: 25
}
*/

Server

If you're developing on the frontend, or are performing API integrations then you may find it very useful to couple registers up with an API. It's a fast and east way to generate data and fetch it through a restful API.

Example 3.

import { Server } from 'faux.js';

const server = new Server();

// create registers
const userRegister = new Register(user);
const account = new Register(account);

// define routes
const routes = {
    '/user': userRegister,
	'/cart': cartRegister
};

server.run(routes);

Core Generators

Math

Name Description Type
rngInt random integer number
rngfloat random floating point number
normalDist random float with a normal distribution number
percent random float between 0 and 1 number
percentString percent but as a string eg: '45%' string

String Util

Name Description Type
fromFormat random string from format (ZZ99-99) string

Array Util

Name Description Type
rngFromArray pick a random element from an array elementType

Geographic

Name Description Type
postcode postcode or zipcode string
city the city string
county the county string
street the street string
houseNameNumber the house name or number string
address full address in object format IAddress
addressString full address represented as a string string

Contributing

Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.

  1. Fork it!
  2. Create your feature branch: git checkout -b feat/my-new-feature
  3. Add your changes: git add .
  4. Commit your changes: git commit -m 'Add some feature'
  5. Push to the branch: git push origin my-new-feature
  6. Submit a pull request ๐Ÿ˜Ž

Versioning

We use SemVer for versioning. For the versions available, see the tags on this repository.

Authors

  • Nicholas Mordecai

See also the list of contributors who participated in this project.

License

Apache 2.0 License ยฉ Nicholas Mordecai

=======

Notes To Self
  • If a nested structure is optional, a config should be set to allow that nested property to be or not to be generated

Need to write -

  1. an object can lookup the values of a parent object for conditional statements / branches
  2. you should be able to wrap any fn in a probability factor to determine one of multiple outcomes
  3. Override any value / property from a function generator

faux.js's People

Contributors

nicholasmordecai avatar dependabot[bot] avatar github-actions[bot] avatar

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