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rangen
TypeScript icon, indicating that this package has built-in type declarations

1.0.0 • Public • Published

rangen

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Angular Style Guide

RanGen is a library for generating different types of data.

Features

Demo

http://otelnov.github.io/rangen/

Installing

Using npm:

$ npm install rangen

Usage

Node.js

const rg = require('rangen');
rg.id(); // RhyDMHO

Browser:

<!DOCTYPE html>
<html>
  <head lang="en">
    <meta charset="UTF-8">
    <title>rangen</title>
    <script src="build/rangen.bundle.js"></script> 
  </head>
  <body>
    <script>
      alert(rangen.id());
    </script> 
  </body>
</html>
 

Typescript

import { id } from 'rangen';
 
id(); // RhyDMHO

Methods

id( params?: Object | number )

Generate random string, using one of the character set listed below or providing your own with str key.

Character sets:

  1. num - '0123456789'
  2. alpha - 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
  3. sym - '_-~!@#$%^&*()|}{?></'
  4. alphanum - 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
  5. all - 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-~!@#$%^&*()|}{?></'
import { id } from 'rangen';
 
const newId = id(); // W6hOC2N
const password = id({length: 12, charSet: 'all'}); // f5HK7-s$Q2$#
const _id = id(9); // df9HN5rf3
params default value
length (optional) 7
charSet (optional) 'alphanum'
str (optional)

num( min?: number, max?: number )

Generate random number in specific range.

import { num } from 'rangen';
 
const newNum = num(); // 864
param default value
min (optional) 0
max (optional) 9999

float( min?: number, max?: number, fixed?: number, str?: boolean )

Generate random floating-point number in specific range.

import { float } from 'rangen';
 
float(); // 0.9529138279087489
 
float(
  4, // from
  5, // to
  3, // round to a set number of decimal places,
  true // return string (if you want to keep 00 e.g.)
);
// '4.830'
param default value
min (optional) 0
max (optional) 1
fixed (optional)
str (optional) false

bool( trueProbability?: number )

Return random boolean value ( true / false ).

import { bool } from 'rangen';
 
const boolean = bool(); //true
 

trueProbability is an optional param if you want to control probability of returned value.

bool(0) will never return true

bool(100) will always return true

bool(30) will return true in about 30% of cases...

random( array: any[] )

Get random array element.

import { random } from 'rangen';
 
const randomFruit = random(['banana', 'apple', 'orange']); // apple

user( params?: UserParams )

Generate random user data

import { user } from 'rangen';
 
const testUser = user();

The following parameters can be passed:

UserParams {
  count?: number; // default 1
  gender?: 'male' | 'female' | 'any'; // default any
  minAge?: number; // default 18
  maxAge?: number; // default 55
}

Results:

[
  {
    "gender": "male",
    "name": {
      "title": "mr",
      "first": "Jerome",
      "last": "Guzman"
    },
    "email": "jerome.guzman@example.com",
    "age": 52,
    "dob": "1965-03-06T22:00:00.000Z",
    "registered": "2017-04-27T10:34:22.885Z",
    "phone": "801-345-7850",
    "id": "IXvQ2rg"
  }
]
 

image( params?: ImageParams ):Promise

Generate set of photos provided by https://500px.com.

Please check 500px terms before using.

import { image } from 'rangen';
 
image();

You can pass native 500px parameters. Check 500px API for more details.

image({
  image_size: 600, // Image size. Default - 2
  rpp: 2, // Number of images. Default - 20
  feature: 'highest_rated', // Photo stream to be retrieved. Default - 'popular'
  only: 'Animals' // Name of the category to return photos from
  // ...
}).then();

Results:

[{
  "id": 105106007,
  "user_id": 1913159,
  "name": "Fight between rainbows",
  "description": null,
  "camera": "Canon EOS 7D",
  "lens": "EF400mm f/2.8L IS USM",
  "focal_length": "400",
  "iso": "200",
  "shutter_speed": "1/3200",
  "aperture": "2.8",
  "times_viewed": 29268,
  "rating": 75,
  "status": 1,
  "created_at": "2015-04-15T10:48:37-04:00",
  "category": 11,
  "location": null,
  "latitude": null,
  "longitude": null,
  "taken_at": "2013-05-26T15:16:02-04:00",
  "hi_res_uploaded": 0,
  "for_sale": false,
  "width": 4308,
  "height": 2872,
  "votes_count": 2311,
  "favorites_count": 1480,
  "comments_count": 190,
  "nsfw": false,
  "sales_count": 0,
  "for_sale_date": null,
  "highest_rating": 99.9,
  "highest_rating_date": "2015-04-16T08:44:17-04:00",
  "license_type": 0,
  "converted": 27,
  "collections_count": 0,
  "crop_version": 6,
  "privacy": false,
  "image_url": "https://drscdn.500px.org/photo/105106007/w%3D600_h%3D600/ef557d0965a18ce8a04d612ed7c884bc?v=6",
  "images": [{
    "size": 600,
    "url": "https://drscdn.500px.org/photo/105106007/w%3D600_h%3D600/ef557d0965a18ce8a04d612ed7c884bc?v=6",
    "https_url": "https://drscdn.500px.org/photo/105106007/w%3D600_h%3D600/ef557d0965a18ce8a04d612ed7c884bc?v=6",
    "format": "jpeg"
  }],
  "url": "/photo/105106007/fight-between-rainbows-by-marco-redaelli",
  "positive_votes_count": 2311,
  "converted_bits": 27,
  "image_format": "jpeg",
  "user": {
    "id": 1913159,
    "username": "MarcoRedaelli",
    "firstname": "Marco",
    "lastname": "Redaelli",
    "city": "Busnago",
    "country": "Italy",
    "usertype": 0,
    "fullname": "Marco Redaelli",
    "userpic_url": "https://pacdn.500px.org/1913159/e190e848e7e54255510dc1fd1518bc935328c7b1/1.jpg?5",
    "userpic_https_url": "https://pacdn.500px.org/1913159/e190e848e7e54255510dc1fd1518bc935328c7b1/1.jpg?5",
    "cover_url": "https://pacdn.500px.org/1913159/e190e848e7e54255510dc1fd1518bc935328c7b1/cover_2048.jpg?12",
    "upgrade_status": 0,
    "store_on": true,
    "affection": 233267
  }
}, ...]

lorem( params?: LoremParams | number )

Generate lorem ipsum text. Takes words number or obj as params.

import { lorem } from 'rangen';
 
lorem(5); // Ut incididunt elit eu ad.
lorem({sentences: 2, words: 4}); // ['Consectetur id do nulla.', 'Consectetur dolor id consectetur.']
lorem({sentences: 3, words: 6}).join(' '); // Ad commodo excepteur sed cillum in. Voluptate sed exercitation cupidatat est ex. Consequat eiusmod voluptate excepteur sunt elit.
param default value
words (optional) 10
sentences (optional) 1

thumb( params?: ThumbParams )

Create thumbnails with specific size, color and text.

import { thumb } from 'rangen';
 
// by default will return base64 hash generated with canvas.
thumb();
 
// set svg: true and selector: 'your-css-selector' // to generate svg
thumb({
  svg: true,
  selector: '#thumbnail',
  width: 300,
  bgColor: 'red',
  text: 'rangen',
  textColor: '#fff'
});
 
 

param default value
width (optional) 100
height (optional) 100
bgColor (optional) #eee
textColor (optional) #555
borderColor (optional) #555
text (optional) {width}x{height}
fontSize (optional) depends on block size
svg (optional) false
selector (optional)

avatar( params?: AvatarParams )

Generate github-like avatars.

import { avatar } from 'rangen';
 
avatar();
avatar({ size: 5, colors: ['yellow', 'blue'] });

param description default value
width (optional) 300
height (optional) 300
size (optional) matrix size 3
colors (optional) ['#0A7B83', '#2AA876', '#FFD265', '#F19C65', '#CE4D45']

Todo:

  • Update lorem() to generate natural text using sentiment analysis
  • Update avatar() with real faces
  • Add more fields to user data, like location
  • Generate random color
  • Poker cards
  • Random time / date (for now you can use several of random nums)

Contributing

Contributions are very much welcome.

Readme

Keywords

Package Sidebar

Install

npm i rangen

Repository

github.com/otelnov/rangen

Homepage

github.com/otelnov/rangen

Weekly Downloads

58

Version

1.0.0

License

MIT

Last publish

Collaborators

  • otelnov
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