JS Random Urn Draw

A simple js-class to put an array into an urn and draw random items from it - with or without replacement.

Installation

Download this project via Github and add it manually to your project or install the JSON File Storage npm / yarn package:

npm i js-random-urn-draw / yarn add js-random-urn-draw

How to Use / API

 
const Urn = require('js-random-urn-draw'); // adjust the require path, if not installed via npm/yarn
 
 
const items = ["🍏", "🍒", "🍌"];
 
 
// urn WITH replacement
const urn = new Urn(items);
 
urn.drawOne(); // "🍌"
urn.draw(5); // ["🍒", "🍏", "🍒", "🍌", "🍌"]
 
urn.shake(); // ["🍌", "🍏", "🍒"]
 
 
// urn WITHOUT replacement
const urn_without = new Urn(items, false);
 
urn_without.drawOne(); // "🍌"
urn_without.content; // ["🍏", "🍒"]
urn_without.extractedContent; // ["🍌"]
 
urn.draw(5); //  ["🍏", "🍒"]
urn_without.content; // []
urn_without.extractedContent; // ["🍏", "🍒", "🍌"]
 

Donate

If you like the project and it saved you a while of coding, spend me a coffee (or all of your savings) to keep me motivated: paypal.me