Andrey Kucherenko kucherenko

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kucherenko / compose.js

Created January 13, 2021 11:31

	// Compose functions from right to left
	const compose = (...fns) => x => fns.reduceRight((y, f) => f(y), x);

	// Example
	const lowercase = str => str.toLowerCase();
	const capitalize = str => `${str.charAt(0).toUpperCase()}${str.slice(1)}`;
	const reverse = str => str.split('').reverse().join('');

	const fn = compose(reverse, capitalize, lowercase);

kucherenko / curry.js

Created January 13, 2021 11:20


	const curry = (fn, ...args) => {
	return fn.length <= args.length ? fn(...args) : curry.bind(null, fn, ...args);
	}

	// Example
	const sum = (a, b, c) => a + b + c;

	curry(sum)(3)(4)(5); // 12
	curry(sum)(3, 4, 5); // 12

kucherenko / strings-utils.js

Created December 7, 2020 11:20

	const slugify = string => string.toLowerCase().replace(/\s+/g, '-').replace(/[^\w-]+/g, '');

	const kebabToCamel = str => str.replace(/-./g, m => m.toUpperCase()[1]);

	const camelToKebab = str => str.replace(/([a-z0-9])([A-Z])/g, '$1-$2').toLowerCase();

	const toPascalCase = str => (str.match(/[a-zA-Z0-9]+/g) \|\| [])
	.map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join('');

	// Examples

kucherenko / random.js

Created December 7, 2020 10:04

	// generate random string
	const generateString =
	(length, chars) => Array(length)
	.fill('')
	.map((v) => chars[Math.floor(Math.random() * chars.length)])
	.join('');

	// Example
	generateString(10, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');

kucherenko / bootstrap.js

Created February 12, 2014 15:01

Testing enviropment for sinon and jquery ajax

kucherenko / mocha.html

Created August 8, 2013 07:08

Mocha in browser

	<html>
	<head>
	<meta charset="utf-8">
	<title>Mocha Tests</title>
	<link rel="stylesheet" href="lib/mocha/mocha.css" />
	<script src="lib/coffee-script.js"></script>
	</head>
	<body>
	<div id="mocha"></div>
	<script src="lib/mocha/mocha.js"></script>

kucherenko / package.json

Created August 8, 2013 05:28

package.json with sinon support

	{
	"name": "coffee-examples",
	"version": "0.0.1",
	"scripts": {
	"test": "./node_modules/.bin/mocha --compilers coffee:coffee-script"
	},
	"dependencies": {
	"coffee-script": "*",
	"mocha": "*",
	"chai": "*",

kucherenko / coffee.html

Created August 8, 2013 05:13

HTML file with CoffeeScript support

	<!DOCTYPE html>
	<html>
	<head>
	<title>CoffeeScript Examples</title>
	<script src="http://coffeescript.org/extras/coffee-script.js" type="text/javascript"></script>
	<script type="text/coffeescript">
	class A
	constructor: ->
	alert "Hello CoffeeScript"
	a = new A

kucherenko / index.html

Last active December 20, 2015 17:49

installation test enviropment for coffescipt

	{
	"name": "coffee-examples",
	"version": "0.0.1",
	"scripts": {
	"test": "./node_modules/.bin/mocha --compilers coffee:coffee-script"
	},
	"dependencies": {
	"coffee-script": "*",
	"mocha": "*",
	"chai": "*"