fauxsaurus’s gists

fauxsaurus / asyncMap.js

Last active November 30, 2019 21:08

Run array map functions sequentially & asynchronously.

	const asyncMap=(arr,cb)=>arr.reduce(async (arr,...args)=>[...(await arr),await cb(...args)],[])
	const wait=async ms=>
	new Promise(res=>
	setTimeout(()=>
	{
	const newVal=ms+"ms";
	console.log(newVal);
	res(newVal);
	}, ms)
	)

fauxsaurus / curry.js

Last active October 13, 2018 16:18

one line curry function

const curry=(fn,...xs)=>xs.length>=fn.length?fn(...xs):(...ys)=>curry(fn,...xs,...ys)

fauxsaurus / callback2promise.js

Last active November 28, 2018 21:31

Callback to promise

	function callback2promise(func,...args)
	{
	return new Promise(function(res,rej)
	{
	func(...args,(err,data)=>err?rej(err):res(data))
	})
	}

fauxsaurus / center.css

Created December 3, 2018 21:49

Vertically & Horizontally centered text.

	.parent
	{
	align-items:center;
	display:flex;
	justify-content:center;
	}

fauxsaurus / wait.js

Created June 25, 2019 16:11

A simple wait/sleep command in JavaScript.

	await new Promise(done=>setTimeout(done,seconds*1000))
	//note: replace "seconds" with a number to use this
	//hint: this will only work inside an async function

fauxsaurus / colorblind-gradients.html

Last active May 26, 2021 02:58

A visual representation of different types of colorblindness & their affects on color gradients (filters adapted from this awesome repo at https://github.com/oftheheadland/Colorblindly).

	<!Doctype html>
	<style>
	div
	{
	background:linear-gradient(to right,
	#f00 0%,
	#ff0 16.66%,
	#0f0 33.33%,
	#0ff 50%,
	#00f 66.66%,

fauxsaurus / hue-gradient.css

Created November 30, 2019 23:26

	.hue-gradient
	{
	background:linear-gradient(to right,
	#f00 0%,
	#ff0 16.66%,
	#0f0 33.33%,
	#0ff 50%,
	#00f 66.66%,
	#f0f 83.33%,
	#f00 100%

fauxsaurus / space-case.js

Created January 24, 2020 01:27

Convert PascalCase, camelCase, snake_case, & kebab-case into "space case".

	export const spaceCase = txtWithNoSpaces =>
	txtWithNoSpaces
	.split(/_\|-/g) // snake_case & kebab-case
	.join(' ')
	.replace(/([A-Z])/g, ' $1') // PascalCase & camelCase
	.split(' ')
	.map(word => word.charAt(0).toUpperCase() + word.slice(1))
	.join(' ')
	.replace(/\s+/, ' ') // dashed entries create two spaces, bump that down to one
	.replace(/([A-Z])\s(?=[A-Z]\b)/g, '$1') // e.g. "U U I D" => "UUID"

fauxsaurus / ascii-wave.txt

Created February 18, 2020 17:23

	/\
	_\/_/
	/ /
	/\
	/ /

fauxsaurus / use-vector.ts

Created December 5, 2020 16:10

	import {useState} from 'react';

	export const useVector = <T>(initialValue: T, arity = 3) => {
	const [vector, setVector] = useState<T[]>([...Array(arity)].fill(initialValue));
	const updateVector = (newValue: T) => setVector([newValue].concat(vector.slice(1)));
	return [vector, updateVector] as const;
	};