JoostKiens

define(function () {

  'use strict';

  function removeItem(itemKey) {
    localStorage.removeItem(itemKey);
  }

  function getItem(itemKey) {
    return JSON.parse(localStorage.getItem(itemKey));

JoostKiens

[
  {
    "from": {
      "pos": [
        153.43916,
        -29.50063
      ],
      "time": "2021-10-03 07:26:23"
    },
    "to": {

JoostKiens

// Based on http://stackoverflow.com/a/20434019

function calculateAccuracy(txPower, rssi) {
  if (rssi === 0) {
    return -1; // if we cannot determine accuracy, return -1.
  }

  var ratio = rssi * 1 / txPower;
  if (ratio < 1.0) {
    return Math.pow(ratio, 10);

JoostKiens

const target = window 
let lastY = 0

target.addEventListener('touchmove', handleTouchMove)

function handleTouchMove(e) {
  const { pageY } = e.changedTouches[0]
  const scrollY = target.pageYOffset || target.scrollTop || 0
  if (pageY > lastY && scrollY === 0) {
    e.preventDefault()

JoostKiens

import React from 'react'

const ScrollContext = React.createContext(null)

export function useScroll() {
  const scroll = React.useContext(ScrollContext)

  if (!scroll)
    throw new Error('Please make sure ScrollContextProvider is available')
  return scroll

JoostKiens

import React from 'react'
import Cookies from 'js-cookie'

const CookiesContext = React.createContext(null)

export function useCookies() {
  const cookies = React.useContext(CookiesContext)
  if (!cookies)
    throw new Error('Please make sure CookiesContextProvider is available')
  return cookies

JoostKiens

<?php
/**
 * Improves the WordPress caption shortcode with HTML5 figure & figcaption, microdata & wai-aria attributes
 *
 * Author: @joostkiens
 * Licensed under the MIT license
 *
 * @param  string $val     Empty
 * @param  array  $attr    Shortcode attributes
 * @param  string $content Shortcode content

JoostKiens

const createUVWGrid = ([cx, cy, cz]) => {
  return times(cx).map(x => times(cy).map((y) => times(cz).map(z =>
    new THREE.Vector3(
      cx <= 1 ? 0.5 : x / (cx - 1), 
      cy <= 1 ? 0.5 : y / (cy - 1),
      cz <= 1 ? 0.5 : z / (cz - 1)
    )
  ))).flat(2)
}

JoostKiens

/*
Options
---
{
  from: 1,                              // <Number> start number, default: 0
  to: 100,                              // <Number> end number, required
  duration: 1000,                       // <Number> total duration on transition, required
  step: console.log,                    // <Function> function to execute on each update, receives current number as argument, required
  ease: x => x,                         // <Function> custom easing function, default: linear
  tick: fn => window.setTimeout(fn, 20) // <Function> ticker, default: requestAnimationFrame

JoostKiens

function autoplayVideoSupported(muted = true, playsinline = true) {
  const v = document.createElement('video')
  v.muted = muted
  playsinline && v.setAttribute('playsinline', 'playsinline')
  v.setAttribute('width', 0)
  v.setAttribute('height', 0)
  v.style.opacity = 0
  document.querySelector('body').appendChild(v)
  return new Promise((resolve, reject) => {
    v.play()