KhalilZaidoun

// Timeout Promise wrapper
export default function timeoutPromise(timeout, err, promise) {
  return new Promise(function(resolve,reject) {
    promise.then(resolve,reject);
    setTimeout(reject.bind(null,err), timeout);
  });
}


/*

KhalilZaidoun

/**
 *
 * @param items An array of items.
 * @param fn A function that accepts an item from the array and returns a promise.
 * @returns {Promise}
 */
export default function forEachPromise(items = [], fn =  Promise.resolve) {
  return items.reduce(
    (promise, item) => promise.then(() => fn(item)),
    Promise.resolve()

KhalilZaidoun

import styled from 'styled-components';

const Toggle = styled.input`
  -moz-appearance: none;
  -webkit-appearance: none;
  -o-appearance: none;
  position: relative;
  height: 20px;
  width: 40px;
  border-radius: 10px;

KhalilZaidoun

import indexedDB from './indexedDB'

if (!indexedDB) {
  // console.log("Your browser does not support a stable version of IndexedDB. Some features will not be available.")
}

const DATABASE_NAME = 'db_name';
const READ_WRITE_PERMISSION = 'readwrite';

KhalilZaidoun

// https://stackoverflow.com/a/26227662
const singleton = Symbol();
const singletonEnforcer = Symbol()

class SingletonClass {

  constructor(enforcer) {
    if(enforcer != singletonEnforcer) throw "Cannot construct singleton";
  }

KhalilZaidoun

const elements = [
  'animate',
  'circle',
  'defs',
  'ellipse',
  'g',
  'line',
  'linearGradient',
  'mask',
  'path',

KhalilZaidoun

import { css } from 'styled-components';

const sizes = {
  big: 1600,
  desktop: 1024,
  laptop: 768,
  tablet: 430,
};

// taken from: https://github.com/styled-components/styled-components/blob/master/docs/tips-and-tricks.md#media-templates

KhalilZaidoun

/**
 * Checks if the passed element is dom object or not
 * @param element
 * @returns {boolean}
 */
function isDomElement(element) {
  return element && typeof element === 'object' && 'nodeType' in element;
};