stefanmaric

/**
 * Create an new deferred promise that can be resolved/rejected from outside.
 * @return {Promise} A new Promise with two extra methods: resolve and reject.
 *
 * @example
 * const unknownResult = () => {
 *   const deferredPromise = defer()
 *
 *   const errorTimeoutId = setTimeout(
 *     () => {

stefanmaric

/**
 * @file one-liner functional utilities in JavaScript
 * @author Stefan Maric <[email protected]>
 * @license
 * Copyright © 2017 Stefan Maric <[email protected]>
 * This work is free. You can redistribute it and/or modify it under the
 * terms of the Do What The Fuck You Want To Public License, Version 2,
 * as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
 */

stefanmaric

/**
 * Gets the value at route of object.
 * Look at: https://lodash.com/docs/4.17.4#get
 *
 * @param  {Array|string} route The path of the property to get.
 * @param  {Object} obj The object to query.
 * @return {*} Resolved value, or undefined.
 */
function path (route, obj) {
  if (!Array.isArray(route)) return path(route.split('.'), obj)

stefanmaric

y-combinator

const y = le => (f => f(f))(f => le(x => f(f)(x)))

fib func that would theoretically take advantage of TCO

'use strict'
const fib = (n, a = 1, b = 0) => n ? fib(n - 1, a + b, a) : b

stefanmaric

'use strict'

function flatten (source, dest, separator, path) {
  dest = typeof dest !== 'undefined' ? dest : {}
  separator = typeof separator !== 'undefined' ? separator : '-'
  path = typeof path !== 'undefined' ? path : []

  for (var key in source) {
    if (!source.hasOwnProperty(key)) continue

stefanmaric

Copy-to-clipboard Bookmarklet

Create Bookmarklet (browser bookmark that executes Javsacript) to copy a given text to Clipboard.

This is the base javascript:

(function (text) {
  var node = document.createElement('textarea')
  var selection = document.getSelection()

stefanmaric

Articles

• https://medium.com/@kentcdodds/first-timers-only-78281ea47455#.4zdpfigcb

Platforms

• https://openhatch.org/
• https://www.codetriage.com/
• http://up-for-grabs.net/#/

stefanmaric

function deepDiffRight (left, right) {
  // if they are equals, return undefined
  if (angular.equals(left, right)) return
  // form now on, we can assure that `left` and `right` are not equals (equivalents)
  
  // if `left` and `right` are primitives, value changed
  // if `left` is a primitive and `right` an object, value has been replaced with an object
  // if `left` is an object and `right` a primitive, value has been replaced with a primitive
  // use `_.copy` to prevent object referrence issues
  if (!angular.isObject(left) || !angular.isObject(right)) return angular.copy(right)

stefanmaric

/* Open Sans - by Steve Matteson, Apache License version 2.0 */

/* Open Sans Light */
@font-face {
    font-family: 'Open Sans';
    src: url(data:application/font-woff;charset=utf-8;base64,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

stefanmaric

function areEquivalents (a, b) {
  if (a && b && typeof a === 'object' && typeof a === typeof b && a.length === b.length) {
    for (var prop in a) {
      if (a.hasOwnProperty(prop) && !areEquivalents(a[prop], b[prop])) {
        return false
      }
    }
    for (var prop in b) {
      if (b.hasOwnProperty(prop) && !areEquivalents(b[prop], a[prop])) {
        return false