ryankshaw

// Which of the 3 of these options is more readable / is easier to understand?

// OPTION 1: .forEach with .push
const subqueries = []
Object.entries(SPECIAL_SUBQUERY_FIELDS).forEach(([field, subquery]) => {
  if (fieldRequested(field, info))
    subqueries.push(`(${subquery} LIMIT 1) AS ${field}`)
})

// OPTION 2: .map with .filter

ryankshaw

type PickByValue<T, V> = Pick<
  T,
  { [K in keyof T]: T[K] extends V ? K : never }[keyof T]
>
type Entries<T> = {
  [K in keyof T]: [keyof PickByValue<T, T[K]>, T[K]]
}[keyof T][]

/**
 * A better Object.entries _BUT ONLY FOR OBJECTS YOU KNOW DON'T HAVE EXTRA PROPERTIES_,

ryankshaw

blueprint:
  name: Lamp Follows Swicth
  description: Turn on or aff a lamp every time a switch state changes
  domain: switch
  input:
    master_switch:
      name: the Master Switch
      description: This sensor will be synchronized with the light.
      selector:
        entity:

ryankshaw

function sum(...nums) {
  return nums.reduce((a, b) => a + b, 0)
}

function largestSum(array) {
  let largestSumSoFar
  for (let i = 0; i < array.length; i++) {
    for (let j = i; j < array.length; j++) {
      let subArray = array.slice(i, j + 1)
      let test = sum(...subArray)

ryankshaw

!(function(t) {
  var e = {};
  function n(r) {
    if (e[r]) return e[r].exports;
    var o = (e[r] = { i: r, l: !1, exports: {} });
    return t[r].call(o.exports, o, o.exports, n), (o.l = !0), o.exports;
  }
  (n.m = t),
    (n.c = e),
    (n.d = function(t, e, r) {

ryankshaw

var styles = {
  componentId: 'bavIU',
  template: function template(theme) {
    return "/* imported from styles.css */\n\n.bavIU_922a,a.bavIU_922a,button.bavIU_922a,button.bavIU_922a[type=button],button.bavIU_922a[type=reset],button.bavIU_922a[type=submit]{-moz-appearance:none;-moz-user-select:none;-ms-user-select:none;-webkit-appearance:none;-webkit-user-select:none;appearance:none;background:none;border-style:".concat(theme.borderStyle || 'none', ";border-width:").concat(theme.borderWidth || 'none', ";box-sizing:border-box;direction:inherit;display:inline-block;font-family:").concat(theme.fontFamily || 'none', ";font-weight:").concat(theme.fontWeight || 'none', ";height:auto;letter-spacing:").concat(theme.letterSpacing || 'none', ";margin:0;max-width:100%;overflow:visible;padding:0;position:relative;text-decoration:none;text-transform:").concat(theme.textTransform || 'none', ";touch-action:manipulation;transform:").concat(theme.transform || 'none', ";transition:background 0.2s,transform 0.2s;user-select:n

ryankshaw

// bad: manual binding in constructor
class Foo extends React.Component {

  // this is a lot of boilerplate that does not really give us any insight into
  // what we are intending to do with our code
  constructor(props) {
    super(props)
    this.updateCounter = this.updateCounter.bind(this)
    this.state = {
      counter:0

ryankshaw

function initCustomTinyMCEStuff (tinyMCE) {
  console.log('here is where you would run your callback that does custom tinyMCE stuff. in the case of your minified code, it is the function called "r"', tinyMCE)
}

//this will keep checking for the rceModule to be ready and call your
// callback that does all of your customizations once it is.
var waitForRCSServiceToBeReadyPollInterval = setInterval(function(){
  if (typeof RceModule === 'undefined') return
  initCustomTinyMCEStuff(tinyRCE)
  clearTimeout(waitForRCSServiceToBeReadyPollInterval);

ryankshaw

// if someone requires 'timezone', I want it to get this file
// and then based on some info in a global variable 'window.ENV'
// at runtime fetch a json file with a bunch of data specific to
// that timezone and then export the 'timezone' object, with
// that zone's data preloaded. in requireJS, I had a loader that
// looked something like this

// in timezone.js
define(['timezone_core'], function(timezone) {
  //see: http://requirejs.org/docs/plugins.html#apiload for the specifics of how this api works

ryankshaw

require 'net/http'
require 'uri'
require 'digest'

TEMP_DIR = '/tmp/customer_js_that_uses_require'

UNIQUE_JS_FILES = {}
def collect_js_urls
  Account.active.joins(:brand_config).find_each do |acct|
    url = acct.brand_config.try(:js_overrides)