agm1984

// collect a haystack
const countries = [
    'Afghanistan',
    'Åland Islands',
    'Albania',
    'Algeria',
    'American Samoa',
    'Andorra',
    'Angola',
    'Anguilla',

agm1984

const poop = ['one', 'two', 'three', 'four', 'five']

// I always use `acc` and `item` by default
// acc is the thing being accumulated
// item is each item in `poop`

// basic idea: this will do nothing,
// add some console.logs in here and study the behaviour
// look at the example below that uses `i` and add it here with console.log
const ultraBasic = poop.reduce((acc, item) => {

agm1984

const data = [
  { first: 'David', last: 'Goldstein', age: 92 },
  { first: 'Tom', last: 'Stamper', age: 23 },
  { first: 'Sally', last: 'Brunswick', age: 76 },
  { first: 'Steve', last: 'Henderson', age: 37 },
  { first: 'Mark', last: 'Chopper', age: 75 },
  { first: 'Lucy', last: 'Steel', age: 29 },
]

// localeCompare is a String prototype:

agm1984

const showTimeElapsed = (timestamp) => {
  if (typeof timestamp !== 'number') return 'NaN'

  const SECOND = 1000
  const MINUTE = SECOND * 60
  const HOUR = MINUTE * 60
  const DAY = HOUR * 24
  const MONTH = DAY * 30
  const YEAR = MONTH * 12

agm1984

// First we are creating or getting some users and placing them in `users`
const users = [
  { name: 'Bob' },
  { name: 'Alice' },
]

// Then we are creating a config object that we could pass around as needed
// Notice we are using shorthand `users` instead of `users: users`
const config = {
  appOwner: 'INSERT_YOUR_NAME',

agm1984

{
    "env": {
        "browser": true,
        "es6": true,
        "node": true
    },
     "parserOptions": {
         "parser": "babel-eslint"
     },
    "extends": [

agm1984

const axios = require('axios')

const followIDs = async (next) => {
  if (next) {
    const nextRes = await axios({
      method: 'get',
      url: next,
      responseType: 'json'
    })
    if (nextRes.data.message) {

agm1984

{
    "env": {
        "node": true,
        "browser": true,
        "es6": true
    },
    "parser": "babel-eslint",
    "extends": "airbnb",
    "parserOptions": {
        "ecmaFeatures": {

agm1984

// INCLUDING AWAIT DELEGATES TO PARENT
const dontBubbleUp = async () => {
  const samplerPack = async () => {
    throw new Error('BAD')
  }
  try {
    return await samplerPack()
  } catch (e) {
    throw new Error('handling rejection upstream in parent')
  }

agm1984

import React, { Component } from 'react'
import * as THREE from 'three'
// import * as OBJLoader from 'three-obj-loader'
// import MTLLoader from 'three-react-mtl-loader'
// import OBJLoader from 'three-react-obj-loader'

// const loader = require('three-json-loader')(THREE)
const OrbitControls = require('three-orbit-controls')(THREE)
// OrbitControls: for Camera