slugbyte

401 backend project week

before you start building out your API

• create a repo
• add a package.js, .gitiginroe, .travis.yml, test/dummy-test.js
• setup a github repo and add team mates as colaborators
• enable travis
• In the repo settings, make the master branch a protected branch
• Require pull request reviews before merging
• Require review from Code Owners

slugbyte

// great for perioticly limiting events
throttle = (fn, ms) => {
  let ready = true;
  return (...args) => {
    if(ready){
      ready = false
      setTimeout(() => ready = true, ms)
      return fn(...args)
    }
  }

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fs = require('fs');

promisify = fn => (...args) => 
  new Promise((resolve, reject) => 
    fn(...args, (err, data) => err ? reject(err) : resolve(data)))

filePath = process.argv[2]
promisify(fs.readFile)(filePath)
.then(buf => console.log(buf.toString()))
.catch(console.error)

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fileToDataURL = (file) => {

    return new Promise((resolve, reject) => {
      let reader = new FileReader()
      reader.addEventListener('error', reject)
      reader.addEventListener('load', () => {
        resolve(reader.result)
      })

      if(file)

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factory = (props, methods, proxy) => new Proxy(Object.assign(Object.create(methods), props), proxy)

DLL = (value, next=null) => {
  let props = {value, next, prev: null}
  let methods = {
    map: function (cb) {
       let result = DLL(null)
       let current = this
	   let i=0
       while(current){

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'use strict'

factory = (props, methods, proxy) => new Proxy(Object.assign(Object.create(methods), props), proxy)

// helper used with reducers
cleanHead = (node) => (node.prev = null) || node

DLL = (value, next=null) => {
  let props = {value, next, prev: null}
  let methods = {

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// paste this in the console on jquery.com to tests

redditFetch = (title) =>  $.getJSON(`https://www.reddit.com/r/${title}.json`)

reddit = new Proxy({}, {
  get: (obj, prop) => redditFetch(prop).then(res => res.data)
})

// reddit.(anyredditpage).then(callback)
reddit.programming.then(console.log)

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Week	Sudent	teacher
Week 6A	ipsum	todo mvc
Week 6B	kanban	budget tracker
Week 7	audio/video gallery	photo gallery
Week 8	travel blog	craislist
Week 9	slugcaht	??

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// extendy is a higher-order frunction that wraps to constructors 
// and allows b to "inherit" from a
extendy = (a) => ( b) => (opts={}) => Object.assign({}, a(opts.super || {}), b(opts))
​
// create a cow "constructor"
cow = (opts={}) => ({utters: opts.utters || 4, milk: () => "got milk?"})
​
// create a stawbery cow "constructor" that extends cow
strawbery = extendy(cow)((opts={}) => ({flavor: 'strawbery', expires: opts.expires || 'tomorrow'}))
​

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var cool = prompt('are you cool');

alert('you are cool:' + cool);