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/*
  LinkedList
  
  Name your class / constructor (something you can call new on) LinkedList
  
  LinkedList is made by making nodes that have two properties, the value that's being stored and a pointer to
  the next node in the list. The LinkedList then keep track of the head and usually the tail (I would suggest
  keeping track of the tail because it makes pop really easy.) As you may have notice, the unit tests are the
  same as the ArrayList; the interface of the two are exactly the same and should make no difference to the
  consumer of the data structure.

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import React from 'react';
import { Field, reduxForm } from 'redux-form';
import { connect } from 'react-redux';
import TextField from 'material-ui/TextField';
import FlatButton from 'material-ui/FlatButton';

import * as actions from '../../actions/itnItems.actions';

import './quotedPriceForm.css';

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import React from 'react';
import { shallow } from 'enzyme';
import preload from '../../data.json';
import ShowCard from '../ShowCard';

test('search should render correct amount of shows', () => {
  const component = shallow(<Search />);
  expect(component.find(ShowCard.length)).toEqual(preload.shows.length));
});

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https://medium.com/@ekeyur/bluebirds-map-and-mapseries-explained-by-cooking-pasta-7dd03a19ea61

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// through iteration - my initial attempt
class Tree {
  constructor() {
    this.root = null;
  }
  
  add(value) {
    const newNode = new Node(value);
    if (!this.root) this.root = newNode;
    else{

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// Apex controller
public with sharing class ListRacesController {
  @AuraEnabled
  public static List<Race__c> getRacesDB() {
    return [SELECT Id, Name, DateTime__c FROM Race__c];
  }
}

// helper function
({

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// Aggregate query for non-null Social Id Field
// In this case we query all contactsfor social custom fields and group them by accountId

List<AggregateResult> totals = 
  [SELECT AccountId,
          count(twitterId__c) twits,
          count(FacebookID__c) likes,
          count(linkedInID__c) Links,
     FROM Contact
    WHERE AccountID IN :mapToAccounts.keyset()

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// we have seen the ListPage component, but it isn't containing anything yet. It would be nice to have a preview component for every Pokemon in our Pokedex that switches to a detailed view whenever we click on it.

export default Relay.createContainer(
  PokemonPreview,
  {
    fragments: {
      pokemon: () => Relay.QL`
        fragment on Pokemon {
          id
          name

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Problems with Rest API
  - no idea the data structure from the api
  - too many network apis /proprietory api - baking api into applications for react native and needs to deploy each version api endpoint for each version app api/v1/user, api/v2/user...etc

// ---------------------------------------------
// GraphQL Server

- query language for both client and server
- client specified queries not api request
  1. Exposes a single endpoint

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// mkdir server
// dependencies
// npm install --save express mongoose morgan body-parser nodemon bcrypt-nodejs jwt-simple passport passport-jwt cors
  - express 
  - mongoose 
  - morgan 
  - body-parse
  - nodemon
  - bcrypt
  - jwt-simple