jack-guy

import {Injector} from 'angular2/core';

let appInjectorRef: Injector;
export const appInjector = (injector?: Injector):Injector => {
  if (injector) {
    appInjectorRef = injector;
  }
  return appInjectorRef;
};

jack-guy

import { Directive, ViewChild, Inject, ContentChildren, QueryList, ContentChild,
         ElementRef, Input, forwardRef, AfterViewInit, EventEmitter } from 'angular2/core';
import { Subject } from 'rxjs';

const imagesLoaded = require('imagesloaded');

@Directive({
  selector: '[masonry-item]',
  host: {
    '[style.position]': 'position',

jack-guy

// Type definitions for Feathers
// Project: http://feathersjs.com/
// Definitions by: Jack Guy <http://thatguyjackguy.com>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

import { Application, Handler, ErrorRequestHandler } from 'express';
type HandlerArgument = Handler | Handler[];

export = Feathers;

jack-guy

const iceCreamFlavors = ['vanilla', 'chocolate', 'strawberry'];
const iceCreamPrices = ['$5.50', '$5.75', '$6.00'];

let iceCreamFlavorToPrice;
for (let i = 0; i < iceCreamFlavors.length; i++) {
  iceCreamFlavorToPrice[iceCreamFlavors[i]] = iceCreamPrices[i];
}

jack-guy

import { from, zip } from 'rxjs';
import { scan } from 'rxjs/operators';

const iceCreamFlavors = ['vanilla', 'chocolate', 'strawberry'];
const iceCreamPrices = ['$5.50', '$5.75', '$6.00'];

const iceCreamFlavorToPrice$ = zip(
  from(iceCreamFlavors),
  from(iceCreamPrices),
).pipe(scan((prev, [flavor, price]) => {

jack-guy

function getIceCreamFlavorToPrice(flavors, prices) {
  let iceCreamFlavorToPrice;
  for (let i = 0; i < flavors.length; i++) {
    iceCreamFlavorToPrice[flavors[i]] = prices[i];
  }
  return iceCreamFlavorToPrice;
}

let iceCreamFlavors = ['vanilla', 'chocolate', 'strawberry'];
let iceCreamPrices = ['$5.50', '$5.75', '$6.00'];

jack-guy

import { from, fromEvent, zip } from 'rxjs';
import { scan } from 'rxjs/operators';

const initialIceCreamFlavors = ['vanilla', 'chocolate', 'strawberry'];
const initialIceCreamPrices = ['$5.50', '$5.75', '$6.00'];

const iceCreamFormSubmit$ = fromEvent(formEl, 'submit');
const iceCreamFormFlavors$ = iceCreamFormSubmit$.pipe((map(({flavor}) => flavor)));
const iceCreamFormPrices$ = iceCreamFormSubmit$.pipe((map(({price}) => price)));

jack-guy

function getIceCreamById (iceCreamId) {
  return fetch(`/icecream/${id}`);
}
const iceCreamIds = [4, 5, 10, 12];

// Slow, effectively synchronous
for (let iceCreamId of iceCreamIds) {
  console.log(await getIceCreamById(iceCreamId));
}

jack-guy

import { from, fromPromise } from 'rxjs';
const iceCreamIds = [4, 5, 10, 12];
from(iceCreamIds).pipe(
  flatMap((iceCreamId) => fromPromise(getIceCreamById(iceCreamId)))
).subscribe((iceCream) => {
  console.log(iceCream);
});

jack-guy

from(iceCreamIds).pipe(
  withLatestFrom(
    iceCreamAuth$,
    iceCreamPreferences$,
    iceCreamVendors$,
    iceCreamInventory$,
    iceCreamTemperature$,
  ),
  map(([