NetanelBasal

class Person { 

  
  @storage() public name: string;
  @storage('sur', 'session') public surname: string;

  constructor(name : string, surname : string) { 
    this.name = name;
    this.surname = surname;
  }

NetanelBasal

import { select } from 'ng2-redux';
@Component({
  template: '   
   <nav>
   <ul>
      <li *ngIf="!(isLoggedIn$ | async)">Sign in</li>
      <li *ngIf="!(isLoggedIn$ | async)">Sign up</li>
      <li *ngIf="(isLoggedIn$ | async)">Log out</li>
   </ul>
  </nav>     

NetanelBasal

import { Directive, Input } from '@angular/core';
import { TemplateRef, ViewContainerRef } from '@angular/core';
import { select } from "ng2-redux";
import { Observable } from "rxjs";

@Directive({selector: '[showIfLoggedIn]'})

export class ShowIfLoggedInDirective {
  subscription;
  @Input('showIfLoggedIn') renderTemplate; 

NetanelBasal

<p *ngIf="condition">
  Hello, world!
</p>

That turns into this:
<template [ngIf]="condition">
  <p>
    Hello, world!
  </p>
</template>

NetanelBasal

<monster-details *showIfLoggedIn="true"></monster-details>
<nav>
   <ul>
      <li *showIfLoggedIn="false">Sign in</li>
      <li *showIfLoggedIn="false">Sign up</li>
      <li *showIfLoggedIn="true">Log out</li>
   </ul>
</nav>

NetanelBasal

import { Directive, forwardRef } from "@angular/core";
import { NG_ASYNC_VALIDATORS, Validator, AbstractControl } from "@angular/forms";
import { Observable } from "rxjs";
@Directive({
  selector: "[asyncValidator][formControlName], [asyncValidator][ngModel]",
  providers: [
    {
      provide: NG_ASYNC_VALIDATORS,
      useExisting: forwardRef(() => AsyncValidator), multi: true
    }

NetanelBasal

export default class AsyncValidator implements Validator {
}

NetanelBasal

validate( c : AbstractControl ) : Promise<{[key : string] : any}>|Observable<{[key : string] : any}> {
   
 }

NetanelBasal

validateUniqueEmailPromise( email : string ) {
    return new Promise(resolve => {
      setTimeout(() => {
        if( email === "alreadyExistsEmail@gmail.com" ) {
          resolve({
            asyncInvalid: true
          })
        } else {
          resolve(null);
        }

NetanelBasal

validate( c : AbstractControl )  {
   return this.validateUniqueEmailPromise(c.value);
}